Free 120

Question 1

Type 2 pneumocytes function

Answer 1

Secrete surfactant
Serve as stem cells to make type I and type 2 cells

Question 2

Sarcoidosis pathophysiology

Answer 2

Granulomatous disorder that effects calcium homeostasis due to overactivation of macrophages and increased renal production of vitamin D

Question 3

Are there noncaseating or caseating granulomas in sarcoidosis?

Answer 3

Non-caseating granulomas, widespread

Question 4

Pheochromocytomas are found in MEN1 or MEN2

Answer 4

MEN 2

Question 5

RET is a tumor suppressor or protooncogene

Answer 5

protooncogene
Its a receptor tyrosine kinase
Think growth

Question 6

MEN1 mutation (menin, chromosome 11) is a tumor suppressor or protooncogene

Answer 6

tumor suppressor (2 hit)

Question 7

Medullary thyroid cancer is neoplasm of what kind of cells?

Answer 7

parafollicular - calcitonin

Question 8

Fremitus is increased in what situation

Answer 8

When there is consolidation like a lobar pneumonia

Question 9

Function of leptin

Answer 9

Satiety, decreases appetite

Question 10

Obese people have increased or decreased leptin

Answer 10

Increased because leptin is secreted by adipose tissue

Question 11

Describe Type I error

Answer 11

Stating that there is a difference when none exists

Question 12

Describe type II error

Answer 12

Stating there is not a difference when there is

Question 13

Bronchiectasis is obstructive or restrictive

Answer 13

Obstructive
Chronic cough and daily sputum production

Associated with cystic fibrosis

Question 14

Rifampin changes warfarin metabolism in what way?

Answer 14

It is a CYP450 inducer = warfarin gets metabolized more quickly and it doesn’t work as well = low INR

Question 15

Which lab technique is best for detecting viral RNA/DNA

Answer 15

Reverse transcription PCR0

Question 16

Which antibiotic class is best used for pertussis?

Answer 16

Macrolides

Question 17

Method of action of terbinafine (tinea pedis treatment)

Answer 17

Inhibition of squalene monooxygenase which disrupts ergosterol synthesis (fungal cell membranes)

Question 18

Opening pressure is increased in bacterial, fungal, or viral meningitis

Answer 18

All but viral is closer to normal

Question 19

Glucose is low in bacterial, fungal, or viral meningitis?

Answer 19

Bacterial and fungal.
It is normal in viral

Question 20

Compare hemidesmosomes and desomosomes

Answer 20

Desmosomes connect cells side to side

Hemidesmosomes connect cells to the basement membrane

Question 21

Autoantibodies to desmosomes result in what skin condition

Answer 21

Pemphigus vulgaris