According to the Frank-Starling principle, the cardiac output is directly related to (the)
A) size of the ventricle.
B) heart rate.
C) venous return.
D) thickness of the myocardium.
E) total amount of blood in the cardiovascular system.
C) venous return.
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The vestibular complex is filled with
A) endolymph. B) plasma. C) CSF. D) perilymph. E) None of the answers are correct.
Which of the following is most life threatening?
A) Ventricular flutter B) Atrial flutter C) Atrial fibrillation D) Ventricular fibrillation
Of the two types of synapses, based on mode of communication, which is slower and more common?
A. Magnetic synapse B. Physical synapse C. Electrical synapse D. Mechanical synapse E. Chemical synapse
The hairpin-shaped segment of the nephron is the
A) loop of Henle. B) proximal tubule. C) distal tubule. D) minor calyx. E) vasa recta.