Major innervation for the enteric nervous system is supplied by parasympathetic and sympathetic fibers of the autonomic nervous system
a. True
b. False
Indicate whether the statement is true or false
True
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All of the following factors have been associated with an increased risk for heart disease except ________.
A. being overweight or obese B. eating too much saturated fat C. eating more dietary fiber D. eating too much cholesterol
Which water-soluble vitamin is needed in large quantities for cell division in pregnant women?
What will be an ideal response?
The client asks the nurse about the effects of physical activity on CHD risk. The nurse states that:
a. physical activity is not important in a program to reduce CHD risk. b. weight training can dramatically raise HDL if undertaken regularly. c. diet, rather than physical activity, should be the primary focus of reducing CHD risk. d. 30 minutes of moderate exercise on most days can reverse many risk factors for CHD.
Calcium ions couple excitation of skeletal muscle fiber to contraction of the fiber. Where are calcium ions stored within the fiber?
A. Calcium ions are stored in the sarcoplasmic reticulum. B. Calcium ions are stored in the transverse tubules. C. Calcium ions are stored in the mitochondria. D. Calcium ions are stored in the nuclei.