Which is a good description of cardiac muscle fibers?
A) Long, rectangular-shaped cells with multiple nuclei
B) Branched, multinucleate cells with striations
C) Long, spindle-shaped cells with intercalated discs
D) Branched, uninucleate cells with intercalated discs
Answer: D
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Which of the following are cellular fragments?
A. Blood platelets B. White blood cells C. Red blood cells D. Lymphocytes
Which of the choices below is NOT an essential role of salts in the body?
A) anabolism of lipids B) secretory activity C) neuromuscular activity D) membrane permeability
Using Figure 26.3, match the following:
1) The stage called ovulation.
2) Vesicular (Graafian) follicle.
3) Primary follicles.
4) Primordial follicle.
5) Corpus luteum.
6) Mature follicle.
During the resistance phase of the general adaptation syndrome (GAS),
A) lipid reserves are mobilized. B) proteins are conserved. C) blood glucose levels fall drastically. D) levels of growth hormone decrease. E) levels of insulin decrease.