Question 1
0 out of 2 points
Which of the following statements are true of the respiratory muscles and pressure
changes during breathing? (Read carefully and select all of the correct statements.)
Selected B.
Answers:
Contraction of the diaphragm increases the size of the chest cavity from
top to bottom.
C.
The external intercostal muscles are used only for a forced inhalation.
D.
The normal elasticity of the lungs is important for normal exhalation.
E.
The diaphragm is smooth muscle that contracts only as part of the
breathing reflex.
Correct A.
Answers:
Atmospheric pressure is a constant that depends on a person’s elevation
above sea level.
B.
Contraction of the diaphragm increases the size of the chest cavity from
top to bottom.
D.
The normal elasticity of the lungs is important for normal exhalation.
F.
A normal inhalation is active, but a normal exhalation is passive.
Response Atmospheric pressure is a constant that depends on a person’s elevation
Feedback: above sea level.
Contraction of the diaphragm increases the size of the chest cavity from
top to bottom.
The normal elasticity of the lungs is important for normal exhalation.
A normal inhalation is active, but a normal exhalation is passive.
, Question 2
0 out of 2 points
Which of the following statements are true of the liver? (Read carefully and select all of
the correct statements.)
Selected B.
Answers:
Excess cholesterol is excreted into bile to be eliminated in feces.
D.
Excess glucose is stored as glycogen, and the hormone glucagon
facilitates this process.
E.
Kupffer cells phagocytize bacteria that may get to the liver.
F.
Deamination produces urea, a nitrogenous waste product that will be
excreted by the kidneys.
G.
The liver produces the clotting factor fibrinogen.
Correct B.
Answers:
Excess cholesterol is excreted into bile to be eliminated in feces.
E.
Kupffer cells phagocytize bacteria that may get to the liver.
F.
Deamination produces urea, a nitrogenous waste product that will be
excreted by the kidneys.
G.
The liver produces the clotting factor fibrinogen.
Response Excess cholesterol is excreted into bile to be eliminated in feces.
Feedback: Kupffer cells phagocytize bacteria that may get to the liver.
Deamination produces urea, a nitrogenous waste product that will be
excreted by the kidneys.
The liver produces the clotting factor fibrinogen.
Question 3
2 out of 2 points
In the villi of the small intestine, glucose is absorbed into the:
Selected B.
Answer:
capillary networks by active
transport
Correct B.
, Answer:
capillary networks by active
transport
Question 4
2 out of 2 points
The gallbladder is found on the _______________________ of the liver.
Selected D.
Answer:
undersurface of the right
lobe
Correct D.
Answer:
undersurface of the right
lobe
Question 5
2 out of 2 points
The part of a tooth that contains blood vessels and nerves is the:
Selected B.
Answer:
pulp
cavity
Correct B.
Answer:
pulp
cavity
Question 6
0 out of 2 points
The normal flora of the colon consists of:
Selected C.
Answer:
cells of the lining that produce
vitamins
Correct D.
Answer:
bacteria that produce vitamins
Question 7
2 out of 2 points