Which of the following is not a condition that would be considered sensorineural hearing loss?
A. Lesion of the vestibulocochlear nerve
B. Loss of flexibility of the joint between the incus and the stapes
C. Degeneration of the hair cells near the base of the spiral organ
D. All of the choices are conditions considered to be sensorineural hearing loss.
Answer: B
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Which of the following receptor types is not found in the digestive tract?
a. chemoreceptor b. osmoreceptor c. proprioceptors d. mechanoreceptor e. none of these.
Careful measurements of GFR are made by injection of ________, but approximations of GFR can be made more simply by measuring renal plasma clearance of ________.
A. creatinine; inulin B. inulin; creatinine C. creatine phosphate; insulin D. insulin; creatine phosphate
During hyperventilation, why do some people detect a tingling sensation in their hands and feet?
A) a decrease in carbon dioxide in blood B) an increase in carbon dioxide in blood C) widespread release of catecholamines D) hyperexcitability of afferent neurons E) a decrease in blood flow to the distal extremities
Which of the following is true concerning oxygen in regards to aerobic respiration?
A) It directly receives electrons and protons from NAD+ and FAD. B) It is the final electron acceptor in aerobic respiration. C) It is the only substrate of aerobic respiration. D) It directly transfers electrons and protons to NAD+ and FAD. E) It transports electrons to the mitochondrion.