AnswersCO-Biology B-CRUnit Test

The Human Skeleton Answers

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1
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Consider the skeleton. Which type of bone is indicated by the arrow?

Question illustration
A
long
B
irregular
C
flat
D
short
2
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The carpals are bones that make up part of the hand. To which skeletal system do the carpals belong?

Question illustration
A
spongy skeleton
B
compact skeleton
C
axial skeleton
D
appendicular skeleton
3

Where is fat stored in the bone?

A
red bone marrow
B
yellow bone marrow
C
spongy bone
D
compact bone
4

Which describes the foramen magnum?

A
large opening at the base of the skull that the spinal cord passes through
B
shallow depression on the skull to which the jaw bone attaches
C
large projection on the skull to which the jaw muscles attach
D
tiny spaces between the fused bones of the skull
5

Ball-and-socket joints allow this gymnast to complete many of the routines that she performs. In which part of the body is a ball-and-socket joint found?

Question illustration
A
Joint A: wrist
B
Joint B: elbow
C
Joint C: hip
D
Joint D: knee
6

Consider the skeleton. Which skeletal system is represented by the shaded portion of the skeleton?

Question illustration
A
spongy skeleton
B
compact skeleton
C
axial skeleton
D
appendicular skeleton
7

How are doctors and paleontologists most similar?

A
Both diagnose injuries.
B
Both study bones.
C
Both look at geological time periods.
D
Both develop treatment plans.
8

Consider the skeleton.Which skeletal system is represented by the shaded portion of the skeleton?

Question illustration
A
spongy skeleton
B
compact skeleton
C
axial skeleton
D
appendicular skeleton
9

How does the structure of the skull help prevent injury to the brain?

A
The elastic bones of the skull help the skull reshape itself to prevent breakage.
B
The fused bones of the skull lessen the impact on the brain.
C
The spongy bones of the skull cause the ball to bounce off the head.
D
The joints in the skull move to prevent the football from hitting the head.
10

In the body, the homeostasis of which element is related to properties of bone?

A
cesium
B
carbon
C
calcium
D
copper

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