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Pathophysiology Exam
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,A certain disease is currently found in 1 of every 10 people in the country and 1,000 people
contract the disease yearly. The population of the country is 4,500,000. Which of the
following statements is correct?
a.The prevalence of the disease is 10% and the incidence is .02%.
b.The prevalence of the disease is .02% and the incidence is 10%.
c. Neither is correct.
d.There is insufficient data
A
In relation to disease development, the term "etiology" refers to which of the following?
a. number of people with the disease
b. cause of the disease
c. definition of the disease
d. outcome of the disease
B
Which of the following is(are) true about "symptoms"?
a.objective and measurable
b.the same as "signs"
c. both of the above
d. neither of the above
D
,In 1992, there were 980 deaths in a Midwestern city with a population of 1,000,000. At the
beginning of that year, 900 cases of AIDS existed in this population. During the year, 250
new cases of AIDS were diagnosed, and 75 people died of the disease in 1992.
Using the data given above, what was the incidence rate (per 100,000 population) at
the end of 1992 for AIDS?
a. 6
b. 25
c. 88
d. 116
B
What level of prevention is a blood pressure screening program for high school students
who are pregnant?
a. primary
b. secondary
c. tertiary
B
Mr. Forbes complains of "indigestion" and becomes sweaty and pale. His wife takes him
to the Emergency Department at Northwestern Memorial Hospital. A cardiac
catheterization 2 days later shows partial blockage of his right coronary artery (RCA).
Blockage of the right coronary artery can lead to myocardial cell injury because it
results in which of the following?
a. bilirubin accumulation in myocardial cells
b.alteration in the genetic material of myocardial cells
c. reduced energy production in myocardial cells
d. activation of the complement system
C
, When myocardial cells are injured, the function of the Na-K membrane pump may be
impaired. Which of the following may then result?
a. intracellular sodium will increase
b. extracellular potassium will decrease
c. cell volume will decrease
d. all of the above
A
Mr. Forbes is being prepared for open heart surgery when he suffers a myocardial
infarction in which a large part of his left ventricle has suffered lethal cell injury.
Mr. Forbes' CPK-MB and LDH1, enzymes associated with myocardial cells, are significantly
elevated. What is the best explanation for this?
a. It is a sign that necrotic myocardial cells have released their cytoplasmic contents
into the blood.
b. It is a sign of reversible fatty accumulation in the myocardial cells
c. It is a sign that the myocardial cells are undergoing hypertrophy.
d. None of the above.
A
If a tissue specimen of myocardial cells were obtained for examination from Mr. Forbes,
which of the following findings would indicate irreversible cell injury?
a.cellular swelling
b. decreased ATP production
c. decreased intracellular calcium
d. dissolution of nuclear material
D
Pathophysiology Exam
I Questions Verified
and Provided with A+
Graded Answers|
Latest Updated 2026
,A certain disease is currently found in 1 of every 10 people in the country and 1,000 people
contract the disease yearly. The population of the country is 4,500,000. Which of the
following statements is correct?
a.The prevalence of the disease is 10% and the incidence is .02%.
b.The prevalence of the disease is .02% and the incidence is 10%.
c. Neither is correct.
d.There is insufficient data
A
In relation to disease development, the term "etiology" refers to which of the following?
a. number of people with the disease
b. cause of the disease
c. definition of the disease
d. outcome of the disease
B
Which of the following is(are) true about "symptoms"?
a.objective and measurable
b.the same as "signs"
c. both of the above
d. neither of the above
D
,In 1992, there were 980 deaths in a Midwestern city with a population of 1,000,000. At the
beginning of that year, 900 cases of AIDS existed in this population. During the year, 250
new cases of AIDS were diagnosed, and 75 people died of the disease in 1992.
Using the data given above, what was the incidence rate (per 100,000 population) at
the end of 1992 for AIDS?
a. 6
b. 25
c. 88
d. 116
B
What level of prevention is a blood pressure screening program for high school students
who are pregnant?
a. primary
b. secondary
c. tertiary
B
Mr. Forbes complains of "indigestion" and becomes sweaty and pale. His wife takes him
to the Emergency Department at Northwestern Memorial Hospital. A cardiac
catheterization 2 days later shows partial blockage of his right coronary artery (RCA).
Blockage of the right coronary artery can lead to myocardial cell injury because it
results in which of the following?
a. bilirubin accumulation in myocardial cells
b.alteration in the genetic material of myocardial cells
c. reduced energy production in myocardial cells
d. activation of the complement system
C
, When myocardial cells are injured, the function of the Na-K membrane pump may be
impaired. Which of the following may then result?
a. intracellular sodium will increase
b. extracellular potassium will decrease
c. cell volume will decrease
d. all of the above
A
Mr. Forbes is being prepared for open heart surgery when he suffers a myocardial
infarction in which a large part of his left ventricle has suffered lethal cell injury.
Mr. Forbes' CPK-MB and LDH1, enzymes associated with myocardial cells, are significantly
elevated. What is the best explanation for this?
a. It is a sign that necrotic myocardial cells have released their cytoplasmic contents
into the blood.
b. It is a sign of reversible fatty accumulation in the myocardial cells
c. It is a sign that the myocardial cells are undergoing hypertrophy.
d. None of the above.
A
If a tissue specimen of myocardial cells were obtained for examination from Mr. Forbes,
which of the following findings would indicate irreversible cell injury?
a.cellular swelling
b. decreased ATP production
c. decreased intracellular calcium
d. dissolution of nuclear material
D
