1.
Post-treatment home care instructions for electrology patients should include a recommendation?
Correct Answer
B. Stay out of the sun for several days
Explanation
Electrology involves the removal of hair using electric current. After the treatment, it is important for patients to stay out of the sun for several days. This is because exposure to sunlight can irritate the treated area and potentially cause complications such as hyperpigmentation or increased sensitivity. By avoiding the sun, the skin can heal properly and reduce the risk of any adverse reactions.
2.
Which of the following should be suspected in a patient who presents with obesity, red or purple striae, "moon face" and dowager's hump?
Correct Answer
B. Cushing's syndrome
Explanation
Cushing's syndrome should be suspected in a patient who presents with obesity, red or purple striae, "moon face" and dowager's hump. Cushing's syndrome is a condition caused by prolonged exposure to high levels of cortisol, a hormone produced by the adrenal glands. This excessive cortisol production can lead to weight gain, particularly in the abdominal area, resulting in obesity. The red or purple striae, also known as stretch marks, can occur due to the weakening of the skin's connective tissue. "Moon face" refers to the round and puffy appearance of the face, which can be a result of fluid retention. Dowager's hump is a term used to describe an abnormal curvature of the upper spine, which can be caused by the loss of bone density.
3.
Sun exposure and tanning decreases the efficiency of the treatment with the Alexandrite laser and increases the risk of complications such as?
Correct Answer
B. Hyperpigmentation
Explanation
Sun exposure and tanning can cause hyperpigmentation, which is an increase in the production of melanin in the skin. This can lead to dark spots or patches on the skin. When undergoing treatment with the Alexandrite laser, which is commonly used for hair removal or skin rejuvenation, it is important to avoid sun exposure and tanning because it can decrease the effectiveness of the laser treatment and increase the risk of complications such as hyperpigmentation. Therefore, hyperpigmentation is a potential consequence of sun exposure and tanning during Alexandrite laser treatment.
4.
Which type of diabetes is always insulin-dependent?
Correct Answer
A. Type I
Explanation
Type I diabetes, also known as insulin-dependent diabetes, is a chronic condition in which the pancreas produces little to no insulin. This means that individuals with Type I diabetes always require insulin to manage their blood sugar levels. Unlike Type II diabetes, which can sometimes be managed with diet and exercise alone or with oral medications, Type I diabetes always necessitates insulin therapy. Type III and Type IV diabetes are not recognized medical classifications, making them incorrect options.
5.
Treatment of African-American patients requires extra caution because their skin is more likely to?
Correct Answer
C. Develop Keloids, hypopigmentation, or hyperpigmentation
Explanation
African-American patients are more likely to develop keloids, hypopigmentation, or hyperpigmentation. Keloids are raised scars that are more common in individuals with darker skin tones. Hypopigmentation refers to areas of the skin that have lost color, while hyperpigmentation refers to areas that have darkened. These skin conditions can occur as a result of injury, inflammation, or certain medical treatments. African-American patients may be more prone to these conditions due to differences in their skin structure and melanin production. It is important for healthcare professionals to be aware of these potential risks and take extra caution when treating African-American patients.
6.
Differences in sexual hair patterns between males and females are due to?
Correct Answer
B. Androgens
Explanation
Androgens are responsible for the differences in sexual hair patterns between males and females. Androgens are male sex hormones, such as testosterone, that stimulate the growth of facial hair, body hair, and other secondary sexual characteristics in males. In females, the levels of androgens are typically lower, resulting in less hair growth in these areas. Therefore, the presence or absence of androgens plays a significant role in determining the sexual hair patterns between males and females.
7.
If an African-American male patient presents with pseudofolliculitis barbae with numerous pustules and evidence of secondary infection, the electrologist should?
Correct Answer
C. Refer the patient to a pHysician
Explanation
The correct answer is to refer the patient to a physician. Pseudofolliculitis barbae is a condition commonly experienced by individuals with curly hair, particularly African-Americans, where hair grows back into the skin causing inflammation and infection. Since the patient in this case has numerous pustules and evidence of secondary infection, it is important to refer them to a physician who can provide appropriate medical treatment and prevent further complications. Applying cortisone cream or warm compress may provide temporary relief but will not address the underlying infection. Removing ingrown hairs without proper medical guidance can also lead to further complications.
