UWorld_6.23

Question 1

Management of ventilator in ARDS

Answer 1

1. decreased Fi02 to non-toxic level (

Question 2

Ventilator settings that impact arterial pO2 & pCO2

Answer 2

FiO2 & PEEP ==> pO2 (measure of oxygenation) RR & TV ==> pC02 (measure of ventilation)

Question 3

Medications that can trigger bronchoconstriction in asthmatics

Answer 3

-ASA -b-blockers

Question 4

Congenital syphillis presentation

Answer 4

-HSM -cuatneous lesions -jaundice -anemia -rhinorrhea (classic: clear rhinorrhea)

Question 5

Congenital rubella presentation

Answer 5

-sensorineural hearing loss -cataracts -heart defects -HSM -microcephaly -thrombocytopenic purpura = “blueberry muffin” rash

Question 6

Presentation/cause of neurogenic leg claudication

Answer 6

-lumbar spinal stenosis/spinal OA/degen disc dz -posture-dependent pain -worse w/lumbar extension (i.e. downhill walking) -improves w/lumbar flexion -LE numbness/tingling & weakness

Question 7

Cause of warfarin-induced skin necrosis

Answer 7

-rapidly declining protein C levels -occurs more commonly in pt. w/hereditary protein C deficiency

Question 8

shoulder dystocia ==> Extended wrist + hyperextended MCPs + flexed IPs + absent grasp ==> dx?

Answer 8

-Klumpke palsy -2/2 excess traction @ C8 & T1 - also w/horner’s syndrome (ptsosis, miosis)

Question 9

Amiodarone: use, adverse effects

Answer 9

-class III antiarrhythmic drug -management of ventricular arrhythmias @ CAD or ischemic cardiomyopathy -SE: pulmonary toxicity

Question 10

Arrest of active labor definition

Answer 10

-no cervical change for >4 hours w/adequate contractions -no cervical change for >6 hours w/inadequate contractions

Question 11

Common DM neuropathies

Answer 11

-CNIII -peripheral @ extermities

Question 12

Presentation of pancreatic adenocarcinoma

Answer 12

-weight loss, anorexia -abdominal/back pain - +/- jaundice -recent onset atypical DM -migratory superficial thrombophlebitis -HSM/ascites (if metastasis)

Question 13

Risk factors for pancreatic adenocarcinoma

Answer 13

-smoking -hereditary pancreatitis -chronic pancreatitis -obesity/lack of physical activity

Question 14

Lab findings in measles

Answer 14

-leukopenia (t-cell cytopenia) -thrombocytopenia

Question 15

Measles prodrome and exanthem

Answer 15

-prodrome: -fever, malaise, anorexia -coryza, conjunctivitis, koplik spots (clustered white spots on buccal mucosa) -exanthem: -blanching, reddish-brown maculopapular rash -cephalocaudal & centrifugal spread -spares palms/soles

Question 16

Modifiable risk factors for osteoporosis

Answer 16

• adequate amounts of both calcium and vitamin D
• regular exercise
• cessation of cigarette smoking
• avoidance of alcohol abuse