Uworld week 3-4

Question 1

what is best measurement of pulmonary function after a lung resection?

Answer 1

FEV1 and DLCO

Question 2

does atelectasis cause respiratory acidosis?

Answer 2

NO will cause respiratory alkalosis due to signaling tachypnea

Question 3

in massive trasnfusion protocol, what is ratio that you want to give RBCs, platelets and FFP?

Answer 3

1 to 1 to 1 to prevent coagulopathy

Question 4

what is management of brown recluse bite?

Answer 4

supportive wound care

Question 5

what is rx of varicocele in child?

Answer 5

gonadal vein ligation…to preserve fertility

Question 6

name some risk factors for osteonecrosis

Answer 6

alcohol use
steroid use
sickle cell
SLE

Question 7

how does volvulus present in adults?

Answer 7

will have progressive abdominal pain, distension, N/V

Question 8

how do you diagnose BCC?

Answer 8

excisional shave or punch biopsy

Question 9

what is appearance of BCC?

Answer 9

pearly nodule with telangiectastic vessels

Question 10

what is rx for BCC?

Answer 10

surgical excision with 4mm margins

Question 11

what two labs when elevated show increased risk of severe pancreatitis?

Answer 11

BUN and hematocrit

Question 12

why does zollinger ellison syndrome cause fat malabsorption?

Answer 12

gastric acid increases neutralizes the pancreatiz enzymes

Question 13

if patient has bad clavicle fracture and looks to be in hemorrhagic shock, what might have happened?

Answer 13

rupture of subclavian

Question 14

what muscle divides the axillary nodes in breast cancer?

Answer 14

pectoralis minor

Question 15

what artery and nerve can be hurt in supracondylar humerus fracture?

Answer 15

median nerve and brachial artery

Question 16

what is spondyloisthesis?

Answer 16

when a vertebrae slips over the other vertebrae

Question 17

what is exam finding in spondyloisthesis?

Answer 17

stepoff between vertebrae

Question 18

what are sx of spondyloisthesis?

Answer 18

back pain with extension

Question 19

who gets spondyloisthesis?

Answer 19

divers and gymnasts

Question 20

what is rx of spondyloisthesis?

Answer 20

rest

Question 21

if patient has low TSH and high T4 and a thyroid ndoule, what should you do?

Answer 21

radionuclide scan

Question 22

what is timeframe that differentiates acute versus chronic transplant rejection?

Answer 22

acute is less than 6 months

Question 23

what is the ugly duckling sign?`

Answer 23

mole that looks very different from patients other moles…indicates greater chance of melanoma

Question 24

what can a retropharyngeal abscess spread to and cause?

Answer 24

can spread to posterior mediastinum and cause acute necrotizing medistinitis

Question 25

if patient has had thyroid removed and still has thyroglobulin in serum, what is concern?

Answer 25

that cancer has returned because only thyroid cells make thyroglobulin

Question 26

when should patients with cholecystitis have gallbladder removed?

Answer 26

within 72 hours

Question 27

patient who had heart attack develops elevated liver enzymes, what happened?

Answer 27

hepatocellular ischemia is most likely

Question 28

what is the management of sigmoid volvulus?

Answer 28

flexible sigmoidoscopy if stable, emergency colectomy if perforated or signs of peritonitis

Question 29

a whistling noise when you breath through your nose is indicative of what?

Answer 29

septal perforation of nasal bone