Neurophysiology & Consciousness

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laulauspille
ID:
216524
Filename:
Neurophysiology & Consciousness
Updated:
2013-04-29 05:37:54
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Neurophysiology Consciousness nNMIH201 nScience Modules
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Neurophysiology & Consciousness NMIH201 Science Modules
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  1. The period after an intitial stimulus when a neuron is not sensitive to another stimulus is the _____.
    A) Resting period
    B) Depolarization
    C) Absolute refractory period
    D) Repolarization
    C) Absolute refractory period
    (this multiple choice question has been scrambled)
  2. The part of the neuron that conducts impulses away from the its cell body is called a/an ____.
    A) axon
    B) dendrite
    C) neurolemma
    D) schwann cell
    A) axon
    (this multiple choice question has been scrambled)
  3. The substance released at axon terminals to propagate a nervous impulse is called a/an ??
    A) biogenic amine
    B) neurotransmitter
    C) ion
    D) cholinesterase
    B) neurotransmitter
    (this multiple choice question has been scrambled)
  4. Immediately after an action potential has peaked, which cellular gates open?
    A) sodium
    B) chloride
    C) calcium
    D) potassium
    D) potassium
    (this multiple choice question has been scrambled)
  5. Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials? 
    A) leakage channel
    B) mechanically gated channel
    C) voltage gated channel
    D) ligand gated channel
    C) voltage gated channel
    (this multiple choice question has been scrambled)
  6. An impulse from one nerve cell is communicated to another nerve cell via the ??
    A) synapse
    B) effector
    C) cell body
    D) receptor
    A) Synapse
    (this multiple choice question has been scrambled)
  7. The brain stem consists of the _____?
    A) pons, medula, cerebellus and midbrain
    B) cerebrum, pons, midbrain and medulla
    C) midbrain, medulla and pons
    D) midbrain only
    C) midbrain, medulla and pons
    (this multiple choice question has been scrambled)
  8. The vital centers for the control of heart rate, respiration and blood pressure are location in the _____?
    A) cerebrum
    B) midbrain
    C) pons
    D) medulla
    D) medulla
    (this multiple choice question has been scrambled)
  9. Which of the following best describes the cerebrum?
    A) visceral command center
    B) motor command center
    C) decussation center
    D) executive suite
    D) executive suite
    (this multiple choice question has been scrambled)
  10. Broca's area ______?
    A) corresponds to Brodmann's area 8
    B) serves the recognition of complex objects
    C) is usually found in the right hemisphere
    D) is considered a motor speech area
    D) is considered a motor speech area
    (this multiple choice question has been scrambled)
  11. Injury to the hypothalamus may result in all the following EXCEPT?
    a) pathologic sleep
    b) loss of body temperature 
    c) production of excessive quantities of urine
    d) loss of proprioception
    • All but d) loss of proprioception
    • Injury to the hypothalamus may result in pathologic sleep, loss of body temp and excessive quantities of urine production
  12. The brain area that regulates activities that control the state of wakefulness or alertness of the cerebral cortex is the _______.
    A) reticular formation
    B) thalamus
    C) pyramids
    D) limbic system
    A) reticular formation
    (this multiple choice question has been scrambled)
  13. Which statement about coma is true?
    A) Coma is defined as total unresponsiveness to stimuli for a long period of time
    B) Coma is neurologically identical to syncope
    C) During coma, brain oxygen consumption resembles that of a waking state
    D) Coma is rarely caused by damage to brain stem structures
    A) Coma is defined as a total unresponsiveness to stimuli for a long period of time
    (this multiple choice question has been scrambled)
  14. Which brain waves are NOT normal for awake adults but are common for children?
    A) Theta
    B) delta
    C) alpha
    D) beta
    A) Theta
    (this multiple choice question has been scrambled)

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