UWorld

Question 1

amaurosis fugax

Answer 1

transient, painless

embolus in ophthalmic artery

Question 2

sweat odor

Answer 2

apocrine - vesicle bound to follicle

vs. eccrine sweat NaCl to skin

Question 3

copper chelators

Answer 3

trientine

penicillamine

Question 4

malignant acanthosis nigricans

Answer 4

gastric adenocarcinoma

Question 5

togavirus

Answer 5

rubella

PA/occipital lymphadenopathy

Question 6

coagulates cytoplasm

Answer 6

chlorhexidine

not sporicidal

Question 7

ecthyma granulosum

Answer 7

pseudomonas
skin patches with necrosis
burns, neutropenia, catheters

Question 8

decreased O2 and CO2 in blood

Answer 8

alveolar hyperventilation
after pneumonia or PE

has increased respiratory drive, losing CO2

Question 9

mullerian inhibiting factor

Answer 9

from Sertoli cells

Question 10

lipid absorption

Answer 10

jejunum

Question 11

treat steph epi on valve

Answer 11

vanco then nafcillin

Question 12

menopause

Answer 12

high FSH

Question 13

PCOS

Answer 13

high LH

Question 14

bronchiolitis obliterans

Answer 14

chronic lung rejection

Question 15

Schilling test

Answer 15

B12 absorption is normal

but diet may be low…

Question 16

increased fetal urination

Answer 16

CO increase from alloimmunization, parvovirus, hemorrhage

Question 17

high altitude changes

Answer 17

PaO2 to resp alkalosis

PaCO2 decrease, pH increase

Question 18

1st pharyngeal membrane

Answer 18

tympanic membrane

Question 19

4th pharyngeal pouch

Answer 19

superior PT glands

Question 20

3rd pharyngeal pouch

Answer 20

palatine crypt epithelium

Question 21

pancytopenia

Answer 21

SLE

Question 22

prevent GBS baby

Answer 22

penicilin

ampicillin

Question 23

cocaine intox

Answer 23

mydriasis
seizures
chest pain
HT, tachycardia

Question 24

no LES relaxation

Answer 24

achalasia

“bird-beak”

Question 25

increases cAMP, causing edema and phagocyte dysfunction

Answer 25

Anthrax edema factor - acts like AC Pertussis toxin - ADP ribosylates Gi Pertussis AC toxin - acts like AC ETEC heat labile - AC Campylobacter enterotoxin - AC Bacillus cereus heat labile enterotoxin - AC Cholera toxin - AC

Question 26

C dif toxins

Answer 26

A - activates neutrophils, diarrhea | B - depolymerizes actin, causing pseudomembrane and necrosis

Question 27

Shiga toxin

Answer 27

disables 60S

Question 28

inctivate EF2

Answer 28

diptheria toxin | pseudomonas exotoxin A

Question 29

activate guanylate cyclase

Answer 29

ETEC heat stable toxin | Yersinia enterotoxin

Question 30

CFTR

Answer 30

ATP gated

Question 31

intranuclear and cytoplasmic inclusions

Answer 31

CMV | linear ulceration in esophagus

Question 32

pulmonary HT association

Answer 32

CREST

Question 33

Protein A IgA protease

Answer 33

Staph aureus binds Fc Strep pneumo, neisseria

Question 34

stained blue on Loeffler medium

Answer 34

Corynebacteriam diptheria | intracellular polyphosphate granules

Question 35

c-myc

Answer 35

chr 8 | Burkitt's lymphoma 8;14

Question 36

acute pancreatitis caused by

Answer 36

``` recent ERCP procedure azathioprine, furosemide, valproic acid mumps, coxsackie, mycoplasma TAG hyperCa ```

Question 37

nimodipine

Answer 37

stop vasospasm after subarachnoid hemorrhage

Question 38

primary sclerosing cholangitis

Answer 38

UC associated | high alkfos