Action potentials are primarily associated with the membranes of
A) axons only.
B) dendrites only.
C) cell bodies and axons.
D) dendrites and axons.
E) cell bodies only.
A) axons only.
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What would you expect a cardiologist to recommend if there was substantial occlusion to a patient's left coronary artery but not the right coronary artery?
A. Because there are multiple alternate paths for blood delivery, the cardiologist would not intervene. B. Because this is a relatively small, unimportant artery, the cardiologist would not intervene. C. Because this is an important artery, and alternate vascular paths are inadequate, the cardiologist would treat the condition. D. Because occlusions require blood to be moved under greater pressure, the cardiologist would prescribe drugs to raise blood pressure.
What antibody is present in great amounts in breast milk?
a. IgA b. IgE c. IgM d. lactoferrin e. Lactobacillus bifidus
Muscles that oppose one another are
a. synergists b. levers c. hateful d. antagonists e. fixators
Answer the following questions true (T) or false (F)
1. The sympathetic nervous system increases cardiac output by increasing both heart rate and stroke volume. 2. The sinoatrial (SA) node fires more rapidly at higher body temperatures, increasing cardiac output. 3. When studying, you should actively read the textbook by taking notes and making diagrams.