AnswersNY-Life Science BiologyTerm 2 HillcrestThe Human Skeleton

The Human Skeleton Answers

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1
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Rheumatoid arthritis is a disease that occurs when the body’s immune system starts attacking its own joint tissue. The symptoms are pain, inflammation, and swelling in the joints. Orthopedists (doctors who study bones) and immunologists (doctors who study the immune system) both work with patients who have rheumatoid arthritis. What is the difference between the orthopedists and immunologists who treat the disease?

A
Only the orthopedists examine the symptoms.
B
Only the immunologists examine the symptoms.
C
The orthopedists focus on the joints, and the immunologists focus on the cause.
D
The immunologists focus on the joints, and the orthopedists focus on the cause.
2
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How does the skeletal system help aid the body when it is sick?

A
physical protection of internal organs from disease-causing organisms
B
filtration of disease-causing organisms from the body
C
production of white blood cells that can destroy disease-causing organisms
D
storage of calcium that makes bones stronger and less prone to attack from disease-causing organisms
3

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
4

Analogies are often used to help make concepts easier to understand. Trisha wants to write an analogy to help her remember the difference between the axial skeleton and the appendicular skeleton. Which is the best analogy?

A
The axial skeleton is like the skin of an apple; the appendicular skeleton is like the core of an apple.
B
The axial skeleton is like the core of an apple; the appendicular skeleton is like the skin of an apple.
C
The axial skeleton is like the frame of a swing set; the appendicular skeleton is like the swings.
D
The axial skeleton is like the swings on a swing set; the appendicular skeleton is like the frame of a swing set.
5

The humerus is the long bone that extends from the shoulder to the elbow. Which skeletal system does the humerus belong to?

A
spongy skeleton
B
compact skeleton
C
axial skeleton
D
appendicular skeleton
6

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.
7

Which kind of joint allows the arms to swing in circles?

A
hinge
B
ellipsoidal
C
ball-and-socket
D
sliding
8

How is the skeleton similar to the frame of a house?

A
Both are made of calcium.
B
Both provide shape and support.
C
Both allow movement.
D
Both separate the structures into compartments.
9

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.
10

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

Question illustration
A
long
B
irregular
C
flat
D
short

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