Uworld 9/21

Question 1

Key Feature of PCA stroke?

Answer 1

Homonomous Hemianopsia with Macular Sparring

Question 2

Patient post kidney implant now has bloody Diarrhea, fever, tachycardic, lung crackles, and abdominal pain. Labs show decreased leukocytes, increased BUN and Cr, Increased ALP and LFTs. She stopped taking TMP/SMX and Valgancyclovir. What does she have?

Answer 2

CMV. This affects EVERYTHING in post transplant patients. Not just diarrhea. See Transplant patient, think CMV

Question 3

patient has intermittent dizziness, hearing loss, and TENNITIS in right ear, but Weber lateralizes to the left.

Answer 3

Meniere

Question 4

What is described as “elevated endolymphatic Pressure”?

Answer 4

Meniere

Question 5

Brief episodes of dizziness triggered by head movement

Answer 5

BPPV

Question 6

Single episode of vertigo, seen after viral illness.

Answer 6

Vestibular Neuritis

Question 7

Weber test - Lateral to the good side?

Answer 7

Sensorineural

Question 8

When do you do Revascularization (either with or without stenting) in a patient with stenotic Renal Artery, bilateral or unilateral?

Answer 8

When they are intolerant or fail to respond to medications FIRST

When they start having flash pulmonary edema

Question 9

What is Sialadenosis

Answer 9

a benign swelling of the salivary glands in alcoholics with advanced liver disease or malnutrition.

Question 10

Mechanism of Tetanus

Answer 10

Blocks the presynaptic release of inhibitory neurotransmitters glycine and gaba. NOT Acetylcholine

Question 11

Mechanism of Clostridium Botulism?

Answer 11

Blocks the presynaptic release of Aceytlcholine

Question 12

What is Amiloride?

Answer 12

K sparring diuretic. It inhibits the ENaC or aldosterone receptor. Thus, it doesnt piss away K. It retains it.

Question 13

What is Hepatic Hydrothorax?

Answer 13

A pleural effusion caused by a defect in the diaphragm

Question 14

What would cause intrapulmonary dilations in the pulmonary vasculature

Answer 14

Hepatopulmonary syndrome… results from chronic liver disease. Patients have dyspnea when changing positions

Question 15

Symptoms of ZINC deficiency?

Answer 15

Alopecia, pustular skin rash, hypogonadism, impaired wound healing, impaired taste

Question 16

Symptoms of Selenium deficiency?

Answer 16

Thyroid Dysfunction, Cardiomyopathy, Immune Dysfunction

Question 17

Niacin Deficiency?

Answer 17

Pellagra - dementia, diarrhea, dermatitis.

BUT WATCH OUT FOR COMORBID DIARRHEA this means its NOT Niacin deficiency

Question 18

There is a embolus in the right pulmonary artery. Where would the most likely source of the embolus be?

Answer 18

Femoral VEIN.

NOT the Right atrium

Question 19

Patient has tremor that is most likely associated with parkinsons. What medication is used to treat JUST the tremor

Answer 19

Trihexyphindyl