Which function is directly related to the fact that the skeletal system is a mineral reservoir?
A. Communication
B. Movement
C. Electrolyte balance
D. Protection
Answer: C
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The ________ nerve, which arises in the cervical plexus, innervates the diaphragm
A) ansa cervicalis B) lesser occipital C) thoracic D) phrenic E) supraclaviculars
One mechanism the kidney uses to raise systemic blood pressure is to
A) increase secretion of renin by the juxtaglomerular complex. B) decrease secretion of aldosterone. C) increase release of angiotensin II by the adrenal glands. D) increase filtration into glomerular (Bowman's) capsule. E) decrease urinary albumin concentration.
Which of the following statements concerning the dorsal and ventral respiratory groups is false?
A. There is cross communication between these two groups. B. These groups increase the number of action potentials to the respiratory muscles during inspiration. C. They are located in the reticular activating system. D. Two dorsal and two ventral respiratory groups make up the medullary respiratory center. E. These groups establish the basic rate and depth of breathing.
Contact digestion takes place in/at the ________.
A. cytoplasm in the cells of the small intestine B. brush border of the small intestine C. gastric pits D. intestinal crypts E. surface of the gastric mucosa