At rest the heart rate is usually ________ by parasympathetic control.
A) increased
B) unchanged
C) decreased
D) shut down
E) None of the answers are correct.
C) decreased
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Injury to cervical vertebra C3-C4 is particularly problematic because ________
A) several ganglia are near this region that serve the heart B) the greater auricular nerve that serve the parotid gland receive there fibers from here C) the phrenic nerve that serves the diaphragm receives its fibers from here D) part of the brain stem is located here
Heavy consumption of salt substitutes high in potassium can present a serious clinical problem when aldosterone release is not normal
Indicate whether the statement is true or false
When a clot forms in a coronary vessel and obstructs blood flow to the muscle, the condition is referred to as a(n)
A) myocardial infarction. B) pulmonary embolism. C) coronary thrombosis. D) angina pectoris. E) None of the answers are correct.
What bone contains the cribriform plate that has tiny holes for olfactory nerves?
A. Palatine bone B. Sphenoid bone C. Maxilla D. Ethmoid bone