USMLE CBSSA 3 Flashcards Preview

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Flashcards in USMLE CBSSA 3 Deck (19):
1

What is the mechanism of pindolol?

Partial agonist

2

What are the risk factors for gastric adenocarcinoma?

H. Pylori, nitrosamine foods, smoking, achlorhydria, chronic gastritis

3

How do you decreases swelling in patient from removal of axillary lymph nodes?

Compression sleeve

4

What is the most common cause of death in acute rheumatic fever?

Myocarditis

5

What is the mechanism of antibiotic resistance in pseudomonas?

Biofilms

6

Treating with too much AChE in myasthenia gravis can lead to increased weakness because?

Desensitization of the receptors

7

What is the leading cause of death in men/women?

Cardiovascular disease

8

What are the MoAs of ANP?

Dilates afferent arterioles, constricts efferent arterioles, inhibits renin

9

What is overproduced in aspirin-induced asthma?

Leukotrienes

10

Swollen tongue, angular stomatitis, spoon shaped nails, microcytic anemia. Dx?

Plummer Vinson syndrome

11

What is the treatment for ethylene/methylene glycol poisoning and mechanism?

Fomepizole, blocks alcohol dehydrogenase

12

What part of the bone is responsible for bone pain and regeneration?

Periosteum

13

Atypical cells with abundant lacey cytoplasm in EBV infection. What are they?

T lymphocytes

14

Gargoylism, facial abnormalities, accumulation of dermatan and heparan sulfate. What is the abnormality and what enzyme is deficient?

Hurler syndrome, iduronadate sulfatase

15

Overdose of metformin risk?

Lactic acidosis

16

Where does a branchial cleft cyst open cutaneously?

Anterior to sternocleidomastoid

17

What kind of diet do you need to prevent T2DM?

Low calorie

18

Pupillary dilation, diaphoresis, agitated affect, confused thought process. Intoxication with what substance?

Amphetamines

19

Blue-tinged vaginal mucosa suggests?

Pregnancy