Most activated B-lymphocytes differentiate into
A. memory helper T-lymphocytes.
B. macrophages.
C. plasma cells.
D. antigen-presenting cells.
C
Anatomy & Physiology
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Which of the following is/are scalar quantities?
A. force B. mass C. velocity D. all of the above
Anatomy & Physiology
What structure contains the receptor cells for hearing?
What will be an ideal response?
Anatomy & Physiology
Skeletal muscle can be tetanized; can heart muscle also be tetanized? Why or why not?
A) Yes, extrasystoles are evidence of tetanus. B) Yes, all muscle can be tetanized. C) No, heart muscle does not show summation and tetanus because of the long refractory period of cardiac muscle cells.
Anatomy & Physiology
The most important muscle associated with breathing is the
A. diaphragm. B. quadratus lumborum. C. external intercostal. D. intertransversarii. E. rotators.
Anatomy & Physiology