Question 1

Which of the following is closely associated with the digestive, respiratory, and urinary systems?

Accepted Answer

A)  the skeletal system
B)  the circulatory system
C)  the reproductive system
D)  the muscular systemE) B) and C)
F) C) and D)

Question 2

Which of the following is not an example of negative feedback?

Accepted Answer

A)  After eating a meal containing high glucose levels, the pancreas secretes more insulin, a hormone that lowers blood glucose levels.
B)  After cutting your finger, the injured tissue releases chemicals that activate platelets in the blood. These activated platelets release chemicals to activate more platelets, leading to the formation of a blood clot.
C)  An elevation in blood pressure causes heart rate to decrease, thereby causing blood pressure to decrease.
D)  The secretion of the hormone TSH stimulates the thyroid gland to secrete thyroxine. Thyroxine, in turn, inhibits the secretion of TSH.E) A) and B)
F) None of the above

Question 3

Use the figure below to answer the questions that follow.
 
-Which type of epithelial tissue shown is a stratified tissue?

Accepted Answer

A)  tissue A
B)  tissue B
C)  tissue C
D)  tissue DE) B) and C)
F) A) and D)

Question 4

You are looking at a tissue under a microscope. You see mostly densely packed fibers with some cells scattered throughout. You would predict that the function of this tissue is to

Accepted Answer

A)  attach bones to muscles or other bones.
B)  connect epithelia to underlying tissues.
C)  conduct electrical impulses.
D)  make voluntary movements of the body.E) All of the above
F) B) and D)

Question 5

Most homeostasis depends on

Accepted Answer

A)  positive feedback control.
B)  negative feedback control.
C)  hormonal regulation.
D)  predictable environmental conditions.E) B) and C)
F) None of the above

Question 6

Which of the following is formed from a matrix of collagen fibers embedded in a hard mineral substance?

Accepted Answer

A)  cartilage
B)  bone
C)  adipose tissue
D)  fibrous connective tissueE) All of the above
F) A) and C)

Question 7

Which of the following statements about the cells of the mucous membrane lining your air tubes is false?

Accepted Answer

A)  They manufacture secretory products.
B)  They are stratified squamous epithelial cells.
C)  They are cuboidal or columnar in shape.
D)  They carry cilia that sweep mucus up and out of the respiratory system.E) A) and D)
F) A) and C)

Question 8

A leiomyoma is a benign tumor that affects smooth muscle. A large tumor of this type might be predicted to

Accepted Answer

A)  impair a patient's ability to walk.
B)  result in heart problems.
C)  cause uterine pain in female patients.
D)  do all of the above.E) B) and C)
F) A) and B)

Question 9

Use the figure below to answer the questions that follow.
 
-Which part of the figure above shows an organ?

Accepted Answer

A)  part A
B)  part B
C)  part C
D)  part DE) B) and D)
F) C) and D)

Question 10

Materials such as food, minerals, and oxygen are passed to cells through

Accepted Answer

A)  water.
B)  interstitial fluid.
C)  matrix fibers.
D)  neurons.E) A) and B)
F) All of the above

Question 11

Homeostasis

Accepted Answer

A)  is the maintenance of a relatively constant internal state.
B)  results from hormone imbalance.
C)  occurs when the external environment changes to match the internal environment
D)  is the way the internal environment influences the external environment.E) C) and D)
F) B) and D)

Question 12

Bioengineering does not involve

Accepted Answer

A)  growing cells on a balloon-like scaffold.
B)  transplanting unaltered organs.
C)  seeding a scaffold of connective tissue matrix with stem cells.
D)  using printers to build structures layer by layer.E) None of the above
F) A) and B)

Question 13

If the epithelium that lines the air sacs of your lungs were to gain a layer of cells, which of the following would likely occur?

Accepted Answer

A)  Oxygen will enter the lungs more quickly.
B)  Oxygen will enter the lungs more slowly.
C)  Secretion of mucus will increase.
D)  Oxygen will enter at the same rate, because it is only the shape of the cells that matter.E) A) and B)
F) C) and D)

Question 14

Which of the following statements regarding skeletal muscle is true?

