Mock MCQ

1. The primary purpose of nails is to

• A. Protect the fingers and toes

• B. Assist with certain physical activities

• C. Enhance appearance

• D. Provide sensation

2. 2. Healthy nails are typically described as:

• A. Flexible and shiny

• B. Hard and brittle

• C. Discoloured and pitted

• D. Rough and textured

3. The lunula is a:

• A. Small, white crescent-shaped area at the base of the nail

• B. Visible portion of the nail matrix

• C. Protective layer that covers the nail plate

• D. Fold of skin that surrounds the nail

4. Factors that influence nail health include:

• A. Nutrition and hydration

• B. Age and medications

• C. Hormones and genetics

• D. All of the above

5. 5. A common nail problem caused by a breakdown of the enamel due to acid exposure is known as:
   
   

• A. Nail splitting

• B. Onychomycosis

• C. Dental caries

• D. Leukonychia

6. 6. The outermost protective layer of the tooth is composed primarily of

• A. Enamel

• B. Dentin

• C. Cementum

• D. Pulp

7. 7. The growth rate of nails:
   
   

• A. Is the same for all individuals
  
  

• B. Slows down with age

• C. Is influenced by diet and nutrition

• D. Is primarily determined by genetics

9. 8. Dentin makes up the:
   
   

• A. Outermost layer of the tooth

• B. Middle layer of the tooth

• C. Innermost layer of the tooth

• D. Root of the tooth
  
  

9. 9. Tartar, also known as dental calculus, is primarily formed due to the accumulation of

• A. Plaque

• B. Saliva

• C. Food particles

• D. Minerals

10. 10. The most prevalent type of dental caries is typically caused by:

• A. Acid erosion

• B. Mechanical damage

• C. Bacteria

• D. Excessive fluoride consumption