UWorld_6.8 Flashcards
1
Q
Quad screen results concerning for trisomy 21
A
- low a-fetoprotein
- low estriol
- elevated b-hcg
- elevated inhibin A
2
Q
most common brain tumors in children
A
- astrocytoma
- medulloblastoma = posterior fossa mass
3
Q
Evaluation of suspected pancreatic cancer
A
- p/w obstructive jaundice ==> likely @ head ==> US
- p/w/out obstructive jaundice ==> likely @ tail ==> CT
4
Q
First-line for endocarditis in IVDU
A
vancomycin
5
Q
Exenatide: brand name, MOA, SE
A
- exanatide = Byetta
- MOA: GLP-1 receptor agonist
- 2nd line w/metformin
- low hypoglycemia risk
- SE: weight loss
6
Q
Chlordizepoxide: class, use
A
- benzo
- used in EtoH tx
7
Q
Most common causes of folic acid deficiency
A
- poor diet
- drugs: phenytoin, methotrexate, TMP
8
Q
VIPoma presentation
A
- tumor of pancreatic cells => VIP
- watery diarrhea (secretory diarrhea)
- m. weakness/cramps 2/2 hypokalemia
- hypochlorhydia 2/2 decreased gastric acid secretion
- VIP level > 75 pg/ml
