Practice Section 7/30/12

Question 1

What lung cells produce elastase?

Answer 1

alveolar macrophages

Question 2

What does the suffix “-pril” indicate?

Answer 2

ACE-inhibitor

Question 3

What is the effect of ACE-inhibitors in the kidney?

Answer 3

Dilate the efferent arteriole

Question 4

What is the efficacy of a drug?

Answer 4

The maximum effect that can be produced by a drug.

Question 5

What is potency?

Answer 5

The amount of drug required to attain a certain effect.

Question 6

Is ED50 a measurement of efficacy or potency?

Answer 6

potency

Question 7

Percentage of observations that lie within 1 std deviation of the mean in a normal distribution.

Answer 7

68%

Question 8

What percentage of observations lie within 2 std. deviations of the mean?

Answer 8

95%

Question 9

What percentage of observations lie within 3 standard deviations of the mean?

Answer 9

99.7%

Question 10

Which brain structure is infarcted in a stroke that causes hemiballismus?

Answer 10

subthalamic nucleus

Question 11

FF =

Answer 11

GFR/RPF

where RPF = renal plasma flow

Question 12

Will ureteral obstruction increase or decrease FF?

Answer 12

decrease

Question 13

What systemic mycosis-causing fungus is endemic to the southwest?

Answer 13

Cocciodes immitis

Question 14

What systemic mycosis is endemic to the midwest and middle southern states?

Answer 14

Histoplasma

Question 15

What systemic mycosis is endemic to the northeast?

Answer 15

Blastomyces

Question 16

What systemic mycosis is endemic to Latin America? What is its typical appearrance under the microscope?

Answer 16

Paracoccidoides - “captain’s wheel” formation

Question 17

Which of the following is associated with insulin resistance?
A. High LDL
B. Low HDL
C. High FFAs

Answer 17

C. High FFAs