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Exam (elaborations) Psy Foundations of Physiological Psychology
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Exam (elaborations) Psyc525 Foundations of Physiological Psychology
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Exam (elaborations) Psy 3740 Foundations of Physiological Psychology
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Psy 3740 MCQS solved1. Which process begins after Na influx essentially stops at its plateu
a. Depolarization b. Repolarization c. both d. none
Correct answer (b)
2. The time when K+ is moving out of the cell is called
a. relative refractory period b. absolute refractory period c. both d. none of them
Correct answer (a)
3. The following processes depend on changes in membrane conductance to Na and K.
a. Action potential b. depolarization c. repolarization d. all of them
Correct answer (d)
4. Conductance is reciprocal of
a. permeability b. action potential c. resistance d. depolarization
Correct answer ( c )
5. Propagation of action potential is called
a. Repolarization b. depolarization c. nerve impulse d. none of them
Correct answer ( c )
6. Propagation in nerves normally proceed in
a. one direction b. two direction c. both d. none of them
Correct answer (a)
7. Large diameter fibers propagate action potential at
a. lower velocities b. higher velocities c. equal velocities d. none of them
Correct answer (b)
8. Presynaptic neurons conduct impulses
a. toward the synapse b. away from the synapse c. both correct d. both in correct
Correct answer: (a)
9. Following morphine like substance are found in the thalamus of the brain
a. Enkephalins b. endorphins c. both d. none of them
Correct answer ( c )
10. Following are presumed to act as transmitters in the natural control of pain
a. Enkephalins b. endorphins c. both d. none of them
Correct answer ( c )
11. Following drugs act at the synapse level.
, a. morphine b. strychnine c. tranquilizers d. All
Correct answer (d)
12. Neuron excitability increase in
a. alkalosis b. acidosis c. neutral d. none of them
Correct answer (a)
13. Neuron excitability decreases in
a. alkalosis b. acidosis c. neutral d. none of them
Correct answer (b)
14. Neural excitability is not affected by
a. alkalosis b. acidosis c. neutral d. none of them
Correct answer (d)
15. Inhibitory transmitters may be
a. glycine b. GABA c. both d. none of them
Correct answer ( c )
16. Action potential in nerve fibers differ in
a. magnitude b. duration c. both d. none of them
Correct answer ( c )
17. Reflex arc is made up of a chain of at least
a. two neuron b. three neurons c. four neurons d. five neurons
Correct answer (a)
18. The simplest reflex is
a. spinal reflex b. stretch reflex c. knee jerk d. none of them
Correct answer (a)
19. Reflex center are located
a. through out the neurons system b. in cervical region only
c. thoracic region only d. In lumber region only
Correct answer (a)
20. The medulla oblongata contains reflex centers for control of
a. heart action b. respiration c. vomiting d. all of them
Correct answer (d)
21. The reflex center associated with locomotion are situated in
a. Cerebrum b. cerebellum c. mid brain d. Pons
Correct answer (b)
22. The reflex center associated with temperature regulation are situated in
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