1.
The nails, which are part of the integumentary system, are an appendage of the:
Correct Answer
B. Skin
Explanation
Nails are made up of a tough protein called keratin, which is also found in the skin. The integumentary system includes the skin, hair, nails, and glands, all of which work together to protect the body from external factors. Since nails are made up of the same material as the skin and are considered as part of the integumentary system, the correct answer is skin.
2.
A slightly pink nail is a sign of a/an:
Correct Answer
A. Healthy nail
Explanation
A slightly pink nail is a sign of a healthy nail because it indicates good blood circulation and oxygen supply to the nail bed. Pink coloration suggests that the nail is receiving enough nutrients and is not experiencing any inflammation, infection, or bruising. It is a positive indication of overall nail health.
3.
The nail is composed of keratin, which is:
Correct Answer
C. Onyx
Explanation
The correct answer is onyx. Onyx is a type of stone that is often black in color. In the context of the question, the nail is being compared to onyx because both are made of a hard substance. The nail is composed of keratin, which is a tough protein that also makes up hair and the outer layer of skin. Therefore, onyx is the most appropriate term to describe the composition of the nail.
4.
The nail is composed of keratin, which is:
Correct Answer
D. A protein
Explanation
The nail is composed of keratin, which is a protein. Keratin is a fibrous structural protein that forms the main component of nails, hair, and the outer layer of skin. It provides strength and rigidity to the nail, making it hard and durable.
5.
Between ___ of the nail is made up of water.
Correct Answer
D. 10% and 30%
Explanation
The correct answer is 10% and 30%. This means that between 10% and 30% of the nail is made up of water.
6.
The nail bed is the portion of the skin:
Correct Answer
B. On wich the nail plate rests
Explanation
The nail bed refers to the portion of the skin on which the nail plate rests. This means that the nail plate, which is the hard, protective covering of the nail, is supported by and sits on the nail bed. The nail bed is located beneath the nail plate and provides a foundation for the nail.
7.
The cells that produce the nail plate are found in the:
Correct Answer
C. Matrix bed (nail root)
Explanation
The cells that produce the nail plate are found in the matrix bed, also known as the nail root. This is the area at the base of the nail where the cells divide and grow, pushing the nail plate forward. The matrix bed is responsible for the production of new nail cells, which then harden and form the visible nail plate. The other options mentioned, such as the mantle, hyponychium, and nail bed, are not directly involved in the production of the nail plate.
8.
The lunula, or half-moon, is the visible portion of them:
Correct Answer
D. Matrix bed (nail root)
Explanation
The lunula, or half-moon, is the visible portion of the matrix bed (nail root). The matrix bed is the area at the base of the nail where new nail cells are produced. It is responsible for the growth and development of the nail. The lunula appears white because the cells in this area are not yet fully keratinized, giving it a lighter color compared to the rest of the nail.
9.
The part of the nail unit that rests on and is attached to the nail bed is the:
Correct Answer
C. Nail plate
Explanation
The nail plate is the hard, translucent part of the nail that covers and protects the nail bed. It is the visible part of the nail that extends beyond the fingertip. The nail plate is attached to the nail bed, which is the tissue underneath the nail plate. The hyponychium is the area of skin at the end of the fingertip, just beneath the free edge of the nail. The matrix bed is the area at the base of the nail where new cells are produced for nail growth. The free edge refers to the part of the nail plate that extends beyond the fingertip.
10.
A normal cuticle is:
Correct Answer
A. Flexible
Explanation
A normal cuticle is flexible because it needs to be able to move and bend with the body. The cuticle is the outermost layer of the skin and serves as a protective barrier. It needs to be able to stretch and flex in order to accommodate movement and changes in the shape of the body. If the cuticle were rigid, it would restrict movement and cause discomfort. Additionally, a flexible cuticle allows for the absorption of moisture and nutrients, which is essential for maintaining healthy skin.
11.
The extension of the cuticle that partly overlaps the lunula is the:
Correct Answer
A. Eponychium
Explanation
The eponychium is the correct answer because it refers to the extension of the cuticle that partly overlaps the lunula. The eponychium is the thin strip of skin that covers the base of the nail and protects it from infection. It is also known as the "cuticle." The mantle refers to the area where the nail plate forms, the nail fold refers to the skin that surrounds the sides of the nail, and the hyponychium refers to the skin beneath the free edge of the nail.
12.
The hyponychium seals the normal skin to the:
Correct Answer
B. Free edge of the nail
Explanation
The hyponychium is a thin layer of skin located at the junction between the free edge of the nail and the fingertip. It acts as a seal, preventing bacteria and debris from entering the space between the nail and the skin. Therefore, the correct answer is "free edge of the nail".
