Neuroanatomy.txt

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Author:
elvinlouie
ID:
224635
Filename:
Neuroanatomy.txt
Updated:
2013-06-22 09:33:38
Tags:
neuro
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Description:
neuro
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    • author "Elvin Louie E. Lisondra"
    • tags "Neuroanatomy"
    • description "Mix of Neuroanatomy LE 1, LE 2, UE 1"
    • fileName "Neuroanatomy"
    • freezingBlueDBID -1.0
    • Inhibition of the sodium-potassium pump can be expected to increase which of the following?
  1. a. negativity of the membrane potential
    • b. cell volume
    • c. membrane excitability
    • d. ECF sodum concentration
    • b. cell volume
  2. Diffusion of a positively charged substance out of the cells is increased when there is an increase in:

    A. positively charged ions outside the cell
    B. pressure outside the cell
    C. negativity inside the cell
    D. concentration fo the substance inside the cell
    D. concentration fo the substance inside the cell
    (this multiple choice question has been scrambled)
  3. A drug completely blocks voltage-gated sodium channels in nerves. Which of the following effects on the action potential would it be expected to produce?

    A. blocks the occurrence of action potentials
    B. increase the rate of rise of the upstroke of the action potential
    C. shorten the absolute refractory period
    D. abolish the hyperpolarizing afterpotential
    A. blocks the occurrence of action potentials
    (this multiple choice question has been scrambled)
  4. The repolarization phase of the action potential is due to:

    A. activation of the sodium-potassium pump
    B. diffusion of sodium into the cell
    C. diffusion of chloride into the cell
    D. diffusion of potassium out of the cell
    D. diffusion of potassium out of the cell
    (this multiple choice question has been scrambled)
  5. The venous sinus dura drain which of the following?

    A. dura matter
    B. brain and cerebellum
    C. skull
    D. subdural space
    B.
    (this multiple choice question has been scrambled)
  6. What is located between the superior and inferior sagittal sinus?

    A. falx cerebelli
    B. falx cerebri
    C. tentorium cerebelli
    D. diaphragm sella
    B.
    (this multiple choice question has been scrambled)

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