The loop of Henle:
a. is part of the renal corpuscle
b. is part of the renal tubules
c. has a hairpin turn in its structure
d. both B and C above
d. both B and C above
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Initially appendicitis manifests as diffuse pain in the periumbilical region and later as circumscribed pain in the right lower quadrant. Why?
A) Because the appendix swells with appendicitis so that it contacts both the anterior and posterior abdominal walls. B) Because the pain is first conveyed via vagal parasympathetic fibers and then by somatic fibers in the parietal peritoneum of the abdominal wall. C) Because the pain is first conveyed via sympathetic fibers that enter the spinal cord at the T10 level and then by somatic fibers in the parietal peritoneum of the abdominal wall. D) Because the appendix first irritates the subcostal nerve and then the ilioinguinal nerve. E) Because the most sensitive afferents of the appendix are those that are associated with the sympathetic fibers that enter the T10 level of the spinal cord, but later less sensitive afferents associated with the lower quadrant become activated.
How are the components of fats absorbed in the small intestine?
A) Specific receptor proteins carry fatty acids across the intestinal wall and into the bloodstream. B) Fatty acids are transported by active transport to the bloodstream. C) Components of lipids diffuse through small intestinal cell membranes, are reconstructed in the cells, then carried off by lacteals as chylomicrons. D) Components of lipids diffuse through small intestinal cell membranes and into the bloodstream where they are carried to the liver for processing.
Skeletal muscle is called ________, because it is usually subject to conscious control.
A. contractile B. striated C. excitable D. isometric E. voluntary
What is the function of the highlighted organelle?
A. Produces most of the ATP in the cell via cellular respiration B. Synthesizes proteins that inhabit the cytosol C. Regulates transport and modifies newly synthesized proteins D. Synthesizes protein for secretion, Insertion into the plasma membrane, and lysosomal enzymes