13.
Extending over the fingertip is the part of the nail plate called the:
Correct Answer
D. Free edge
Explanation
The free edge is the part of the nail plate that extends beyond the fingertip. It is the part that is typically trimmed and shaped. The cuticle refers to the skin that overlaps the base of the nail. The lanula is the white, crescent-shaped area at the base of the nail. The hyponychium is the skin that lies beneath the free edge of the nail.
14.
Specialized ligaments attached the nail bed and matrix bed to the:
Correct Answer
D. Underlying bone
Explanation
Specialized ligaments attach the nail bed and matrix bed to the underlying bone. These ligaments provide stability and support to the nail, anchoring it firmly to the bone. This connection allows the nail to grow and remain in place, preventing it from detaching or becoming dislodged. The attachment to the underlying bone also helps in maintaining the proper alignment of the nail, ensuring its proper function and appearance.
15.
The matrix bed is embedded in a deep fold of skin called the:
Correct Answer
C. Mantle
Explanation
The matrix bed is embedded in a deep fold of skin called the mantle. The mantle is a thickened area of skin that surrounds the base of the nail and helps protect the matrix bed. It plays a crucial role in the growth and development of the nail, providing support and nourishment to the cells in the matrix bed.
16.
A rate of nail growth of 1/8 inch per month is average for:
Correct Answer
D. Normal adults
Explanation
The rate of nail growth of 1/8 inch per month is considered average for normal adults. This means that the nails of normal adults grow at a steady pace of 1/8 inch per month. It is important to note that this rate may vary slightly among individuals, but on average, normal adults can expect their nails to grow at this rate.
17.
A nail condition that is safe to work within the salon is:
Correct Answer
C. OnychopHagy
Explanation
Onychophagy refers to the habit of biting or chewing one's nails. This condition is safe to work within a salon because it does not involve any infection or inflammation of the nail bed. While onychophagy may not be aesthetically pleasing, it does not pose any health risks or contagious concerns for salon workers or clients.
18.
Careless filing and excessive use of cuticle solvent and nail polish removers are among the causes of:
Correct Answer
A. Abnormal nail brittleness
Explanation
Careless filing and excessive use of cuticle solvent and nail polish removers can weaken the nails, making them more prone to breakage and brittleness. These practices can strip the nails of their natural oils and moisture, leading to dry and brittle nails. This can result in nails that easily chip, split, or break. Therefore, the correct answer is abnormal nail brittleness.
19.
The technical term for white spots or whitish discoloration of the nails is:
Correct Answer
C. Leukonychia
Explanation
Leukonychia is the correct answer for the technical term of white spots or whitish discoloration of the nails. Leukonychia is a condition that can be caused by various factors such as trauma, nutritional deficiencies, infections, or underlying medical conditions. It is characterized by the presence of white patches or lines on the nails, and it can affect one or multiple nails.
20.
Agnail is a condition of:
Correct Answer
A. Splitting of the cuticles
Explanation
Agnail is a condition characterized by the splitting of the cuticles. Cuticles are the thin layers of skin that protect the base of the nails. When the cuticles split, it can cause pain, discomfort, and potential infection. This condition can be caused by various factors such as excessive dryness, trauma, or improper nail care. Splitting of the cuticles can be treated by keeping the nails and cuticles moisturized, avoiding harsh chemicals, and practicing good nail hygiene.
21.
Blue or discolored nails is a condition that may be a sign of:
Correct Answer
D. Poor blood circulation
Explanation
Blue or discolored nails can be a sign of poor blood circulation. When blood flow to the fingers or toes is restricted, it can result in a bluish or discolored appearance of the nails. This can be caused by various factors such as peripheral artery disease, Raynaud's disease, or even heart or lung disorders. Inadequate blood circulation can prevent oxygen-rich blood from reaching the extremities, leading to discoloration. Therefore, if someone has blue or discolored nails, it is important to consider poor blood circulation as a potential underlying cause.
22.
Uneven growth of the nails, usually the result of illness or injury, can cause:
Correct Answer
B. Corrugations
Explanation
Corrugations refer to the presence of ridges or grooves on the surface of the nails. Uneven growth of the nails, often caused by underlying health conditions or physical trauma, can lead to the development of these ridges. Therefore, corrugations can be a result of illness or injury affecting the nails.
23.
Carefully buffing the nails and applying a ___ is helpful when manicuring a client with corrugations.
