Question

question 37
the combining forms that mean
ail\ are:
o kerat/o - and lipo -
o trich/o - and pilo -
o coni/o - and dacryo -
o unguin/o - or onycho -

question 38
the outer layer of skin is called the:
o dermis
o paradermis
o epidermis
o subdermis

question 39
the disease smallpox is caused by a highly contagious _ and is characterized by prostration, a vesicular - pustular rash, and fever.
o virus
o bacteria
o rickettsia
o helminth or ascaris

Explanation:

• Question 37:
• kerat/o -: Keratin (a protein in nails, hair, etc.). lipo -: Fat. So this pair is incorrect.
• trich/o - and pilo -: Both mean hair. Incorrect for nail.
• coni/o -: Dust. dacryo -: Tears. Incorrect.
• unguin/o - or onycho -: Both mean nail.
• Question 38:
• dermis: Inner layer of skin.
• paradermis: Not a standard term for skin layer.
• epidermis: Outer layer of skin.
• subdermis: Not a standard term for skin layer.
• Question 39:
• Smallpox: Caused by the variola virus. Bacteria cause diseases like strep throat. Rickettsia cause diseases like typhus. Helminth or ascaris are worms (helminths) and a type of roundworm (ascaris) respectively, not related to smallpox.

Answer:

• Question 37: unguin/o - or onycho -
• Question 38: epidermis
• Question 39: virus