Neurobiology MCQ
1. The body makes antibodies against its own myelin in the diseases of ________ and ________.
Answer
Correct Answer:
Guillain-Barré syndrome, multiple sclerosis
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2. Just over _____ children had hemispherectomies at johns hopkins between 1975 and 2001.
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3. Blindsight suggests that some parts of the brain may play a special role in ___________________
Answer
Correct Answer:
Consciousness
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4. According to piaget, a stage-five sensorimotor baby is like a _____.
Answer
Correct Answer:
Scientist who experiments to see what will happen
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5. In the human retina, messages go from receptors at the back of the eye to ____.
Answer
Correct Answer:
Bipolar cells
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6. In this simulation, ___________________ will be used to stimulate the axon.
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7. When the stimulus voltage is increased, _______.
Answer
Correct Answer:
A greater-than-threshold depolarization results and sodium permeability into the cell increases to overcome the potassium exiting
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8. From birth until age 2, dendrites in the cortex increase _____.
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9. A neuron will fire if excitatory signals are stronger than _____ signals.
Answer
Correct Answer:
INHIBITORY
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10. Action potentials differ from graded potentials in that __________.
Answer
Correct Answer:
Action potentials are all of the same magnitude
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11. _______________ is a category of ai that attempts to emulate the way the human brain works.
Answer
Correct Answer:
Neural network
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12. __________ causes a person to lapse abruptly into rem sleep from the awake state.
Answer
Correct Answer:
Narcolepsy
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13. Kosslyn's island experiment used the _____ procedure.
Answer
Correct Answer:
Mental scanning
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14. During free fusion, the eyes _______ in order to view a stereogram without a stereoscope.
Answer
Correct Answer:
Converge or diverge
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15. Propelling neural signals is a function of __________ neurotransmitters.
Answer
Correct Answer:
Excitatory
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16. Focal hand dystonia, sometimes called "musician's cramp", is caused by ____.
Answer
Correct Answer:
Extreme overlap of cortical representation of the fingers following excessive practice
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17. The cerebellum is __________ to the cerebrum.
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18. The brain stem consists of the ________
Answer
Correct Answer:
All of these
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19. The brain has ______ major parts and they are called the ______.
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20. Males' mental ability scores show greater ________ than females' mental ability scores.
Answer
Correct Answer:
Variability
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21. The ____ nucleus of the thalamus is associated with pain perception of the body.
Answer
Correct Answer:
Ventral posteriord
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22. In olfaction, activation of g-protein-coupled receptors leads to the formation of __________.
Answer
Correct Answer:
Cyclic AMP
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23. Acetylcholine binds to its receptor in the sarcolemma and triggers __________.
Answer
Correct Answer:
The opening of ligand-gated cation channels
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24. A(n) ________ amino acid can be synthesized in your body.
Answer
Correct Answer:
Non-essential
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25. The anterior lobe of the highlighted structure secretes all of the following except ___.
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26. ___ carry motor commands from the brain along the spinal cord.
Answer
Correct Answer:
Descending tracts
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27. Coping with loss __________.
Answer
Correct Answer:
Is a continuous process
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28. Motor neuron terminals at the neuromuscular junction release ______________ onto motor endplates.
Answer
Correct Answer:
Acetylcholine
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29. "cross bridges" that link between the thick and thin filaments directly involve__________.
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30. The medulla is to the control of ________ as the cerebellum is to the control of ________.
Answer
Correct Answer:
Breathing; walking
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31. All of the information your brain receives __________.
Answer
Correct Answer:
Instantly transmitted
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32. All of the following are taste sensations except __________.
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33. The parasympathetic nervous system is to _____ as the sympathetic nervous system is to _____.
Answer
Correct Answer:
Both b and c above are correct .
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34. Within the limbic system, sensory information is to emotion as the _____ is to the _____.
Answer
Correct Answer:
Thalamus; amygdala
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35. Within the brain, ____________ receive, integrate, and generate messages.
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36. When the stimulus intensity increases, _______.
Answer
Correct Answer:
The number of action potentials increases
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37. Increase in stimulus intensity _______.
Answer
Correct Answer:
Increases the frequency of action potentials
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38. The simplest level of information processing takes place at the __________.
Answer
Correct Answer:
Axon hillock
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39. The rate with which an action potential travels along an axon _______.
Answer
Correct Answer:
Is called the conduction velocity and is measured in meters/sec
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40. Associative long-term potentiation reflects increased ________ produced by changes in ________.
Answer
Correct Answer:
Calcium entry; NMDA receptors
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Biology MCQs | Topic-wise