Correct Answer
B. Ridge filler
Explanation
When manicuring a client with corrugations, buffing the nails and applying a ridge filler is helpful. Corrugations refer to ridges or grooves on the surface of the nails. Buffing helps to smooth out these ridges, making the nails appear more even and polished. However, buffing alone may not be enough to completely fill in the ridges. This is where a ridge filler comes in. A ridge filler is a product specifically designed to fill in and smooth out the ridges on the nails, creating a smooth and even surface for nail polish application. Therefore, applying a ridge filler is essential in achieving a flawless manicure for a client with corrugations.
24.
Cutting off too much cuticle can result in:
Correct Answer
C. Hangnails
Explanation
Cutting off too much cuticle can result in hangnails. This is because the cuticle acts as a protective barrier for the nail, and when it is cut too aggressively, it can cause the skin around the nail to become dry and irritated. This can lead to the formation of hangnails, which are small, painful tears in the skin.
25.
Eggshell nails have a thin nail plate and are noticeably ___ than normal.
Correct Answer
C. More flexible
Explanation
Eggshell nails have a thin nail plate, which makes them more prone to breakage and damage. Therefore, they are less rigid and more flexible compared to normal nails. The thinness of the nail plate reduces its strength, making it more flexible and less resistant to pressure or bending. This flexibility can be a characteristic feature of eggshell nails, distinguishing them from normal nails.
26.
Darkening of the fingernails or toenails is called:
Correct Answer
B. Melanonychia
Explanation
Melanonychia refers to the darkening of the fingernails or toenails. This condition can be caused by an increase in melanin production in the nail matrix, which is responsible for nail growth. Melanonychia can be temporary or permanent and may be associated with various factors such as trauma, medications, hormonal changes, or underlying medical conditions. It is important to consult a healthcare professional for an accurate diagnosis and appropriate treatment if necessary.
27.
The medical term for the wasting away of the nail is:
Correct Answer
C. Onychatropia
Explanation
Onychatropia is the correct answer because it refers to the wasting away or atrophy of the nail. "Felon" is a term used to describe a type of finger infection, "onychoptosis" refers to the shedding or falling off of the nail, and "melanonychia" is the darkening or discoloration of the nail.
28.
Hypertrophy of the nail is also known as:
Correct Answer
B. Onychauxis
Explanation
Hypertrophy of the nail refers to the abnormal thickening or overgrowth of the nail. This condition is commonly known as onychauxis. Pterygium refers to the growth of excess skin on the nail fold, onychatrophia refers to the atrophy or wasting away of the nail, and onyx simply refers to the nail itself. However, onychauxis specifically describes the excessive thickening of the nail, making it the correct answer in this case.
29.
When one or both edges of the nail plate fold at 90 degrees or more into the soft tissue of the nail margins, the disorderis called:
Correct Answer
C. Plicatured nail
Explanation
A plicatured nail is a disorder where one or both edges of the nail plate fold at 90 degrees or more into the soft tissue of the nail margins. This condition can cause pain, discomfort, and inflammation in the affected area. It is characterized by a deep groove or fold in the nail, which can make it difficult to trim or maintain the nail properly. Treatment options for a plicatured nail may include trimming the nail carefully, using protective padding, or in severe cases, surgical intervention.
30.
Onychorrhexis is characterized by abnormally brittle nails with:
Correct Answer
D. Striations of the nail plate
Explanation
Onychorrhexis is a condition that is characterized by abnormally brittle nails. The nails become weak and easily breakable, leading to the formation of striations or ridges on the surface of the nail plate. These striations are visible lines or grooves that run vertically or horizontally across the nail. The other options mentioned, such as overgrowth of the nail, increased crosswise curvature, and cone-shaped free edges, are not associated with onychorrhexis.
31.
Pterygium can be recognized by:
Correct Answer
A. Foward growth of the eponychium
Explanation
Pterygium can be recognized by the forward growth of the eponychium. The eponychium is the thin layer of tissue that covers the base of the nail. In the case of pterygium, this tissue grows forward and covers part of the nail plate, causing it to appear distorted. This abnormal growth can be a sign of a nail disorder or infection. The other options mentioned, such as abnormal brittleness, whitish discoloration, and wavy ridges, are not specific to pterygium and can be seen in other nail conditions as well.
32.
Tile-shaped nails have an increased crosswise curvature throughout the nail plate cause by an increased curvature in the:
Correct Answer
A. Matrix bed
Explanation
Tile-shaped nails have an increased crosswise curvature throughout the nail plate, which is caused by an increased curvature in the matrix bed. The matrix bed is the area at the base of the nail where the nail plate is formed. This increased curvature in the matrix bed leads to the nail plate growing in a more curved shape, resulting in tile-shaped nails. The cuticles, free edge, and nail grooves do not directly contribute to the curvature of the nail plate in this case.
