Question

29-1/Both B and T lymphocytes are essential during:

Select one:

a. phagocytosis

b. complement activation

c. innate immunity

d. inflammation

e. cell mediated immunity

2/Which of the following structures equalizes the pressure on the tympanic membrane?

Select one:

a. Auditory tube _

b. Stapedius muscle

c. Cochlear duct

d. Round window

3/The capillaries offer least peripheral resistance to blood flow because:

Select one:

a. they are arranged in parallel _

b. they are innervated by vasodilators nerves

C. the blood flows slowly in them

d. their diameter is small

4/Which of the following steps of bacterial phagocytosis is induced by hydrogen peroxide?

Select one: _

a. Ingestion

b. Digestion

c. Adherence _

d. Chemotaxis

Answer 1

1. T lymphocytes are responsible for Cell mediated immunity and B lymphocytes are responsible for humoral immunity. Neutrophils, macrophages, and B lymphocytes perform phagocytosis. Both B and T lymphocytes are essential during b. compliment activation.

2. Structure Which equalizes the pressure on the tympanic membrane is a.Auditory tube

3. The capillaries offer least peripheral resistance to blood flow because d. their diameter is small

4. The step of bacterial phagocytosis is induced by hydrogen peroxide is a. Ingestion