1.
A combination build-up of bed epithelium and hyponychial tissue is known as the
Correct Answer
A. Onychodermal band
Explanation
The onychodermal band refers to the combination build-up of bed epithelium and hyponychial tissue. This band is located at the distal edge of the nail plate and helps to provide support and protection to the nail. It is also involved in the process of nail growth and maintenance.
2.
The nail bed and matrix bed is anchored to the underlying bone by the:
Correct Answer
C. Specialized ligaments
Explanation
The nail bed and matrix bed, which are responsible for nail growth and support, are attached to the underlying bone by specialized ligaments. These ligaments provide stability and allow for movement of the nail. They help to anchor the nail bed and matrix bed to the bone, ensuring that the nail remains securely in place.
3.
The folds in the skin that forms the nail grooves are known as the
Correct Answer
B. Nail folds
Explanation
The folds in the skin that form the nail grooves are known as the nail folds. These folds help to protect and support the nail, as well as provide a barrier against infection. They are located on either side of the nail plate and can be seen as the skin that surrounds the base and sides of the nail.
4.
The shape and thickness of the nail is determined by:
Correct Answer
D. A, b, and c
Explanation
The shape and thickness of the nail is determined by the shape of the matrix bed, the length of the matrix bed, and how fast it produces the nail plate. The matrix bed is the area where the nail plate is formed, and its shape and length directly affect the shape and thickness of the nail. Additionally, the speed at which the matrix bed produces the nail plate also plays a role in determining the final characteristics of the nail. Therefore, all three factors (a, b, and c) contribute to the shape and thickness of the nail.
5.
The nail plate is attached to the nail bed by a layer of tissue known as the
Correct Answer
C. Bed epithelium
Explanation
The correct answer is bed epithelium. The nail plate is attached to the nail bed by a layer of tissue called the bed epithelium. This tissue helps to anchor the nail plate and provide support for the nail. It also plays a role in nail growth and regeneration. The other options, nail ligaments, matrix layer, and bed folds, are not correct as they do not accurately describe the tissue that attaches the nail plate to the nail bed.
6.
The main compound of the nail plate is fibrous protein called
Correct Answer
B. Keratin
Explanation
Keratin is the main compound of the nail plate. It is a fibrous protein that provides strength and structure to the nails. Keratin is also found in other parts of the body, such as hair and skin. It is responsible for the hardness and durability of the nails, making them resistant to damage and breakage.
7.
A nail disorder is a condition that can be caused by
Correct Answer
D. All of the above
Explanation
A nail disorder can be caused by various factors, including an injury to the nail, a disease in the body, or an imbalance in the body. These factors can individually or collectively contribute to the development of nail disorders. An injury to the nail, such as trauma or excessive pressure, can result in nail abnormalities. Certain diseases, such as psoriasis or fungal infections, can also affect the health of the nails. Additionally, imbalances in the body, such as nutritional deficiencies or hormonal changes, can manifest as nail disorders. Therefore, all of the above options can cause nail disorders.
8.
A nail technician should never perform services on a client of there is evidence of
Correct Answer
A. An infection
Explanation
If there is evidence of an infection, a nail technician should never perform services on a client. This is because performing services on an infected area can further spread the infection and cause harm to the client. It is important to prioritize the health and safety of the client and avoid any potential risks or complications.
9.
Matrix bed problems are usually associated with
Correct Answer
A. Nail thickness
Explanation
Matrix bed problems are usually associated with nail thickness because the thickness of the nail can affect the health and condition of the matrix bed. The matrix bed is the area at the base of the nail where new cells are produced, and if the nail is too thick, it can put pressure on the matrix bed and cause discomfort or damage. Additionally, a thick nail may not grow properly or may be more prone to issues such as ingrown nails or infections. Therefore, nail thickness is an important factor to consider when addressing matrix bed problems.
10.
Small white spots often seen under the surface of the nail plate are called
Correct Answer
B. Leukonychia
Explanation
Leukonychia refers to the small white spots often seen under the surface of the nail plate. These spots can be caused by various factors such as trauma, nutritional deficiencies, fungal infections, or certain medications. The appearance of leukonychia can vary from person to person, and it is usually harmless and temporary.
11.