8.
Photothermolysis is based on the principle of using?
Correct Answer
C. Laser energy to selectively destroy a target beneath the surface on the skin
Explanation
Photothermolysis is a technique that uses laser energy to selectively destroy a target beneath the surface of the skin. This process involves targeting a specific chromophore, which is a molecule that absorbs certain wavelengths of light. When the laser is applied to the skin, the chromophore absorbs the laser energy, converting it into heat. This heat then destroys the target, such as a hair follicle or a blood vessel, while minimizing damage to the surrounding tissue. By selectively targeting the specific chromophore, photothermolysis can effectively treat various conditions, including hair removal and vascular lesions.
9.
The best means of addressing patient concerns about the success of hair removal is to?
Correct Answer
D. Reassure the patient and provide realistic expectations
Explanation
The best means of addressing patient concerns about the success of hair removal is to reassure the patient and provide realistic expectations. This is because it is important to manage the patient's expectations and ensure that they understand that complete and permanent hair removal may not be achievable. By reassuring the patient and providing realistic expectations, the healthcare professional can help alleviate any concerns or unrealistic expectations that the patient may have. This approach focuses on open communication and setting realistic goals, which is crucial for patient satisfaction and overall success of the hair removal treatment.
10.
After lasing, the subsequent heat transfer from the chromophore to?
Correct Answer
C. Adjacent tissue
Explanation
After lasing, the subsequent heat transfer from the chromophore to adjacent tissue. This means that the heat generated by the laser is transferred to the tissue surrounding the chromophore. This is important because it helps to minimize damage to the targeted area and prevent excessive heat from affecting other structures such as the hair shaft, papillae, or epidermis. By transferring the heat to adjacent tissue, the laser treatment can be more precise and effective in its intended purpose.
11.
Which type of skin lesion is considered premalignant?
Correct Answer
B. Actinic Keratosis
Explanation
Actinic Keratosis is considered a premalignant skin lesion because it is caused by long-term sun exposure, which can lead to the development of skin cancer, particularly squamous cell carcinoma. Actinic Keratosis appears as rough, scaly patches on the skin and is commonly found on sun-exposed areas such as the face, scalp, and hands. If left untreated, Actinic Keratosis can progress to skin cancer, making it an important lesion to identify and manage early on.
12.
The most common type of laser used for hair removal is?
Correct Answer
B. Pulsed
Explanation
The most common type of laser used for hair removal is pulsed. Pulsed lasers emit short bursts of energy, allowing for better control and precision in targeting hair follicles. This type of laser is effective in removing unwanted hair while minimizing damage to the surrounding skin. Continuous wave lasers emit a constant beam of energy and are not commonly used for hair removal. Er:Yag and carbon dioxide lasers are also used in certain cases, but they are less commonly used compared to pulsed lasers.
13.
What is the acronym for LASER?
Correct Answer
A. Light Amplification by Stimulated Emission of Radiation
Explanation
LASER stands for Light Amplification by Stimulated Emission of Radiation. This acronym accurately describes the process by which a laser beam is generated. In a laser, light is amplified through the process of stimulated emission, where photons are emitted from excited atoms, resulting in the amplification of the light. This acronym distinguishes lasers from other sources of light by highlighting the specific mechanism by which they produce coherent and focused beams of light.
14.
The longer the wavelength the?
Correct Answer
C. Greater penetration of laser
Explanation
The longer the wavelength of a laser, the greater its penetration. This is because longer wavelengths have lower energy and are able to pass through materials more easily. Shorter wavelengths have higher energy and are more likely to be absorbed or scattered by the material they encounter, resulting in less penetration. So, the correct answer is "Greater penetration of laser".
15.
What is the expectant clinical manifestation/(expected outcome) after laser treatment?
Correct Answer
A. Peri-follicular erythema edema
Explanation
After laser treatment, it is expected to observe peri-follicular erythema edema. This means that there will be redness and swelling around the hair follicles. This is a common reaction to laser treatment and is considered a normal clinical manifestation.
16.
According to the Food and Drug Administration (FDA), "permanent hair reduction"is?
Correct Answer
B. Stable reduction in regrowth after treatment
Explanation
The correct answer is "Stable reduction in regrowth after treatment." This means that after undergoing the treatment, there will still be some hair regrowth, but it will be significantly reduced and stable over time. It does not imply complete removal of hair or removal of follicles, but rather a long-term reduction in hair regrowth.
