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MCQ on Nerve Impulses

Authored by Herrawaty Haji Taja'ah

Biology

University

MCQ on Nerve Impulses
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51 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are voltage-gated calcium channels predominantly found?

Muscle cells

Neurons

Epithelial cells

Connective tissue cells

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of the nervous system is primarily responsible for reflex actions?

Central nervous system

Peripheral nervous system

Autonomic nervous system

Somatic nervous system

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During depolarization, which ion channels open, leading to a rapid influx of ions?

Voltage-gated potassium channels

Ligand-gated sodium channels

Voltage-gated sodium channels

Leak potassium channels

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the advantage of reflex actions?

They allow for quick responses to stimuli without conscious thought

They help in complex decision-making processes

They only occur in animals with advanced nervous systems

They are under voluntary control

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are neurotransmitters?

Chemicals released by the brain to regulate sleep

Hormones secreted by endocrine glands

Chemical messengers that transmit signals between neurons

Enzymes involved in cellular metabolism

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary factor responsible for establishing the resting membrane potential in neurons?

Active transport of sodium ions out of the cell.

Passive diffusion of potassium ions into the cell.

Differential permeability of the cell membrane to various ions.

Synaptic transmission between neurons.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does synaptic transmission occur?

Along the axon of a neuron

At the soma of a neuron

At the synapse between two neurons

Within the dendrites of a neuron

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