Which portion of the fibula articulates with the talus?
A) calcaneus
B) medial malleolus
C) head
D) lateral malleolus
D
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If the pons was damaged, which of the following functions would be affected?
A) breathing B) control of blood pressure C) coordination D) sleep patterns E) judgment
In diabetes mellitus, why does polyuria occur?
A) Hyperglycemia causes some glucose to remain in the renal tubules which pulls water with it by osmosis. B) Hyperglycemia causes increased permeability of the renal tubules to water. C) Hypoglycemia causes the excretion of a dilute urine. D) A lack of insulin decreases water reabsorption. E) A lack of ADH decreases water reabsorption.
Which of the following statements related to the "ON pathway" of the visual system is correct?
A. Bipolar cells fire action potentials only when bright light strikes the photoreceptors linked to them. B. Bipolar cells spontaneously depolarize in the absence of input from photoreceptor cells. C. Bipolar cells hyperpolarize in the absence of input from photoreceptor cells. D. Glutamate receptors on bipolar cells are excitatory. E. Only cones are associated with bipolar cells of the "ON pathway," rods are not.
How do the functions of Schwann cells differ from those of satellite cells?
What will be an ideal response?