The most important mineralocorticoid regulator of electrolyte concentrations in extracellular fluids is ________.
A) cortisol
B) insulin
C) glucagon
D) aldosterone
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Question 2) Light passes through the following structures in which order?
A) vitreous humor, lens, aqueous humor, cornea
B) aqueous humor, cornea, lens, vitreous humor
C) cornea, vitreous humor, lens, aqueous humor
D) cornea, aqueous humor, lens, vitreous humor
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Question 3) The prime metabolic effect of cortisol is gluconeogenesis.
Indicate whether the statement is true or false
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Question 4) A patient has a loss of hearing in only one ear. Which of the following is likely to be a result?
A) The patient will not be able to localize the origin of sounds.
B) The patient will have increased sensitivity to sound in the unaffected ear.
C) The patient will have a loss of balance with dizziness and vertigo.
D) The patient will not be able to track objects with the eye on the same side as the hearing loss.
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Question 5) The receptor membranes of gustatory cells are ________.
A) taste buds
B) basal cells
C) gustatory hairs
D) fungiform papillae
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Question 6) Type 2 diabetes mellitus may reflect declining receptor sensitivity to insulin rather than decreased insulin production.
Indicate whether the statement is true or false
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Question 7) The eye muscle that elevates and turns the eye laterally is the ________.
A) inferior oblique
B) medial rectus
C) superior oblique
D) lateral rectus
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Question 8) Leptin is secreted by ________.
A) adipose cells
B) fibroblasts
C) goblet cells
D) lymphocytes
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Question 9) Enteroendocrine cells of the GI tract produce some hormones that are chemically identical to neurotransmitters.
Indicate whether the statement is true or false
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Question 10) Select the correct statement about equilibrium.
A) The weight of the endolymph contained within the semicircular canals against the maculae is responsible for static equilibrium.
B) Hair cells of both types of equilibrium hyperpolarize only, resulting in an increased rate of impulse transmission.
C) Cristae respond to angular acceleration and deceleration.
D) Due to dynamic equilibrium, movement can be perceived if rotation of the body continues at a constant rate.
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