The epithelium that lines the body cavities is known as
A) endothelium.
B) mesothelium.
C) perithelium.
D) metothelium.
E) ectothelium.
Answer: B
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Answer the following statements true (T) or false (F)
1) Muscle that opposes action of prime mover is the synergist. 122 2) Muscle that assists prime mover is the agonist. 123 3) Muscle responsible for producing a particular movement is the agonist. 124 4) The resistance lies between the fulcrum and the applied force in a second-class lever. 125 5) The fulcrum lies between the applied force and the resistance in a third-class lever. 6) The force is applied between the resistance and the fulcrum in a first-class lever.
What term describes hormones that influence the secretion of other hormones?
A. mineralocorticoids B. trophic C. tropic D. allosteric E. teratogen
Compared to carbon dioxide, oxygen has a relatively ________ solubility coefficient and so requires a ________ partial pressure gradient to help diffuse the gas into the blood.
A. high; large B. low; large C. low; small D. high; small
Saltatory conduction of an action potential means that
A. once one action potential is created, it moves down the axon. B. the whole axon depolarizes at the same time. C. one action potential stimulates the production of a new action potential at the adjacent site. D. an action potential is conducted from one node of Ranvier to the next node.