Topic Test Answers

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1
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A goniometer measures __________.

A
a joint's maximum range of motion
B
a joint's minimum range of motion
C
a joint's flexion
D
extension and hyperextension
2
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Select the statement that accurately describes the muscular system.

A
The muscular system is composed of two different types of muscles.
B
The muscular system is composed of muscles, tendons, and ligaments.
C
The muscular system is responsible for controlling the actions of smooth and cardiac muscles.
D
The muscular system is composed of smooth, skeletal, and cardiac muscles.
3

Which of the following is NOT a factor in efficiency?

A
metabolism
B
type of movement
C
muscle efficiency
D
digestion
4

Explain what distinguishes first class levers from second and third class levers.

Answer not available
5

A signal from the nervous system that is sent from the brain to the hand would follow a different pathway than a signal sent from the hand to the brain.

A
T
B
F
6

Which of the following statements about joints is TRUE?

A
Fixed joints have the greatest range of motion.
B
Most joints are joined by cartilage or connective tissue.
C
They are all very flexible.
D
They occur where two or more bones join.
7

How might being too strong actually restrict a joint's range of motion?

Answer not available
8

Explain why a seesaw is closest in arrangement to a first class lever.

Answer not available
9

Bones provide both structure and protection for the body.

A
T
B
F
10

Which object would have the most momentum?

A
a 500-pound car moving at 20 miles per hour
B
a 200-pound car moving at 60 miles per hour
C
a 100-pound car moving at 80 miles per hour
D
a 50-pound car moving at 100 miles per hour
11

How are balance and stability different concepts?

Answer not available
12

Explain how Newton's law of inertia describes the motion of objects.

Answer not available
13

The neck is a __________.

A
first class lever
B
second class lever
C
third class lever
D
fourth class lever
14

Discuss four ways that you can keep your nervous system healthy.

Answer not available
15

What tissue connects muscles to bones?

A
ligaments
B
tendons
C
cartilage
D
smooth muscle
16

Human muscles have an efficiency of about __________.

A
9 to 17%
B
18 to 26%
C
27 to 35%
D
36 to 44%
17

The measure of an object's mass and velocity is called __________.

A
gravity
B
acceleration
C
inertia
D
momentum
18

The carpal bones in the wrist are an example of __________.

A
hinge joints
B
condyloid joints
C
saddle joints
D
gliding joints
19

Explain what is meant by the term mechanical advantage.

Answer not available
20

What differentiates extension from hyperextension?

A
Extension bends joints in the opposite direction as hyperextension.
B
Extension straightens a joint, and hyperextension bends it but in the opposite direction from flexion.
C
Hyperextension straightens a joint, and extension bends it in the opposite direction from flexion.
D
Both bend joints, but extension can be damaging.

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