SMTB2

SMTB2

University

7 Qs

quiz-placeholder

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SMTB2

SMTB2

Assessment

Quiz

Biology

University

Medium

Created by

Aygul Nasibullina

Used 1+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On what animal Hodgkin and Huxley registered and showed an action potential?

squid

elephant trunk

mouse

rabbit

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

At the resting state cell...

The resting state cell has a positive resting membrane potential.
The resting state cell is actively firing action potentials.
The resting state cell is in a state of equilibrium with a negative resting membrane potential.
The resting state cell is undergoing rapid cell division.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Negative membrane potential results from

Unequal distribution of ions across the membrane
High concentration of ions inside the cell
Lack of ions across the membrane
Equal distribution of ions across the membrane

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Depolarised state is

Higher negative membrane potential
Less negative or positive membrane potential
Neutral membrane potential
Hyperpolarised state

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Voltage-gated Na+ channels open on responce to

Repolarization
Depolarization
Hyperpolarization
Hypopolarization

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Refractory period of VG Na+ channel ensures action potential is

Unidirectional
Nonexistent
Bidirectional
Inverted

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of voltage-gated Na+ channels in action potential generation?

Initiating depolarization

Causing hyperpolarization

Regulating repolarization

Inducing hypopolarization