M5: Exam- Requires Respondus LockDown

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Question 1

2 / 2 pts

There are three types of muscle tissue found in the body.

Correct!

True

False

Question 2

2 / 2 pts

Smooth and cardiac muscle tissue are both under voluntary control.

True

Correct!

False

Question 3

2 / 2 pts

The lumbar plexus is part of the central nervous system.

True

Correct!

False

False- this is a peripheral nerve

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Question 4

2 / 2 pts

A motor signal is a signal that is sent from a muscle to the central nervous system.

True

Correct!

False

False- this is sensory input

Question 5

2 / 2 pts

The cervical plexus contains nerves that innervate the thigh.

True

Correct!

False

Question 6

2 / 2 pts

Answer the following short-answer question:

Ligaments connect which types of tissue?

Your Answer:

Ligaments connect bone to bone.

Connect bone to bone

Question 7

2 / 2 pts

Answer the following short-answer question:

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Acetylcholine is what type of substance?

Your Answer:

Neurotransmitter.

Neurotransmitter

Question 8

2 / 2 pts

Answer the following short-answer question:

During a muscle contraction which protein myofilament is pulled along?

Your Answer:

Actin.

Actin

Question 9

2 / 2 pts

Answer the following short-answer question:

What is the name of the thin myofilament?

Your Answer:

Actin.

Actin

Question 10

2 / 2 pts

Answer the following short-answer question:

What must occur for a muscle contraction to stop?

Your Answer:

When nerve impulses no longer stimulate the muscle fiber, contraction stops. Calcium

ions return to sarcoplasmic reticulum and the muscle can relax.

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