17.
When one chromophore shields a deeper chromophore is it called?
Correct Answer
B. ChromopHore shielding
Explanation
When one chromophore shields a deeper chromophore, it is referred to as chromophore shielding. This term describes the phenomenon where a chromophore located closer to the surface absorbs light, preventing it from reaching a deeper chromophore. This can occur in various contexts, such as in the field of spectroscopy, where certain molecules or compounds may have multiple chromophores with different absorption properties.
18.
Spot size selection determines?
Correct Answer
C. Depth of penetration
Explanation
Spot size selection determines the depth of penetration. Different spot sizes are used in laser treatments to target specific depths in the skin. A smaller spot size will penetrate deeper into the skin, while a larger spot size will have a shallower penetration. The depth of penetration is an important factor in determining the effectiveness of the treatment, as different skin concerns require different depths of treatment. Therefore, spot size selection plays a crucial role in determining the depth at which the laser energy will be delivered, ensuring optimal results for the specific skin concern being addressed.
19.
Skin inflammation or redness that occurs as a normal reaction to tissue injury is known as?
Correct Answer
D. Erythema
Explanation
Erythema refers to skin inflammation or redness that occurs as a normal reaction to tissue injury. It is a common symptom that can be caused by various factors such as infection, injury, or allergic reactions. The redness is a result of increased blood flow to the affected area, which is part of the body's immune response to protect and heal the injured tissue.
20.
The wavelength most effective for laser hair removal falls between?
Correct Answer
C. 755 - 1064 nm
Explanation
The wavelength range of 755 - 1064 nm is most effective for laser hair removal. This is because melanin, the pigment responsible for hair color, absorbs light in this range most efficiently. The laser emits light at this specific wavelength range, targeting the melanin in the hair follicles. The absorbed light is converted into heat, which damages the follicles and inhibits future hair growth. This wavelength range ensures effective hair removal while minimizing damage to the surrounding skin.
21.
A positive outcome resulting from patient expectations is called the?
Correct Answer
A. Placebo effect
Explanation
The placebo effect refers to the phenomenon where a patient experiences a positive outcome or improvement in their condition due to their belief or expectation that a treatment or intervention will work, even if the treatment itself is inactive or lacks therapeutic properties. This effect highlights the powerful influence of psychological factors on health outcomes and is often observed in clinical trials and medical practice.
22.
Universal precautions is the term that applies to which of the following?
Correct Answer
D. The use of infection-control practices during the treatment of all patients
Explanation
Universal precautions refer to the practice of using infection-control measures during the treatment of all patients. This includes measures such as wearing gloves, masks, and other protective equipment to prevent the spread of infectious diseases. Universal precautions are important to ensure the safety of both healthcare providers and patients, as they help reduce the risk of transmission of infections in healthcare settings.
23.
All of the following are important practices to employ with patients who are beginning laser hair removal treatment EXCEPT?
Correct Answer
C. Verifying that the treatment area is free of cherry hemangiomas
Explanation
When beginning laser hair removal treatment, it is important to obtain informed consent to ensure that the patient understands the risks and benefits of the procedure. Performing a test patch is also crucial to assess the patient's skin reaction and determine the appropriate laser settings. Obtaining a medical history is necessary to identify any contraindications or potential complications. However, verifying that the treatment area is free of cherry hemangiomas is not specifically mentioned as an important practice in laser hair removal treatment.
24.
To effectively treat patients with dark skin with a Nd:Yag you need?
Correct Answer
D. Longer wavelengths and longer pulse widths
Explanation
To effectively treat patients with dark skin using a Nd:Yag laser, longer wavelengths and longer pulse widths are needed. Dark skin contains more melanin, which absorbs light energy. Using longer wavelengths allows the laser to penetrate deeper into the skin without being absorbed by the melanin, reducing the risk of burns or damage. Longer pulse widths also help to deliver the energy more gradually, minimizing the risk of overheating the skin. Therefore, longer wavelengths and longer pulse widths are essential for safe and effective treatment of patients with dark skin using a Nd:Yag laser.
25.
Prolonged bleeding from a wound can result from a deficiency of?
