CBNS 120 MT 1 Review

CBNS 120 MT 1 Review

University

15 Qs

quiz-placeholder

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CBNS 120 MT 1 Review

CBNS 120 MT 1 Review

Assessment

Quiz

others

University

Hard

Created by

Lena Luc

Used 1+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

1. Em deviates at low [K+]o primarily due to
driving force for K+
Na+/K+ ATPase
Na+ conductance
Ca2+ conductance

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

2. How do invertebrates typically increase conduction velocity?
myelination
glial cells
increase axon radius
saltatory conduction

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

3. Driving force is described as:
Vm + Ex
Vm - Ex
(Vm)(Ex)
Ex - Vm

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

4. In a voltage clamp experiment:
membrane voltage is kept constant
membrane voltage is manipulated
membrane current is kept constant
action potentials are recorded

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

5. Which of the following is true regarding a voltage-gated K+ channel?
contains 4 voltage sensors
contains 6 transmembrane segments per subunit
blocked TEA
blocked by TTX

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

6. The Goldman equation takes into account the effects of
voltage-gated Ca2+ channels
Na+/K+ ATPase
leak K+ channels
Cl- movement

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

7. To increase the conduction velocity in an unmyelinated axon, you can increase
time constant
internal resistance
length constant
axon radius

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