If a thyroid tumor secreted an excessive amount of calcitonin, which of the following would we expect to see?
A. An elevated level of osteoclast activity
B. A rise in blood calcium concentration
C. An elevated level of osteoblast activity
D. Increasingly brittle bones
E. A reduced rate of endochondral ossification
Answer: C
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Which of the following plexuses is NOT paired with a peripheral nerve originating from it?
A) brachial - radial nerve B) cervical - phrenic nerve C) lumbar - femoral nerve D) sacral - musculocutaneous nerve
The abbreviation for both eyes is:
A) OS B) OD C) OU D) ON
Nonkeratinized stratified squamous epithelium is found lining each of these locations except the
A. pharynx. B. vagina. C. small intestine. D. oral cavity. E. esophagus.
Regulatory T cells ________
A) aid B cells in antibody production B) may function in preventing autoimmune reactions C) decrease their activity as antigenic stimulus decreases D) release cytokines that increase the activity of cytotoxic T cells and activated B cells