Accepted Answer

A)  Skeletal muscle is attached to bones by tendons.
B)  Skeletal muscle cells do not contain nuclei.
C)  Skeletal muscle is largely responsible for involuntary body motions.
D)  Skeletal muscle coordinates movement of nutrients and oxygen throughout the body.E) A) and C)
F) B) and C)

Question 15

The human wrist is very agile, but because of this agility it is also very prone to injuries involving the tissue connecting the wrist bones. This statement illustrates

Accepted Answer

A)  that animal structures are not perfect.
B)  that connective tissue can be damaged.
C)  that muscle tissue can be damaged.
D)  both A and BE) A) and D)
F) A) and C)

Question 16

Which of the following is most likely to be responsible if, when your blood sugar level rises, the level of sugar goes back down?

Accepted Answer

A)  the use of the sugar for energy by your cells
B)  a homeostatic mechanism based on negative feedback
C)  type II diabetes
D)  a homeostatic mechanism based on positive feedbackE) A) and B)
F) B) and C)

Question 17

Connective tissue is different from the other major tissue types in that

Accepted Answer

A)  it is made of cells.
B)  the cells are sparsely scattered through a nonliving matrix.
C)  it is not made of cells.
D)  it is found only in humans.E) A) and B)
F) A) and C)

Question 18

Which of the following does not indicate a well-designed study?

Accepted Answer

A)  a control group
B)  variables were controlled
C)  bias
D)  follow-up studiesE) C) and D)
F) B) and C)

Question 19

Use the figure below to answer the questions that follow.
 
-Which part of the figure above shows a tissue?

Accepted Answer

A)  part A
B)  part B
C)  part C
D)  part DE) C) and D)
F) A) and D)

Question 20

Epithelial tissues

Accepted Answer

A)  cause body movements.
B)  cover both external and internal body surfaces.
C)  sense stimuli.
D)  form a framework that supports the body.E) A) and D)
F) C) and D)

Exam 20: Unifying Concepts of Animal Structure and Function

Use the figure below to answer the questions that follow. -Which type of epithelial tissue shown is a stratified tissue?

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Materials such as food, minerals, and oxygen are passed to cells through

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Which of the following is closely associated with the digestive, respiratory, and urinary systems?

Correct AnswerverifiedShow Answer

Use the figure below to answer the questions that follow. -Which part of the figure above shows an organ?

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Which of the following statements regarding skeletal muscle is true?

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A leiomyoma is a benign tumor that affects smooth muscle. A large tumor of this type might be predicted to

Correct AnswerverifiedShow Answer

Which of the following is not an example of negative feedback?

Correct AnswerverifiedShow Answer

Connective tissue is different from the other major tissue types in that

Correct AnswerverifiedShow Answer

Which of the following statements about the cells of the mucous membrane lining your air tubes is false?

Correct AnswerverifiedShow Answer

You are looking at a tissue under a microscope. You see mostly densely packed fibers with some cells scattered throughout. You would predict that the function of this tissue is to

Correct AnswerverifiedShow Answer

Most homeostasis depends on

Correct AnswerverifiedShow Answer

Which of the following is most likely to be responsible if, when your blood sugar level rises, the level of sugar goes back down?

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Which of the following is formed from a matrix of collagen fibers embedded in a hard mineral substance?

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Homeostasis

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Bioengineering does not involve

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The human wrist is very agile, but because of this agility it is also very prone to injuries involving the tissue connecting the wrist bones. This statement illustrates

Correct AnswerverifiedShow Answer

Use the figure below to answer the questions that follow. -Which part of the figure above shows a tissue?

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Epithelial tissues

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If the epithelium that lines the air sacs of your lungs were to gain a layer of cells, which of the following would likely occur?

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Which of the following does not indicate a well-designed study?

Correct AnswerverifiedShow Answer

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