Hangnails are caused by
Correct Answer
A. Dry cuticles
Explanation
Hangnails are caused by dry cuticles. Dry cuticles lack moisture and become brittle, which can lead to the formation of hangnails. When the skin around the nail bed becomes dry and cracked, it can easily tear, resulting in a hangnail. Nail biting, polish, and buffing can also contribute to the development of hangnails, but the primary cause is dry cuticles.
12.
The wasting away or atrophy of the nail is known as
Correct Answer
B. OnychatropHia
Explanation
Onychatrophia refers to the wasting away or atrophy of the nail. It is a condition characterized by the shrinking and deterioration of the nail plate. This can be caused by various factors such as trauma, infection, or underlying medical conditions. Onychatrophia can result in thinning, discoloration, and brittleness of the nail. Treatment options for this condition may include addressing the underlying cause, keeping the nails clean and moisturized, and possibly using topical medications or supplements to promote nail health.
13.
The overgrowth of the nail is
Correct Answer
A. Onychauxis
Explanation
Onychauxis refers to the overgrowth of the nail. This condition causes the nail to become thickened and enlarged. It can be caused by various factors such as trauma, fungal infections, or certain medical conditions. Onychauxis can result in discomfort and difficulty in trimming or maintaining the nails. Treatment may involve regular trimming and filing of the nails, as well as addressing any underlying causes or infections.
14.
Nails, which are thin, white, and curved over the free edges are called
Correct Answer
C. Eggshell
Explanation
Nails that are thin, white, and curved over the free edges are referred to as "eggshell" nails. This term is used to describe the appearance of the nails, which resemble the shape and texture of an eggshell.
15.
A black band seen under or withing the nail plate extending from the proximal nail fold to the free edge is know as
Correct Answer
D. Melanonychia
Explanation
Melanonychia refers to the presence of a black band under or within the nail plate, extending from the proximal nail fold to the free edge. This condition can be caused by various factors, including melanocyte activation, trauma, medications, or underlying medical conditions. It is important to differentiate between benign causes of melanonychia and potentially malignant conditions, such as subungual melanoma. If melanonychia is present, further evaluation by a healthcare professional is necessary to determine the cause and appropriate management.
16.
A co ndition in which a clot of blood forms under the nail plate due to injurty to the nail bed is called a/an:
Correct Answer
A. Bruised nail
Explanation
A bruised nail refers to a condition where a clot of blood forms under the nail plate as a result of injury to the nail bed. This can happen when the nail is forcefully hit or crushed, causing blood vessels to rupture and blood to accumulate under the nail. The accumulated blood appears as a dark discoloration or bruise on the nail. It is a common condition and usually resolves on its own over time as the nail grows out.
17.
Long ridges that run lengthwise or across the nail are called
Correct Answer
A. Furrows
Explanation
Furrows are long ridges that run lengthwise or across the nail. They can be caused by various factors such as aging, trauma, or certain medical conditions. These ridges can affect the appearance of the nails and may be a sign of an underlying health issue. Onychophagy refers to the habit of biting nails, agnails are torn or jagged cuticles, and leukonychia is the presence of white spots or lines on the nails. Therefore, furrows is the correct answer as it specifically refers to the long ridges on the nails.
18.
Another term for an ingrown nail is
Correct Answer
D. Onychocryptosis
Explanation
Onychocryptosis is another term for an ingrown nail. This condition occurs when the edge of the nail grows into the surrounding skin, causing pain, inflammation, and sometimes infection. It is commonly seen in the toenails and can be caused by improper nail trimming, tight footwear, or trauma to the nail. Treatment may involve soaking the affected area, wearing open-toed shoes, and in severe cases, surgical intervention may be necessary to remove the ingrown portion of the nail.
19.
Nails that have an in creasing curvature through out the nail plate are called
Correct Answer
B. Tile nail
Explanation
Nails that have an increasing curvature throughout the nail plate are called tile nails. This term refers to the shape of the nail, which resembles the curved surface of a roof tile. The curvature of the nail plate gradually increases from the base to the tip, resulting in a distinctive shape.
20.
This condition develops as the nail reaches the end of the digit, and appears as a trumpet of cone formation:
Correct Answer
A. Pincer nail
Explanation
Pincer nail is a condition that occurs when the nail reaches the end of the digit and takes on a trumpet or cone-like shape. This can cause the nail to become curved and press into the skin, leading to discomfort or pain. It is characterized by excessive curvature of the nail and can be caused by various factors such as genetics, trauma, or improper nail care. Treatment options include wearing wider shoes, using special nail clippers, or in severe cases, surgical intervention.
21.
When the surface of the nail is generally flat while one or both edges of the plate are folded at a 90-degree angle or move into the soft tissue of the nail margins, this is called a/an
Correct Answer
C. Plicatured nail
Explanation
A plicatured nail refers to a condition where the surface of the nail is generally flat, but one or both edges of the nail plate are folded at a 90-degree angle or move into the soft tissue of the nail margins. This can result in discomfort and potential complications if left untreated.
22.
The medical term for the nails that have been bitten enough to the deformed is called
Correct Answer
B. OnychopHagy
Explanation
Onychophagy refers to the habit of biting one's nails, which can lead to deformities in the nails. This term specifically describes the condition of nails that have been bitten enough to become deformed. Onychocryptosis refers to ingrown nails, hocryptosis and onychophosis are not medical terms, and pterygium refers to a growth of tissue on the eye. Therefore, onychophagy is the correct medical term for nails that have been bitten enough to become deformed.
23.
Split or brittle nails that have a series of lengthwise ridges are called
Correct Answer
A. Onychorrhexis
Explanation
Split or brittle nails that have a series of lengthwise ridges are referred to as onychorrhexis.
24.
Onychopathy or onychosis refers to a technical term for a
Correct Answer
A. Nail disease
Explanation
The term "onychopathy" or "onychosis" is a technical term that specifically refers to a nail disease. It does not encompass nail deformities, nail shapes, or nail injuries.
25.
Aobnormal scarring of proximal or distal nail fold is called
Correct Answer
A. Pterygium
Explanation
Pterygium refers to the abnormal scarring of either the proximal or distal nail fold. It is a condition where the skin around the nail grows over the nail plate, causing it to become distorted or deformed. This can lead to pain, inflammation, and difficulty in maintaining proper nail hygiene.
26.
Pseudomonas aeruginosa is a bacterium that can be found:
Correct Answer
A. In the soil and water
Explanation
Pseudomonas aeruginosa is a bacterium that can be found in the soil and water because it is a common inhabitant of these environments. It is known to have versatile metabolic capabilities, allowing it to survive and thrive in various conditions. This bacterium is also known for its ability to cause infections in humans, particularly in individuals with weakened immune systems. Therefore, its presence in soil and water sources can pose a potential risk to human health.
27.
If a nail enhancement is not properly applied, pseudomonas bacteria can
Correct Answer
A. Infiltrate the lifted area
Explanation
If a nail enhancement is not properly applied, it can cause lifting of the nail. In this case, pseudomonas bacteria can infiltrate the lifted area, leading to potential infections or other complications. This can be harmful to the nail and surrounding tissues if not addressed and treated appropriately.
28.
If a client has mold present, no enhancements should be applied
Correct Answer
D. Until there are no more visible signs of a problem
Explanation
When a client has mold present, it is important to address the issue before applying any enhancements. Mold can cause health problems and damage to the property. Therefore, it is necessary to wait until there are no more visible signs of a mold problem before proceeding with any enhancements. This ensures that the mold issue has been completely resolved and reduces the risk of further complications.
29.
The number of fungi species that can cause infections to humans is
Correct Answer
B. Less than 50
Explanation
There are less than 50 fungi species that can cause infections to humans. This suggests that the number of fungi species that pose a risk to human health is relatively low. It is important to note that while there are numerous fungi species in existence, only a small fraction of them have been identified as potential pathogens for humans.
30.
An injury to the nail that produces a portal entry is prone to
Correct Answer
A. A fungi infection
Explanation
An injury to the nail that produces a portal entry is prone to a fungi infection because the injury creates an opening in the nail that allows fungi to enter and infect the nail bed. Fungi thrive in warm and moist environments, and the damaged nail provides an ideal condition for fungal growth. If left untreated, the fungi infection can spread and cause further damage to the nail, leading to discoloration and plicatured (folded or curved) nails.
31.
Fungal infections occur more often on the
Correct Answer
C. Toenails
Explanation
Fungal infections occur more often on the toenails because the warm and moist environment inside shoes provides an ideal breeding ground for fungi. Additionally, the toenails are often exposed to trauma and injury, making them more susceptible to fungal infections. Poor foot hygiene, wearing tight-fitting shoes, and having a weakened immune system also increase the risk of developing toenail fungal infections.
32.
A condition in which the nail loosens from the nail bed usually beginning at the free edge and continuing to the lunula is called
Correct Answer
C. Onycholysis
Explanation
Onycholysis is a condition in which the nail becomes loose and separates from the nail bed, starting from the free edge and extending towards the lunula. This condition can be caused by various factors such as trauma, fungal infections, psoriasis, or the use of certain medications. Onycholysis can result in a discolored, thickened, or deformed nail, and may cause discomfort or pain. Proper diagnosis and treatment are important to address the underlying cause and prevent further damage to the nail.
33.
An infection of the tissue around the nail is known as
Correct Answer
B. Paronychia
Explanation
Paronychia is the correct answer because it refers to an infection of the tissue around the nail. Onychoptosis is the excessive shedding or loss of nails, agnails are torn or jagged nails, and plicatured refers to a condition where the nail is folded or curved. Therefore, paronychia is the most appropriate term to describe an infection of the tissue around the nail.
34.
The shedding of the nail plate occurring in the fingernails and toenails is called
Correct Answer
D. Onychomadesis
Explanation
Onychomadesis is the correct answer because it refers to the shedding of the nail plate in both fingernails and toenails. Plicatured is not a term related to nail shedding. Paronychia is an infection of the nail fold, and onychomycosis is a fungal infection of the nail, but neither of these terms specifically refers to the shedding of the nail plate. Therefore, onychomadesis is the most appropriate term for describing the shedding of the nail plate in this context.
35.
Chronic paronychia is most often caused by
Correct Answer
C. A yeast infection
Explanation
Chronic paronychia is most often caused by a yeast infection. This condition is characterized by inflammation and swelling of the skin around the nails. Yeast infections, specifically Candida species, can thrive in warm and moist environments, making the nail folds an ideal location for their growth. Factors such as prolonged exposure to water, frequent handwashing, nail biting, and finger sucking can contribute to the development of chronic paronychia. Treatment typically involves antifungal medications to eliminate the yeast infection and alleviate symptoms.
36.
A severe inflammation on the nail in which a lump of red tissue grows up from the nail bed to the nail place is know as
Correct Answer
B. Pyogenic granuloma
Explanation
Pyogenic granuloma is a correct answer because it is a condition characterized by the growth of a lump of red tissue from the nail bed to the nail plate. It is a type of severe inflammation that can occur around the nails. Paronychia refers to an infection around the nail, onychomadesis is the shedding or loss of the nail, and ventral pterygium is a condition where the skin on the underside of the nail grows over the nail plate.
37.
The ability of healthy skin to regain its shape immediately after being pulled away from the bone is called
Correct Answer
B. Elasticity
Explanation
Elasticity refers to the ability of healthy skin to regain its shape immediately after being pulled away from the bone. This property allows the skin to stretch and then return to its original state without any permanent damage or deformation. Electricity, stimuli, and fluidity are unrelated to the skin's ability to regain its shape, making elasticity the correct answer.
38.
The skin performs all of these jobs for the body EXCEPT:
Correct Answer
C. Nutrition
Explanation
The skin performs various functions for the body, including protection from external factors, regulation of body temperature, and excretion of waste products. However, nutrition is not a function directly performed by the skin. The skin does not play a role in absorbing nutrients from food or distributing them throughout the body.
39.
The outer layer of skin is called the:
Correct Answer
B. Epidermis
Explanation
The correct answer is epidermis. The epidermis is the outermost layer of the skin. It is composed of multiple layers of cells and serves as a protective barrier against the external environment. The epidermis also contains melanocytes, which produce melanin, the pigment responsible for skin color. This layer does not contain blood vessels and receives nutrients and oxygen through diffusion from the underlying layers of skin.
40.
The deepest layer of the skin is called the
Correct Answer
D. Subcutaneous layer
Explanation
The subcutaneous layer is the deepest layer of the skin. It is composed of fat cells and connective tissue that provide insulation and cushioning for the body. This layer also contains blood vessels and nerves that supply the skin and help regulate body temperature. The dermis is the layer above the subcutaneous layer and contains sweat glands, hair follicles, and sensory receptors. The epidermis is the outermost layer of the skin, while the papilla refers to the small projections in the dermis that help anchor the epidermis to the rest of the skin.
41.
The epidermis contains no:
Correct Answer
C. Blood vessels
Explanation
The epidermis is the outermost layer of the skin, and it primarily serves as a protective barrier. It does not contain any blood vessels, which are responsible for transporting blood throughout the body. The lack of blood vessels in the epidermis is why cuts or injuries to this layer of skin do not typically result in bleeding.
42.
This layer of the skin is composed of dead epithelial cells that have become keratinized:
Correct Answer
D. Stratum coerneum
Explanation
The stratum corneum is the outermost layer of the epidermis, composed of dead epithelial cells that have become keratinized. These cells are flattened and filled with a protein called keratin, which provides strength and protection to the skin. The stratum corneum acts as a barrier against environmental factors such as water loss, UV radiation, and pathogens. It also helps to prevent the entry of harmful substances into the body.
43.
The small epidermal layer composed of clear cells is the:
Correct Answer
B. Stratum lucidum
Explanation
The small epidermal layer composed of clear cells is the stratum lucidum. This layer is found only in thick skin, such as the skin on the palms of hands and soles of feet. The clear cells in this layer lack organelles and are filled with a protein called eleidin, which gives them a translucent appearance. The stratum lucidum acts as a barrier, providing additional protection to the skin and helping to prevent water loss.
44.
Cells that look like granules are in the layer of epidermis called:
Correct Answer
C. Stratum granulosum
Explanation
The correct answer is stratum granulosum. The stratum granulosum is a layer of the epidermis that is composed of cells that contain granules. These granules are filled with a protein called keratin, which helps to provide strength and waterproofing to the skin. The stratum granulosum is located between the stratum lucidum and the stratum corneum in the epidermis.
45.
Melanin is found in this epidermis layer
Correct Answer
B. Basal layer
Explanation
Melanin is a pigment responsible for giving color to the skin, hair, and eyes. It is produced by cells called melanocytes, which are primarily found in the basal layer of the epidermis. The basal layer is the deepest layer of the epidermis and is responsible for the constant regeneration of new skin cells. Melanin produced in the basal layer is then transferred to the other layers of the epidermis, providing protection against harmful UV rays from the sun. Therefore, it is correct to say that melanin is found in the basal layer of the epidermis.
46.
Blood vessels and nerves are found in the
Correct Answer
A. Dermis
Explanation
The dermis is the correct answer because it is the layer of skin where blood vessels and nerves are found. The dermis is located beneath the epidermis and is responsible for providing nutrients to the skin cells and regulating temperature. It also contains sensory receptors that allow us to feel touch, pressure, and pain. The other options, such as the epidermis, follicle, and stratum corneum, do not contain blood vessels and nerves.
47.
The dermal layer which lies directly under the epidermis is the
Correct Answer
B. Papillary layer
Explanation
The papillary layer is the correct answer because it is the layer of the dermis that lies directly under the epidermis. This layer is responsible for providing nutrients to the epidermis and contains blood vessels, nerve endings, and connective tissue. It also contains papillae, which are small projections that help with grip and provide the ridges on our fingertips. The other options, such as adipose tissue, tactile corpuscles, and the horny layer, are not directly under the epidermis and do not accurately describe the dermal layer.
48.
Fat cells, blood vessels, and sweat glands are found in the
Correct Answer
D. Reticular layer
Explanation
The reticular layer is the correct answer because it is the layer of the skin that contains fat cells, blood vessels, and sweat glands. This layer is located beneath the papillae and epidermis layers. The reticular layer is responsible for providing support and structure to the skin, as well as housing important structures such as hair follicles and sebaceous glands.
49.
The fatty tissue found in the subcutaneous layer of the dermis is called
Correct Answer
C. Adipose
Explanation
The correct answer is "adipose" because it refers to the fatty tissue found in the subcutaneous layer of the dermis. Adipose tissue is responsible for storing energy, insulating the body, and providing cushioning and protection to organs. It is made up of adipocytes, which are specialized cells that store fat.
50.
Arrector pill muscles can cause
Correct Answer
D. Goose bumps
Explanation
The arrector pili muscles are responsible for causing goose bumps. These muscles are attached to hair follicles and contract in response to cold temperatures or strong emotions, causing the hair to stand on end. This reaction is known as piloerection and is believed to be a vestigial reflex from our evolutionary ancestors.