Which of the following would increase the tendency for varicose veins?
a) support stalkings
b) pregnancy
c) elevating the legs
d) walking
Answer: b) pregnancy
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Damage to the pyramidal cells of the cerebral cortex would directly affect
A) perception of pain. B) sight. C) voluntary motor activity. D) hearing. E) balance.
How much ATP can oxidation of a 16 carbon atom fatty acid yield?
A) 2 ATP B) 36 ATP C) 129 ATP D) 18 ATP E) 38 ATP
Glucose-6-phosphate
a) Can be used to make ribose-5-phosphate b) Can be dephosphorylated to glucose c) Can be used to synthesize glycogen d) Can be converted to pyruvic acid e) All of these choices
Matching
A) Sodium ions B) Acetylcholinesterase C) Calcium ions D) Acetylcholine E) Creatine phosphate 27) The final chemical messenger and "trigger" for muscle contraction. It binds to troponin. 28) A neurotransmitter released at motor end plates by the axon terminals. 29) It diffuses across the cell membrane resulting in depolarization. 30) Activates synaptic vesicles in axon terminals to fuse with plasma membrane of axon terminal. 31) Used to convert ADP to ATP by transfer of a high-energy phosphate group. A reserve high-energy compound. 32) Breaks down ACh into its building blocks, rendering it ineffective.