AnswersSummer School LA-Biology CRThe Musculoskeletal and Integumentary Systems

The Musculoskeletal and Integumentary Systems — Unit test Answers

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Sound can be heard when air passes over a respiratory structure that is located between the pharynx and the trachea.Which structure is responsible for the voice?

A
the nose
B
the larynx
C
the lung
D
the alveoli
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Which is part of the central nervous system?

A
heart
B
brain
C
lungs
D
stomach
3

Which is the pathway for information through a neuron?

A
dendrite → axon → cell body → axon terminals
B
axon terminals → axon → cell body → dendrite
C
dendrite → cell body → axon → axon terminals
D
cell body → dendrite → axon → axon terminals
4

In order from less complex to more complex, which level of organization is directly after tissue?

A
organ
B
organ system
C
organism
D
organelle
5

infectiousnoninfectioustoxiccontaminated

A
infectious
B
noninfectious
C
toxic
D
contaminated
6

Which list shows three components of an organ system in order of least complex to most complex?

A
red blood cell, heart, tissue
B
skeleton, bone, bone cell
C
muscle cell, muscle tissue, stomach
D
lung, lung tissue, circulatory system
7

PeristalsisSalivationDigestionSecretion

A
Peristalsis
B
Salivation
C
Digestion
D
Secretion
8

Which type of muscle tissue is both voluntary and striated?

A
smooth
B
cardiac
C
skeletal
D
heart
9

Which structures produce a fluid to protect the body in the first line of defense? Select four options.hairstomachmoutheyesskin

A
hair
B
stomach
C
mouth
D
eyes
E
skin
10

Which is the temporary storage tank for urine?

A
bladder
B
stomach
C
kidney
D
urethra
11

Veins take blood back to the heart. Which gas would be most abundant in a vein that takes blood from muscle cells in the arm back to the heart?

A
carbon dioxide
B
oxygen
C
nitrogen
D
hydrogen
12

Which disease results in exhaustion, increased thirst, and numbness in hands and feet?

A
AIDS
B
diabetes
C
Parkinson's
D
cancer
13

Sperm are produced in the

A
glands
B
sperm duct.
C
testes.
D
urinary bladder.
14

Skeletal muscle is controlled by the organism.Which best describes what this means in terms of movement?

A
Any muscle attached to the skeleton is voluntary and may be used for movement.
B
Some of the muscle attached to the skeleton is involuntary and may be used for movement.
C
Some of the muscle attached to the skeleton is voluntary and may be used for movement.
D
All of the muscles attached to the skeleton are involuntary and may be used for movement.
15

immunity occurs when a mother breastfeeds her baby.

Answer not available
16

What is the main function of the reproductive system?

A
to transport substances
B
to remove wastes
C
to continue the species
D
to make hormones
17

Which shows a correct association between a structure and one of its functions?

A
Pores receive sensory information.
B
Oil regulates temperature.
C
Vitamin D protects against bacteria.
D
Sweat glands remove waste.
18

Which product of respiration is considered waste material and leaves the alveoli?

A
oxygen
B
water
C
carbon dioxide
D
carbon monoxide
19

spermeggbabyuterus

A
sperm
B
egg
C
baby
D
uterus
20

Which blood component makes up 41% of the blood’s volume?

A
plasma
B
red blood cells
C
platelets
D
white blood cells

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