Correct Answer
D. Vitamin K
Explanation
Prolonged bleeding from a wound can result from a deficiency of Vitamin K. Vitamin K plays a crucial role in blood clotting by helping to activate proteins that are involved in the clotting process. Without enough Vitamin K, the blood may not clot properly, leading to prolonged bleeding. Iron is important for the production of red blood cells, but it does not directly affect blood clotting. Vitamin A and Vitamin E are not directly involved in the clotting process and do not have a significant impact on bleeding from wounds.
26.
What precautions should the electrologist take before treating a patient with a skin condition that resembles dermatitis artefacta?
Correct Answer
C. Refer the patient for a medical evaluation
Explanation
The electrologist should refer the patient for a medical evaluation before treating them with a skin condition resembling dermatitis artefacta. This is because dermatitis artefacta is a self-inflicted skin condition caused by psychological factors, and it is important to determine the underlying cause and ensure proper treatment. The electrologist is not qualified to diagnose or treat psychological conditions, so referring the patient to a medical professional is the appropriate precautionary measure.
27.
Footswitches on laser hair removal devices differ from those on needle epilators in that laser footswitches are?
Correct Answer
B. Hooded
Explanation
Laser footswitches are hooded, meaning they have a protective cover or casing around them. This design feature provides added safety by preventing accidental activation of the laser. The hooded footswitch requires deliberate and intentional pressure to depress, reducing the risk of accidental laser exposure. This is different from needle epilators, which may not have a hooded design and may be easier to depress.
28.
The most common cause of hirsutism and menstrual irregularity in women less than 50 years of age is?
Correct Answer
A. Polycystic ovaries
Explanation
Polycystic ovaries is the most common cause of hirsutism and menstrual irregularity in women less than 50 years of age. It is a hormonal disorder where the ovaries develop small cysts and produce excessive amounts of androgens (male hormones). This hormonal imbalance can lead to symptoms such as excessive hair growth (hirsutism) and irregular or absent menstrual periods. Other symptoms may include acne, weight gain, and infertility. Diagnosis is typically made through a combination of clinical evaluation, blood tests, and imaging studies. Treatment options include lifestyle changes, hormonal medications, and fertility treatments if needed.
29.
The average time required for a tweezed hair to reappear is?
Correct Answer
B. 5-6 weeks
Explanation
The average time required for a tweezed hair to reappear is 5-6 weeks. This is because when a hair is tweezed, it is removed from the root. It takes time for the hair follicle to regenerate and produce a new hair. On average, this process takes around 5-6 weeks for new hair to grow and become visible again.
30.
What is the wavelength for the long pulsed alexandrite laser?
Correct Answer
C. 755
Explanation
The correct answer is 755. The wavelength for the long pulsed alexandrite laser is 755 nm. This specific wavelength is commonly used in dermatology and aesthetic medicine for various treatments, such as hair removal and tattoo removal.
31.
The relative fluence effect on the skin is greatest with a spot size of?
Correct Answer
A. 8mm
Explanation
The relative fluence effect on the skin is greatest with a spot size of 8mm. This means that when using an 8mm spot size, the impact of fluence on the skin is the highest compared to other spot sizes. It indicates that the energy delivered to the skin per unit area is most concentrated with an 8mm spot size, potentially leading to a stronger effect on the skin.
32.
Furuncles and abscesses on the skin are most frequently caused by which type of bacteria?
Correct Answer
D. StapHylococci
Explanation
Furuncles and abscesses on the skin are most frequently caused by staphylococci bacteria. Staphylococci are gram-positive bacteria that commonly inhabit the skin and mucous membranes. They can cause infections when they enter the body through a cut or break in the skin. Staphylococci bacteria produce enzymes and toxins that contribute to the formation of pus-filled abscesses and furuncles. These infections can be painful and may require medical treatment, including antibiotics, to resolve.
33.
The process in which all bacteria are destroyed is known as?
Correct Answer
B. Sterilization
Explanation
Sterilization refers to the process of completely eliminating or destroying all forms of microbial life, including bacteria. It is a highly effective method that ensures the complete eradication of bacteria and other microorganisms. Sanitation, on the other hand, focuses on reducing the number of bacteria and maintaining cleanliness. Disinfection involves killing or inhibiting the growth of microorganisms, but it may not necessarily eliminate all bacteria. Irradiation is a method that uses radiation to kill bacteria but is not the most commonly used method for complete destruction of bacteria.
34.
It is not advisable to use absolute (undiluted) alcohol because it?
Correct Answer
A. Is less effective than 70% alcohol
Explanation
Absolute (undiluted) alcohol is less effective than 70% alcohol because the water content in the latter helps to disrupt the cell membranes of microorganisms, making it a more effective disinfectant.
35.
The recommended time period to wait before performing electrology procedures on skin that has just received collagen implants is?
Correct Answer
B. 4 weeks
Explanation
The recommended time period to wait before performing electrology procedures on skin that has just received collagen implants is 4 weeks. This waiting period is necessary to allow the skin to fully heal and for the collagen implants to settle properly. Performing electrology procedures too soon after collagen implants can potentially disrupt the healing process and lead to complications. Waiting for 4 weeks ensures that the skin is in a stable condition and minimizes the risk of any adverse effects during the electrology procedure.
36.
How can blood-borne pathogens enter the body?
Correct Answer
A. Through broken skin and mucous membranes
Explanation
Blood-borne pathogens can enter the body through broken skin and mucous membranes. This is because these pathogens can easily pass through any cuts, abrasions, or open wounds on the skin, as well as enter the body through the eyes, nose, or mouth. It is important to protect these entry points by wearing gloves, masks, and other personal protective equipment when dealing with potentially infected individuals or contaminated objects.
37.
The herpes simplex virus lies dormant in the skin but can be triggered by?
Correct Answer
C. Laser treatments
Explanation
Laser treatments can trigger the herpes simplex virus because they can cause trauma to the skin, which can reactivate the virus. This reactivation can lead to the development of cold sores or genital herpes outbreaks. During laser treatments, the skin is subjected to intense heat and light, which can cause inflammation and damage to the skin cells. This can weaken the immune system's ability to keep the virus in check, allowing it to become active again. Therefore, laser treatments can serve as a trigger for the herpes simplex virus.
38.
A new patient presents with excessive facial hair, obesity, and irregular menses. the electrologist's most appropriate action is to?
Correct Answer
B. Treat the patient and advise a medical evaluation
Explanation
The electrologist's most appropriate action is to treat the patient for excessive facial hair and advise a medical evaluation. Excessive facial hair, obesity, and irregular menses are symptoms commonly associated with a hormonal condition called polycystic ovary syndrome (PCOS). PCOS requires medical evaluation and diagnosis by a healthcare professional. Treating the patient's excessive facial hair without addressing the underlying hormonal imbalance would not provide a long-term solution. Therefore, it is important for the electrologist to advise the patient to seek medical evaluation to address the root cause of their symptoms.
39.
The most common form of skin cancer is?
Correct Answer
B. Basal cell carcinoma
Explanation
Basal cell carcinoma is the most common form of skin cancer. It arises from the basal cells in the outermost layer of the skin. It is typically slow-growing and rarely spreads to other parts of the body. Risk factors for basal cell carcinoma include excessive sun exposure, fair skin, and a family history of the disease. Early detection and treatment are crucial in preventing the cancer from spreading or causing further damage.
40.
Which of the following is a disorder characterized by hypertension, obesity, hirsutism, and high levels of androgens?
Correct Answer
B. Stein-Leventhal syndrome
Explanation
Stein-Leventhal syndrome, also known as polycystic ovary syndrome (PCOS), is a disorder characterized by hypertension (high blood pressure), obesity, hirsutism (excessive hair growth), and high levels of androgens (male hormones). It is a hormonal disorder that affects the ovaries and can lead to irregular menstrual cycles, infertility, and other health complications.
41.
Using the blend modality, the application of thermolysis causes the lye to?
Correct Answer
A. Become more caustic
Explanation
When using the blend modality, the application of thermolysis causes the lye to become more caustic. Thermolysis involves the use of heat to break down the hair follicle, and this process increases the strength and effectiveness of the lye solution. As a result, the lye becomes more corrosive and can effectively destroy the hair follicle.
42.
The most effective hair removal laser for skin types I-IV is?
