6.23.16

Question 1

low C1 esterase inhibitor –> dx?

Answer 1

hereditary angioedema

Question 2

3rd pharyngeal pouch: derivatives

Answer 2

• thymus

- inf PTH gland

Question 3

medullary thyroid CA: histology

Answer 3

• nests/sheets of polygonal/spindle-shaped cells

- extracell amyloid deposits (calcitonin)

Question 4

charact of UC

Answer 4

• rectum always involved
• inflamm limited to mucosa & submucosa only
• mucosal damage is continuous

Question 5

myasthenia gravis: assoc disorder

Answer 5

thymic abnormality –> thymoma, thymic hyperplasia

Question 6

acute bacterial parotitis: how dx?

Answer 6

• high amylase

- normal lipase (no evidence of pancreatitis)

Question 7

bradykinin: fx

Answer 7

• vasodilate

- increase vasc permeability

Question 8

acute bacterial parotitis: RF

Answer 8

decreased salivary flow:

• antichol
• calculi
• dehydrate
• intubate

Question 9

charact of Crohns

Answer 9

• transmural inflamm
• perianal fistula
• noncaseating granuloma

Question 10

acute bacterial parotitis: who?

Answer 10

elderly –> postop –> intubate, dehydrate

Question 11

trochlear N palsy: how do pts compensate?

Answer 11

tuck chin, tilt head away from affected eye

Question 12

the thymus arises from what embryologic struct?

Answer 12

3rd pharyngeal pouch

Question 13

urge incontinence: tx

Answer 13

antimusc (M3)

Question 14

C1 esterase inhibitor: fx

Answer 14

• inh C1 activation –> no classic complement pathway

- inactivate kallikrein

Question 15

trochlear N palsy: ssx

Answer 15

vertical diplopia –> worsen when look down & in (walk downstairs, up-close reading)

Question 16

gluconeogenesis: what step utilizes GTP?

Answer 16

phosphoenolpyruvate carboxykinase (PEPCK): oxaloacetate –> PEP

Question 17

where will u find high levels of sorbitol deH?

Answer 17

• seminal vesicles

- lens

Question 18

urge incontinence: pathophys

Answer 18

detrusor instability –> uninh bladder contract

Question 19

what mediates the angioedema in hereditary & acquired angioedema?

Answer 19

bradykinin

Question 20

what can cause angioedema?

Answer 20

ACEI

Question 21

cardiac catheterization –> where on common femoral A?

Answer 21

below inguinal lig

Question 22

TCA: what step generates GTP?

Answer 22

succinyl CoA synthetase: succinyl CoA –> succinate

Question 23

what naturally alleviates myocardial ischemia?

Answer 23

collateral circ –> blood to areas distal to occluded vessel

Question 24

femoral triangle: contains?

Answer 24

NAVEL (lat to med):

• femoral N
• femoral A
• femoral V
• deep inguinal nodes/lymph vessels

Question 25

acute bacterial parotitis: most common org

Answer 25

staph aureus

Question 26

how does ACEI cause angioedema?

Answer 26

normally: ACE –> bradykinin to inactive metabolites
ACEI: bradykinin accumulate

Question 27

strawberry hemangioma: natural progress

Answer 27

grow in proportion to child –> eventual regress –> completely by 7yo

Question 28

hereditary angioedema: what drug is contraindicated?

Answer 28

ACEI

Question 29

cardiac catheterization: what vessel?

Answer 29

common femoral A

Question 30

coronary steal: effect

Answer 30

hypoperfusion to ischemic areas

Question 31

what is sorbitol metab into? by what?

Answer 31

fructose

sorbitol deH

Question 32

if you access the common femoral A above the inguinal lig –> what can happen?

Answer 32

retroperitoneal hemorrhage

Question 33

what is: coronary steal

Answer 33

phenomenon in which blood flow to ischemic areas is reduced d/t arteriolar vasodilation in nonischemic areas

Question 34

trochlear N palsy: cause

Answer 34

• idiopathic

- trauma

Question 35

what can cause coronary steal?

Answer 35

adenosine, dipyridamole –> coronary arteriolar vasodilate