An antigen-presenting cell (APC) is a

A. red blood cell.
B. basophil or helper T cell.
C. memory cell.
D. macrophage or B cell.


Answer: D

Anatomy & Physiology

You might also like to view...

The most prevalent of skeletal muscle fibers in the body are _____ fibers

A.   slow-twitch B.   fast-twitch C.  intermediate

Anatomy & Physiology

The collar bone is the

A. sternum. B. clavicle. C. scapula. D. humerus. E. atlas.

Anatomy & Physiology

The tricuspid valve is closed ________.

A) while the ventricle is in diastole B) when the ventricle is in systole C) while the atrium is contracting D) by the movement of blood from atrium to ventricle

Anatomy & Physiology

CATs and MRIs are used to check for the presence of tumors or the alteration in organ size.

a. true b. false

Anatomy & Physiology