The binding of toll-like receptors on dendritic cells and macrophages to LPS from bacteria stimulates the secretion of ________.
A. PAMPs
B. cytokines
C. peptidoglycans
D. complement
Answer: B
Anatomy & Physiology
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What is the inner most layer of an artery made of?
a. connective tissue b. smooth muscle c. endothelium d. elastin fibers e. collagen fibers
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Muscle contraction can occur when:
A) I bands remain unchanged. B) sarcomeres shorten. C) myosin filaments shorten. D) A bands lengthen.
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Which of the following cranial nerves is mispaired?
A. Facial - VII B. Abducens - V C. Accessory - XI D. Oculomotor - III
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The ________ of the small intestine is/are similar to the ________ of the stomach
A) rugae; Peyer patches B) pyloric sphincter; ileocecal valve C) goblet cells; parietal cells D) intestinal crypts; gastric pits E) villi; pyloric glands
Anatomy & Physiology