Question 1

Celiac disease is an autoimmune disorder which destroys the microvilli of the small intestine. Vitamin B12 can be absorbed by passive diffusion across the microvilli of the small intestine. Consider a patient who has had 10% of their microvilli destroyed. If the concentration of vitamin B is 0.6 pg/ml inside the lumen of the small intestine and 0.3 pg/ml on the inside of an epithelial cell, how is the diffusion rate of vitamin B altered in this patient?

Accepted Answer

A)   It is reduced by 10%.
B)   It is reduced by .003%.
C)   It is increased by 10%.
D)   It is reduced by .3%.
E)   It is increased by .3%.F) B) and C)
G) A) and B)

Question 2

If you placed a red blood cell in a hypotonic solution, you would predict that its volume would ____ while the solute concentration in its cytoplasm would ____.

Accepted Answer

A)   increase, increase
B)   increase, decrease
C)   decrease, increase
D)   decrease, decrease
E)   decrease, not changeF) C) and D)
G) A) and E)

Question 3

A defect in the HoxA-3 would most likely result in

Accepted Answer

A)   defects of the thyroid.
B)   defects of the limbs.
C)   an enlarged heart.
D)   defects of the lungs.
E)   abnormal positioning of the kidneys.F) A) and C)
G) A) and E)

Question 4

Which of the following would not be an example of structure determining function?

Accepted Answer

A)   the highly branched trachea of insects
B)   the electrical connections between cardiac muscle cells
C)   the tight packing of epithelial cells on top of the basal lamina
D)   the brush border of the small intestine
E)   All of these choices are examples of structure determining function.F) A) and B)
G) A) and C)

Question 5

The extracellular matrix contains

Accepted Answer

A)   collagen.
B)   cartilage.
C)   smooth muscle.
D)   carbohydrates.
E)   both collagen and carbohydrates.F) B) and E)
G) A) and B)

Question 6

In which of the following ways does cardiac muscle differ from skeletal muscle?

Accepted Answer

A)   Cardiac muscle is striated and skeletal muscle is not.
B)   Cardiac muscle surrounds hollow tubes; skeletal muscle attaches to skin.
C)   Cardiac muscle cells are electrically connected; skeletal muscle cells are not.
D)   Cardiac muscle is under voluntary control; skeletal muscle is under involuntary control.
E)   A group of cardiac muscle cells forms an organ; a group of skeletal muscle cells forms a tissue.F) A) and D)
G) A) and B)

Question 7

In an organism with either a closed or open circulatory system, most of the body fluids are in the

Accepted Answer

A)   intracellular fluid.
B)   extracellular fluid.
C)   interstitial fluid.
D)   plasma.
E)   hemolymph.F) A) and E)
G) C) and D)

Question 8

Which of the following is not a characteristic of a hormone?

Accepted Answer

A)   chemical messenger
B)   secreted from glands into the blood
C)   acts on distant target cells
D)   regulates organ systems
E)   secreted from glands into the interstitial fluidF) C) and D)
G) A) and C)

Exam 40: Introduction to Animal Form and Function

Correct Answer
verified

In which of the following ways does cardiac muscle differ from skeletal muscle?

Correct Answer
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In an organism with either a closed or open circulatory system, most of the body fluids are in the

Correct Answer
verified

Which of the following would not be an example of structure determining function?

Correct Answer
verified

If you placed a red blood cell in a hypotonic solution, you would predict that its volume would while the solute concentration in its cytoplasm would .

Correct Answer
verified

A defect in the HoxA-3 would most likely result in

Correct Answer
verified

Which of the following is not a characteristic of a hormone?

Correct Answer
verified

The extracellular matrix contains

Correct Answer
verified

Exam 40: Introduction to Animal Form and Function

Correct AnswerverifiedShow Answer

In which of the following ways does cardiac muscle differ from skeletal muscle?

Correct AnswerverifiedShow Answer

In an organism with either a closed or open circulatory system, most of the body fluids are in the

Correct AnswerverifiedShow Answer

Which of the following would not be an example of structure determining function?

Correct AnswerverifiedShow Answer

If you placed a red blood cell in a hypotonic solution, you would predict that its volume would ____ while the solute concentration in its cytoplasm would ____.

Correct AnswerverifiedShow Answer

A defect in the HoxA-3 would most likely result in

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of a hormone?

Correct AnswerverifiedShow Answer

The extracellular matrix contains

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

If you placed a red blood cell in a hypotonic solution, you would predict that its volume would while the solute concentration in its cytoplasm would .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified