What are the carrier proteins for glucose diffusion into cells?
A. GLUT4
B. Insulin
C. Glucagon
D. GLUT2
Answer: A
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Which correctly describes a basic renal process?
A. Substances are reabsorbed from the peritubular capillaries into the tubular lumen. B. Fluid is filtered from Bowman's capsule into the glomerulus. C. Substances are actively secreted from glomerular capillaries into Bowman's capsule. D. Fluid moves by bulk flow from glomerular capillaries into Bowman's space. E. Substances are secreted from the tubule into the peritubular capillaries.
Which of the following might trigger erythropoiesis?
A) an increased number of RBCs B) decreased tissue demand for oxygen C) hypoxia of EPO-producing cells D) moving to a lower altitude
What is the main nutrient needed in order to synthesize thyroid hormone?
a. iodine b. iron c. glucose d. protein e. tyrosine
The condition known as goiter can result from too
A) much insulin. B) little TSH. C) much ACTH. D) little iodine in the diet. E) little glucagon.