Which of the following increases the rate of gas exchange across the respiratory membrane?
A. increased fluid in the alveoli
B. increased thickness of the respiratory membrane
C. increased surface area of the respiratory membrane
D. increased connective tissue in the alveolar wall
E. decreased surface area of the respiratory membrane
C
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During which of following periods does the largest volume of blood enter the arteries?
a) atrial diastole b) ventricular diastole c) atrial systole d) ventricular systole
Discontinuous capillaries form large channels known as sinusoids that are 100 times wider than traditional capillaries
a. True b. False Indicate whether the statement is true or false
One division of the autonomic nervous system stimulates your salivary glands to secrete a watery solution of enzymes, and the other division stimulates them to secrete mucus. Together, these secretions constitute the saliva. This is an example of which of the following?
A. An antagonistic effect B. A biofeedback effect C. A sympathetic effect D. A cooperative effect E. A dual effect
Radial (lateral) and ulnar (medial) collateral ligaments restrict side-to-side movements of the ________ joint
A) knee B) elbow C) hip D) shoulder E) wrist