AnswersSummer School LA-Biology CRThe Musculoskeletal and Integumentary Systems

The Musculoskeletal and Integumentary Systems — Cumulative exam Answers

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21
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Four students collected data for the average resting heart rates of 100 people. "Bpm” stands for "beats per minute.”They then compared their data to the national average, which was 70 bpm.AlmaPattiChaseMikayla71 bpm69 bpm72 bpm110 bpmWhich results are the least likely to be reproducible?

A
Alma
B
Patti
C
Chase
D
Mikayla
22
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Which line of defense includes active immunity?

A
first
B
second
C
third
D
fourth
23

The ulna, radius, and humerus are the three bones of the arm. The elbow is formed where these bones meet. Which is another name for the elbow?

A
joint
B
tendon
C
cartilage
D
bone marrow
24

Since sugar comes from food, which system would directly affect blood sugar levels?

A
respiratory
B
muscular
C
skeletal
D
digestive
25

Which image represents cytokinesis in a plant cell?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
26

Snails have a diploid chromosome number of 22. After meiosis, the snail’s sperm or egg would have 11 chromosomes.How many chromosomes would the zygote have after fertilization?

A
11
B
22
C
33
D
46
27

Which can be used to prevent initial entry of bacteria into the body?

A
inflammation
B
oil
C
fever
D
lymphocytes
28

A cell is put into a liquid and remains its original size. What is the best conclusion that can be drawn from this observation?

A
The concentration of water is higher in the cell than in the liquid, so water is leaving the cell.
B
The concentration of water is higher in the cell than in the liquid, so water is moving in and out of the cell at the same rate.
C
The concentration of water in the cell is the same as in the liquid, so water is moving in and out of the cell at the same rate.
D
The concentration of water in the cell is the same as in the liquid, so water is leaving the cell.
29

Examine the Venn diagram.

Question illustration
A
Cell swells
B
Cell shrinks
C
Cell bursts
D
Cell dissolves
30

Jeanine wants to perform an experiment on a group of teenagers involving an experimental new drug. She is not granted permission to conduct her study.What is most likely the problem that Jeanine is having with performing her experiment?

A
a monetary limitation
B
an ethical limitation
C
a time-based limitation
D
a technological limitation
31

Study the diagram of a cell.

Question illustration
A
W and X
B
W and Z
C
X and Y
D
Y and Z
32

Henry and Alex both completed the same experiment and got similar results. Henry ran his experiment 5 times and took an average value, while Alex only ran his experiment once.Which statement best describes their experiments?

A
Both experiments involved replication and repetition.
B
Both experiments involved replication, but only one involved repetition.
C
Only one experiment involved replication, but both involved repetition.
D
Neither experiment involved replication nor repetition.
33

Large areas on the leaves of some plants lack chlorophyll and are therefore not green in color. How does this most likely affect photosynthesis?

A
Not enough sunlight is captured in these areas of the leaves.
B
Carbon dioxide cannot enter these areas of the leaves.
C
Too much glucose builds up in these areas of the leaves.
D
Oxygen cannot be released in these areas of the leaves.
34

Which structure in a plant is at the same level of organization as a heart in an animal?

A
shoot system
B
leaf
C
chloroplast
D
dermal tissue
35

The diagram represents the general equation for photosynthesis.

Question illustration
A
hydrogen
B
oxygen
C
glucose
D
carbon dioxide
36

Which best describes the movement through the nephron?

A
Blood is passed into the nephron and removed through the urethra.
B
All materials that exit the blood into the nephron are removed in the urine.
C
Some of the materials that exit the blood can be returned to the blood.
D
High quantities of sugars and water are excreted in the urine.
37

Gunther likes to sunbathe and look tan. When he can, he uses tanning beds or he goes outside to soak in the sun.Which would he most likely contract from his lifestyle choices?

A
lung cancer
B
skin cancer
C
Parkinson’s disease
D
diabetes
38

What happens to an egg that is not fertilized?

A
It is reabsorbed by the body.
B
It travels back up the fallopian tube.
C
It exits during childbirth.
D
It is released during menstruation.
39

Examine the images of a plant cell in the different stages of mitosis.

Question illustration
A
W, X, Y, Z
B
W, Z, X, Y
C
Z, W, Y, X
D
Z, Y, W, X
40

Veronica got a cut on her arm, and it started bleeding. Her circulatory system started working hard to prevent blood loss and protect against infection.Which two components of the blood were functioning at a higher level than normal?

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

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