T cells bind to antigens that have been engulfed, digested, and presented on the surface of a(n) ____

a. macrophage
b. basophil
c. eosinophil
d. monocytes


Answer: a. macrophage

Anatomy & Physiology

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During which event are the primary germ layers formed?

A. Implantation B. Cleavage C. Conception D. Organogenesis E. Gastrulation

Anatomy & Physiology

When you cry, your nose becomes runny because your eye fills with tears produced by the lacrimal gland. The tears drain through the superior and inferior canniculi, enter the lacrimal sac, and drain out through the ________  ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which of the following vitamins is mismatched with its function?

A. vitamin D - bone growth B. vitamin A - rhodopsin synthesis C. folate - synthesis of clotting factors D. vitamin C - collagen synthesis E. vitamin B12 - red blood cell production

Anatomy & Physiology

The ___________ nervous system facilitates increased blood flow to the penis by facilitating local release of __________

A. sympathetic, nitric oxide B. sympathetic, norepinephrine C. parasympathetic, nitric oxide D. parasympathetic, norepinephrine E. somatic, acetylcholine

Anatomy & Physiology