Correct Answer
A. Er:YAG
Explanation
The Er:YAG laser is the most effective hair removal laser for skin types I-IV because it has a wavelength of 2940 nm, which is highly absorbed by water in the skin. This laser can target the hair follicles without causing significant damage to the surrounding skin, making it safe and effective for a wide range of skin types. Additionally, the Er:YAG laser has a shorter pulse duration, allowing for precise and efficient hair removal.
43.
Which prescription medication is associated with development of phototoxic reactions in response to exposure to uv light?
Correct Answer
D. Tetracycline
Explanation
Tetracycline is a prescription medication that is associated with the development of phototoxic reactions in response to exposure to UV light. Phototoxic reactions occur when certain medications make the skin more sensitive to sunlight, leading to an increased risk of sunburn or skin rash. Tetracycline is known to cause this reaction, while Lipitor, Zithromax, and Erythromycin do not have this association.
44.
There is a higher risk of collateral damage to the skin with a?
Correct Answer
C. Shorter wavelength
Explanation
Shorter wavelength lasers have higher energy levels, which can lead to increased collateral damage to the skin. This is because shorter wavelengths are more easily absorbed by the skin, causing more heat and potential harm to surrounding tissues. Therefore, using a laser with a shorter wavelength poses a higher risk of collateral damage to the skin compared to lasers with longer wavelengths.
45.
A person with a goiter will have increased secretion of?
Correct Answer
A. Thyroid-stimulating hormone (TSH)
Explanation
A person with a goiter will have increased secretion of Thyroid-stimulating hormone (TSH). Goiter is an enlargement of the thyroid gland, usually caused by a deficiency of iodine in the diet. The lack of iodine leads to decreased production of thyroid hormones, which in turn stimulates the release of TSH from the pituitary gland. TSH then acts on the thyroid gland, causing it to grow and produce more thyroid hormones, resulting in a goiter. Therefore, increased secretion of TSH is associated with goiter.
46.
Enhanced secretion of luteinizing hormone (LH) is a causative factor in?
Correct Answer
A. Development of Hirsutism
Explanation
Enhanced secretion of luteinizing hormone (LH) is a causative factor in the development of Hirsutism. Hirsutism is a condition characterized by excessive hair growth in women, typically in areas where hair is normally minimal or absent. LH stimulates the production of androgens, such as testosterone, which can lead to increased hair growth. Therefore, when LH secretion is enhanced, it can result in the development of Hirsutism.
47.
Most laser hair removal equipment operates in the wavelength ranges associated with?
Correct Answer
D. Visible light
Explanation
Laser hair removal equipment typically operates in the wavelength range of visible light. This is because the melanin pigment in the hair follicles absorbs the energy from the laser light, which is then converted into heat. This heat damages the hair follicle, inhibiting future hair growth. Visible light wavelengths are ideal for targeting the hair follicles while minimizing damage to the surrounding skin.
48.
Laser hair removal is achieved by depositing energy into the?
Correct Answer
A. Hair shaft and pigmented follicular epithelium
Explanation
Laser hair removal works by targeting the hair shaft and the pigmented follicular epithelium. The laser emits a concentrated beam of light that is absorbed by the pigment in the hair follicle. This energy is then converted into heat, which damages the hair follicle and inhibits further hair growth. By specifically targeting the hair shaft and the pigmented follicular epithelium, laser hair removal is able to effectively remove unwanted hair.
49.
A property of aging skin that hinders effective electrolysis is a decrease in?
Correct Answer
C. Moisture
Explanation
As skin ages, it tends to lose moisture, which can hinder the effectiveness of electrolysis. Moisture in the skin helps to conduct the electrical current used in electrolysis, allowing for better hair removal. When the skin is dry, the electrical current may not be able to penetrate as effectively, resulting in less effective electrolysis. Therefore, a decrease in moisture can hinder the effectiveness of electrolysis on aging skin.
50.
What minimum concentration of alcohol is required for effective disinfectant action?
Correct Answer
B. 70%
Explanation
A minimum concentration of 70% alcohol is required for effective disinfectant action. This is because alcohol acts as a disinfectant by denaturing proteins and destroying the lipid membrane of microorganisms. A concentration of 70% strikes a balance between being effective in killing a wide range of microorganisms and allowing enough time for the alcohol to act on the pathogens. Higher concentrations, such as 90% or 100%, evaporate too quickly to effectively kill the microorganisms, while lower concentrations may not be as effective in killing certain types of pathogens.