Hypersecretion of which of the following hormones causes increased metabolic rate, sensitivity to heat, weight loss, and exophthalmos?
A. parathyroid hormone
B. estrogen
C. cortisol
D. thyroid hormone
E. growth hormone
D
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The pituitary gland is located in the
A. cribriform plate. B. mandibular fossa. C. sphenoidal sinus. D. sella turcica.
While looking at a sample of blood in a microscope, you see a purple-stained cell that is markedly larger than a red blood cell (about two to three times larger). It has a large kidney-shaped nucleus. What type of blood cell is this?
A. An eosinophil B. A basophil C. A neutrophil D. A monocyte
Gallstones may form if
A. hepatic cells secrete too much HCl. B. bile is too concentrated. C. the pH of the gallbladder becomes too alkaline. D. the liver is lacerated.
Solution 1 has two solutes (A and B) and an osmotic pressure of 250 mOsm. Solution 2 has only one solute (C) and an osmotic pressure of 300 mOsm. If a membrane between these solutions is permeable to only water and B, then
a. Solution 1 will gain water from solution 2. b. Solution 2 will gain water from solution 1. c. Some of solute C will move into solution 1. d. Solution 1 has a higher osmotic pressure. e. Solution 1 would be hypertonic to a human cell.