b)Inhibitory; excitatoryIncorrect. Inhibitory synapses turn cells off and excitatory ones turn cells on. c)Augmentation; depletiond)Depletion; augmentation ANS: a, , C, LO=2.2, (1)% correct 89 a= 89 b= 8 c= 3 d= 0 r = .48APA=1.143. Agonist is to antagonist as: a) neuromodulator is to neurotransmitter.b) reuptake is to receptor.c) mimic is to block.Correct. Agonists mimic neurotransmitters by stimulating specific receptor sites, and antagonists block receptor sites.d) block is to mimic.Incorrect. This is the opposite of the correct answer.ANS: c, , C, LO=2.2, (2) APA=1.144. Curare, a poison, works by ________.a)blocking receptor sites and acting as an antagonist for acetylcholine
Correct. This drug acts as an antagonist for acetylcholine. b)stimulating the release of excessive amounts of acetylcholineIncorrect.This drug inhibits the release of acetylcholine.c)stimulating the release of neurotransmittersd)inhibiting the production of inhibitory neurotransmitters ANS: a, , F, LO=2.2, (3)% correct 30 a= 30 b= 26 c= 20 d= 24 r = .23% correct 41 a= 41 b= 24 c= 22 d= 13 r = .22APA=1.145. After being bitten by a black widow spider, Jean starts to convulse. This is a result of ________. Incorrect. The correct answer is d.APA=1.1; 1.346. ________ plays a critical role as a neurotransmitter that stimulates skeletal muscles to contract.a)AcetylcholineCorrect. Acetylcholine is an excitatory neurotransmitter that stimulates muscles to contract. b)GABAIncorrect. GABA is an inhibitory neurotransmitter.c)Dopamined)Endorphin ANS: a, , F, LO=2.2, (1)APA=1.1 47. Sara has been experiencing a serious memory problem. An interdisciplinary team has ruled out a range of causes and believes that a neurotransmitter is involved. Which neurotransmitter is most likely involved in this problem? Incorrect. GABA has a tranquilizing effect.% correct 33 a= 0 b= 26 c=41 d= 33 r = .19APA=1.1; 1.3 48. Which neurotransmitter is associated with sleep, mood, and appetite? Incorrect.GABA is associated with helping calm anxiety.
You've reached the end of your free preview.
Want to read all 44 pages?
- Fall '16