A joint that has no joint cavity and exhibits little or no movement would be classified as a
A. fibrous joint.
B. synovial joint.
C. complex joint.
D. cartilaginous joint.
E. partial joint.
A
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This figure shows a lateral view of the muscles of facial expression. What muscle does number 1 indicate?
A. Temporalis B. Masseter C. Buccinator D. Sternocleidomastoid E. Platysma
The stroke volume of the heart
1.increases when the end-diastolic volume decreases.
2.increases when the end-systolic volume increases.
3.is independent of autonomic input to the heart.
4. can only be varied by varying end-systolic volume.
5. increases with sympathetic stimulation because the end-systolic volume is decreased.
About 85% of the fluid that moves out of bloodstream at the arterial end of capillary beds is returned to the capillaries at the venous end of the capillary bed. How is the other 15% recovered?
A) it is not recovered; it is excreted by sweat glands and other excretory organs. B) it is collected by lymphatic capillaries and returned to circulation via the lymphatic system. C) it is forced back into venules through the action of surrounding muscles. D) it circulates in interstitial areas, eventually being excreted by the intestine.
An increase in blood volume in the left atrium will ________ ADH secretion.
A. inhibit B. stimulate C. have no effect on