mar 13 Flashcards Preview

step 2 uworld > mar 13 > Flashcards

Flashcards in mar 13 Deck (22)
Loading flashcards...
1
Q

who should be screened for lung cancer?

A

patients aged 55-80 with a 30 pack year history

2
Q

how is lung cancer screening done?

A

annual low-dose CT

3
Q

where is the most common location for a burst fracture?

A

C1

4
Q

do patients with small hyperplastic polyps require more frequent colon cancer screening?

A

no - they can undergo normal screening - no increased risk of cancer

5
Q

is warfarin use appropriate in patients with end stage renal disease?

A

yes - bridge with unfractionated heparin

6
Q

which drugs may cause male secondary hypogonadism?

A

opioids, steroids

7
Q

why do opioids cause decreased libido and erectile dysfunction in males?

A

opioids suppress GnRH and LH

8
Q

how may hypothyroid lead to carpal tunnel syndrome?

A

deposition of mucinous material (glycosaminoglycans, etc.) within soft tissue

9
Q

what is deficient in von gierke disease (type I glycogen storage disease)?

A

glucose 6 phosphatase (cant breakdown glycogen to glucose)

10
Q

presentation of von gierke disease?

A

hypoglycemia (and seizures), lactic acidosis, hyperuricemia, hyperlipidemia, doll-like face, hepatomegaly

11
Q

when does von gierke disease present?

A

usually 3-4 months of age

12
Q

Glucocerebrosidase deficiency =

A

gaucher disease

13
Q

presentation of gaucher disease

A

bone pain and cytopenia, hepatosplenomegaly

14
Q

what is the name of the antivenom that can be used to treat any type of snake bite (by a north american snake)?

A

crotalidae polyvalent immune Fab

15
Q

what is the name of the antivenom that can be used to treat confirmed rattlesnake bites?

A

crotalidea immube F(ab)2 equine

16
Q

which arteries are typically effected in fibromuscular dysplasia?

A

renal and internal carotids

17
Q

what is zolendronic acid?

A

a bisphosphenate

18
Q

what causes large linear ulcers of the esophagus?

A

CMV

19
Q

what causes round/oivoid lesions in the esophagus?

A

HSV

20
Q

treatment of HSV esophagitis?

A

acyclovir

21
Q

treatment of CMV esophagitis?

A

ganciclovir

22
Q

why does acyclovir not work in treating CMV?

A

CMV doesnt encode the thymidine kinase enzyme that activates acyclovir