33.
Nail disorders formerly called "molds", characterized by discoloration between the nail plate and artificial nails, are actually caused by:
Correct Answer
D. Bacteria
Explanation
Nail disorders, previously referred to as "molds", are not caused by fungi, viruses, or injury. The correct answer is bacteria. Bacterial infections can lead to discoloration between the nail plate and artificial nails, resulting in nail disorders.
34.
It is safe to perform nail services for clients who have:
Correct Answer
C. Forward growth of the eponychium
Explanation
Performing nail services for clients who have forward growth of the eponychium is safe because this condition refers to the normal growth of the skin at the base of the nail plate. It is not a sign of infection or any other nail condition that would pose a risk during nail services. Tinea pedis, fungus on the nails, and paronychia are all conditions that can be contagious or indicate an infection, so it would not be safe to perform nail services for clients with these conditions.
35.
Vegetable parasites are commonly known as:
Correct Answer
D. Fungi
Explanation
Vegetable parasites are commonly known as fungi. Fungi are a group of organisms that obtain nutrients by feeding on other organisms, including plants. They are known for their ability to cause diseases in plants, such as powdery mildew or rust. Fungi reproduce through spores and can be found in various forms, including mushrooms, molds, and yeasts. They play an important role in ecosystems as decomposers, breaking down organic matter and recycling nutrients.
36.
A bacteria that can cause nail infection when artificial product such as tips and wraps are applied under sanitary condition is:
Correct Answer
D. Pseudomonas aeruginosa
Explanation
Pseudomonas aeruginosa is a bacteria that can cause nail infections when artificial products such as tips and wraps are applied under sanitary conditions. This bacteria is known for its ability to thrive in moist environments, making it a common cause of infections in nail salons. It can enter the skin through small cuts or breaks and cause redness, swelling, and pus-filled blisters around the nails. Prompt treatment is necessary to prevent the infection from spreading.
37.
Nail disease or deformity in general is called:
Correct Answer
C. Onychosis
Explanation
Onychosis is the correct answer because it refers to any disease or deformity of the nails. It is a general term used to describe various conditions that affect the nails, such as infections, fungal growth, trauma, or structural abnormalities. Onyx, onychauxis, and onychophagy are not the correct answers as they refer to specific conditions or behaviors related to the nails.
38.
Paronychia, which affects the tissue sorrounding the nail, is a/an:
Correct Answer
B. Bacterial inflammation
Explanation
Paronychia is a bacterial inflammation that affects the tissue surrounding the nail. It is characterized by redness, swelling, and pain around the nail. This condition is commonly caused by bacteria entering the skin through a cut or break in the skin near the nail. Treatment usually involves antibiotics and keeping the affected area clean and dry.
39.
An inflammation called onychia affects the:
Correct Answer
D. Matrix bed
Explanation
Onychia is an inflammation that specifically affects the matrix bed of the nail. The matrix bed is the area at the base of the nail where the nail plate is formed. When this area becomes inflamed, it can cause pain, swelling, and redness. Onychia can be caused by various factors such as trauma, infection, or underlying medical conditions. Treating the inflammation and addressing the underlying cause is important to alleviate symptoms and promote nail health.
40.
Onycholysis is commonly called:
Correct Answer
C. Ingrown nails
Explanation
Onycholysis refers to the separation of the nail from the nail bed, commonly caused by trauma or infection. It is not associated with being bitten or having ingrown nails. Felon is a term used to describe an infection of the fingertip pulp, which is unrelated to onycholysis. Ringworm is a fungal infection that affects the skin, not the nails. Therefore, the correct answer is ingrown nails, as it is a condition that involves the nail growing into the surrounding skin, causing pain and discomfort.
41.
"Ram's horn nail," technically as onychogryposis, most commonly affects the:
Correct Answer
B. Great toe
Explanation
Onychogryposis, commonly known as "Ram's horn nail," is a condition characterized by the thickening and overgrowth of the nails. It most commonly affects the great toe, causing the nail to become abnormally curved and resembling the shape of a ram's horn. This condition is often associated with aging, trauma, poor circulation, or underlying medical conditions such as psoriasis or fungal infections. The thickened nail can cause discomfort and difficulty in trimming or wearing shoes properly. Therefore, the great toe is the most likely digit to be affected by onychogryposis.
42.
