Eye movements would be compromised by damage to the ________.
A. vestibulocochlear nerve
B. vagus nerve
C. accessory nerve
D. trochlear nerve
Answer: D
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Answer the following statements true (T) or false (F)
1. The alveolar ventilation rate is the best index of effective ventilation. 2. In chronic bronchitis, mucus production is decreased and this leads to the inflammation and fibrosis of the mucosal lining of the bronchial tree. 3. Labored breathing is termed dyspnea 4. The largest amount of carbon dioxide is transported in the bloodstream in the form of carbonic anhydrase. 5. Increased temperature results in decreased O2 unloading from hemoglobin.
The process of transduction associated with membrane receptors is inextricably linked to
a. a stimulus interacting with peripheral membrane proteins. b. ion channels present in the membrane. c. the establishment of a transmembrane potential. d. ions moving up their concentration gradient. e. none of these.
A protective function of the respiratory system would be
A. altering blood pH by changing blood CO2 levels. B. olfaction by drawing molecules into the nasal cavity. C. producing ACE which helps regulate blood pressure. D. preventing microorganisms from entering the body.
The sustentacular cells
A. mature to form sperm cells. B. produce testosterone. C. provide nourishment for development of sperm. D. cover and protect most of the testes. E. produce seminal fluid.