Which muscle tissue type contains myofilaments?
A) Skeletal and smooth
B) Cardiac
C) Smooth, skeletal, and cardiac
D) Skeletal
Answer: C
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Indicate whether the statement is true or false
Schwann's cells begin to form myelin sheaths around axons in the peripheral nervous system
a) when neurons are injured. b) during fetal development. c) after birth. d) only in response to electrical stimulation by neuroglial cells. e) during the early onset of Alzheimer's disease.
The basic unit of heat energy is the kilocalorie, which is the amount of heat required to raise the temperature of 1 g of H2O by 1°C
a. True b. False Indicate whether the statement is true or false
What would happen following a complete parathyroidectomy and no post-surgical pharmacotherapy was initiated?
A. Blood calcium levels could drop to dangerously low levels. B. Blood calcium levels would increase to dangerous levels. C. No net effect on calcium levels over time as the thyroid would enlarge and secrete additional calcitonin to compensate. D. Blood calcium levels would increase slightly, but not to dangerous levels.