The multiple nuclei in skeletal muscle cells are the result of the
A. fusion of myoblasts.
B. cytokinesis of embryonic satellite cells.
C. spontaneous development of nuclei in embryonic cells.
D. stimulation of fibroblasts by hormones.
E. action of testosterone on mesenchyme cell.
A
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In the blood is
a. the pressure exerted by the amount of oxygen dissolved in the blood b. the most important factor determining the percent saturation of hemoglobin c. normal in carbon monoxide poisoning d. only a and b e. a, b, and c
100 mg/dL is a typical blood concentration of glucose. The molecular weight of glucose is approximately 180 daltons. What is the molarity of this solution in millimoles?
A) 10 B) 100 C) 0.56 D) 5.6 E) 18
Which of the following statements explains why decubitus ulcers are of concern in elderly patients?
A. Elderly individuals have increased sebum secretion that provides more nutrients to the bacteria that cause decubitus ulcers. B. Elderly individuals have more fragile skin due to loss of collagen fibers in the dermis, increasing the likelihood of tissue damage. C. Elderly individuals have higher amounts of collagen in the skin that increases the likelihood of bacterial infection. D. Elderly individuals are more likely to fall and experience abrasions due to loss of balance.
Which organ is found in the hypogastric region of the abdominopelvic cavity?
A) Spleen B) Urinary bladder C) Stomach D) Gallbladder