The “pump” or “pressure-head” for the pulmonary circulation is the:
A. right atrium
B. right ventricle
C. left atrium
D. left ventricle
Answer: B. right ventricle
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Acetyl CoA has the ability to ________.
A. directly form pyruvic acid B. directly enter the citric acid cycle C. be transformed back into glucose if unused D. All of the choices are correct.
When an athlete suffers an injury that results in symptoms of flaccid paralysis of a portion of a muscle, what type of nerve damage has occurred?
A) A lower motor neuron has been damaged. B) An upper motor neuron has been damaged. C) There is a CNS injury, but no injury to the muscle. D) No nerve has been damaged; only muscle fibers have been injured. E) None of the answers are correct.
The first heart sound
a. occurs when the AV valves open b. occurs when the semilunar valves close c. signals the onset of ventricular diastole d. occurs when the AV valves close, and signals the onset of ventricular systole e. occurs when the semilunar valves close, and signals the onset of ventricular diastole
Summarize the principle of complementarity of structure and function
What will be an ideal response?