Onycholysis is the:
Correct Answer
B. Loosening of the nail
Explanation
Onycholysis refers to the loosening of the nail. It occurs when the nail plate separates from the nail bed, leading to a gap between the two. This condition can be caused by various factors such as trauma, fungal infections, psoriasis, thyroid disorders, and certain medications. The loosening of the nail can result in pain, discomfort, and changes in the appearance of the nail. Treatment options for onycholysis depend on the underlying cause and may include addressing the root cause, keeping the affected area clean and dry, and sometimes, medication or surgical intervention.
43.
One common symptom shared by onychomadesis, onychoptosis, and onychia is:
Correct Answer
B. Shedding of the nail
Explanation
Onychomadesis, onychoptosis, and onychia are all conditions that involve the shedding of the nail. Onychomadesis refers to the separation of the nail from the nail bed, leading to its eventual shedding. Onychoptosis is the medical term for nail shedding, where the nail becomes loose and falls off. Onychia is inflammation of the nail bed, which can cause the nail to become weak and eventually shed. Therefore, shedding of the nail is a common symptom shared by all three conditions.
44.
Ringworm is technically known as:
Correct Answer
C. Tinea
Explanation
Ringworm is a common fungal infection of the skin, hair, or nails. It is caused by various species of fungi known as dermatophytes. The term "tinea" is used to refer to different types of fungal infections, including ringworm. Therefore, tinea is the correct technical term for ringworm. Onychia refers specifically to inflammation of the nail bed, agnail refers to a torn or detached piece of skin near the nail, and onychocryptosis refers to an ingrown toenail.
45.
A lump of red tissue grows from the nail bed to the nail plate in the nail inflammation called:
Correct Answer
B. Pyogenic granuloma
Explanation
A pyogenic granuloma is a type of nail inflammation where a lump of red tissue grows from the nail bed to the nail plate. This condition is characterized by the rapid growth of blood vessels and connective tissue, leading to the formation of a fleshy bump. It is often caused by trauma or injury to the nail, and it can be painful and prone to bleeding. Treatment typically involves surgical removal of the granuloma and addressing the underlying cause of the inflammation.
46.
Tinea Pedis is the medical term for:
Correct Answer
B. Athlete's foot
Explanation
Tinea Pedis is the medical term for athlete's foot. This condition is a fungal infection that affects the skin on the feet, causing itching, redness, and peeling. It is commonly found in warm and moist environments such as locker rooms or swimming pools. Ingrown nails, ringworm of the nails, and ringworm of the scalp are different conditions that do not fall under the medical term Tinea Pedis.
47.
The common term for tinea unguium is:
Correct Answer
B. Ringworm of the nails
Explanation
The common term for tinea unguium is "ringworm of the nails". Tinea unguium is a fungal infection that affects the nails, causing them to become thick, discolored, and brittle. It is commonly referred to as ringworm of the nails because it is caused by the same type of fungus that causes ringworm infections on the skin. Athlete's foot is a different fungal infection that affects the skin of the feet, while ringworm of the scalp and honeycomb ringworm are specific types of ringworm infections that affect the scalp and skin, respectively.
48.
Whitish patches that can be scraped off the nail surface are characteristic of a common form of:
Correct Answer
A. Tinea unguium
Explanation
Whitish patches that can be scraped off the nail surface are characteristic of tinea unguium, also known as a fungal nail infection. This condition is caused by a fungal infection that affects the nails, leading to discoloration, thickening, and crumbling of the nails. The whitish patches that can be scraped off are typically a result of the buildup of fungal debris under the nail. Felon refers to an infection of the fingertip, pyogenic granuloma is a benign vascular growth, and onychoptosis refers to the shedding or loss of nails, none of which are associated with whitish patches that can be scraped off the nail surface.
49.
A client with an infected finger can be treated by a/an:
Correct Answer
B. pHysician
Explanation
A client with an infected finger can be treated by a physician because they are medical professionals who have the knowledge and expertise to diagnose and treat various medical conditions, including infections. Physicians have the necessary training to prescribe antibiotics or other appropriate medications, perform procedures such as draining abscesses, and provide follow-up care to ensure proper healing. In contrast, an instructor, cosmetologist, or nail technician may not have the medical training or qualifications to effectively treat an infected finger.
50.
Removing any artificial nails is the only service you can perform for a client with:
Correct Answer
D. A nail fungus infection
Explanation
A nail fungus infection is the only condition mentioned that requires the removal of artificial nails. Artificial nails can worsen the infection and hinder the healing process. Blue nails, pterygium, and onychomadesis are not specifically mentioned as conditions that require the removal of artificial nails.