The process of engaging more motor units to increase the strength of a muscle contraction is called ________.
A. complete tetanus
B. recruitment
C. wave summation
D. incomplete tetanus
E. temporal summation
Answer: B
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A gland formed by cells arranged in a blind round pocket with a single unbranched duct would be called
A) simple tubular. B) simple alveolar (acinar). C) compound tubular. D) compound alveolar. E) tubuloacinar.
Which of the following is not true of a thoracic vertebra?
A. It usually has a facet at the end of each transverse process for attachment of a rib. B. The body is more massive than those of cervical vertebrae but less than those of lumbar vertebrae. C. The body has facets as points of articulation for ribs. D. It has a pair of transverse foramina. E. The spinous process is pointed and angled sharply downward.
The fissure separating the frontal, parietal, and temporal lobes is the ____________________.
Fill in the blank(s) with the appropriate word(s).
If the thymus shrank and stopped making hormones in a child, we would expect to see a decrease in the number of:
A) T lymphocytes (T cells). B) B lymphocytes (B cells). C) neutrophils. D) eosinophils.