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A&P Semester 1 Final Exam Review

Authored by Matthew Cohen

Biology

9th - 12th Grade

Used 5+ times

A&P Semester 1 Final Exam Review
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the nervous system, an afferent signal is one which

Travels from the peripheral nervous system to the central nervous system

From the central nervous system to the peripheral nervous system

From the brain to the spinal cord

From a sensory neuron to a motor neuron

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following lobes in the cerebral cortex is responsible for generating voluntary motor movements?

Parietal lobe

Frontal lobe

Temporal lobe

Occipital lobe

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the stimulus that causes activation of voltage-gated sodium channels?

Depolarization

Hyperpolarization

Curare

Acetylcholine

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a function of ATP is muscle fiber contraction?

Allows myosin to attach to actin

Causes myosin and actin to detach

Activates voltage-gated sodium channels in the muscle cell membrane

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sprinter are most likely to recruit which type of muscle fiber during sprint exercise?

Type 1

Type 2a

Type 2x (2b)

Slow twitch

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A contraction where length does not change is called ____ while a contraction where the fiber lengthens is called ____.

Isotonic; isometric

Isometric; eccentric

Isotonic; eccentric

Isometric; concentric

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the major role of calcium in motor neuron function?

Causes depolarization of axonal membrane

Triggers the cross-bridge cycle in the motor neuron terminal

Causes release of acetylcholine from the motor neuron terminal

Leads to repolarization of the terminal membrane

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