Exam (elaborations)
ABSITE 2024 QUESTIONS AND ANSWERS
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ABSITE 2024 QUESTIONS AND ANSWERS
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ABSITE 2024 QUESTIONS AND ANSWERSMinimum FEV1 for pneumonectomy? For lobectomy? For wedge resection? - Answers-
Pneumonectomy: FEV1 > 2 L
Lobectomy: FEV1 > 1.5L
Wedge resection: FEV1 > 0.8L
What are the diagnostic criteria for brain death? - Answers-1) Normothermia for > 6
hours
2) No brainstem reflexes
3) Positive apnea test (PCO2 > 60 or >20mmHg above baseline after 10 minutes off
ventilator)
4) No paralytics, sedatives, or acid-base/electroyte disturbances
What is the gold standard imaging test for brain death? What is an alternative test? -
Answers-Gold standard: 4-vessel angiography
Backup test: radionucleotide scintigraphy
Anatomic borders of a superior lumbar hernia of Grynfeltt? - Answers-Latissimus dorsi,
serratus posterior inferior, and posterior border of the internal oblique
Anatomic borders of a inferior lumbar hernia of Petit? - Answers-Latissimus dorsi
(posteriorly), iliac crest (inferiorly), posterior border of the external oblique (anteriorly)
What is the preop medication before resecting an aldosteronoma? - Answers-
Spironolactone
Treatment for an acute provoked VTE with modifiable risk factors? - Answers-
Anticoagulation for at least 3 months, modify risk factors
Treatment for an acute provoked PVE without modifiable risk factors? - Answers-
Indefinite anticoagulation
Treatment for an unprovoked VTE? - Answers-Indefinite anticoagulation
Branching fibrovascular core with epithelial + myoepithelial layers and cellular atypia =
what is the diagnosis? - Answers-Intraductal papilloma
What is the threshold for empiric gallbladder polyp resection? - Answers-10mm
Besides size > 10mm, what are the 7 indications for CCX for gallbladder polyps? -
Answers-- increase >2mm on serial U/S
- Native American ethnicity
- sessile morphology
- symptomatic
- PSC
, - Age > 50 years
- concurrent gallstones
Typical location for somatostatinomas? - Answers-Pancreatic head/ampulla
What are the 3 mechanisms by which full-thickness grafts survive at the donor site, in
order? - Answers-1) Plasmatic inbibition (passive absorption)
2) Inosculation (forming vascular connections between graft and site)
3) Angiogenesis
Mechanism of action of benzodiazepines? - Answers-Increase frequency of Cl- channel
opening - GABA potentiator
What is the most serious complication of liver transplant? What are the symptoms?
What is the treatment? - Answers-Primary graft non-function is the most serious
complication.
Symptoms are continued, progressive liver dysfunction after transplantation.
Treatment is emergent re-transplantation.
What is the best test to differentiate between esophageal motility disorders? - Answers-
Manometry
Side effect of mafenide (sulfamylon)? - Answers-Metabolic acidosis (carbonic anhydrase
inhibitor)
Side effect of silver nitrate? - Answers-Methemoglobinemia, hyponatremia (think of the
negative nitrate ion chelating positive ions)
Silver sulfadiazine (silvadene) - Answers-Transient neutropenia
Bacitracin side effect? - Answers-Nephrotoxicity
What is the empiric dose of epinephrine for anaphylaxis - Answers-0.3 mg
Name 4 genes associated with Lynch syndrome (HNPCC) - Answers-MLH1, MSH2,
MSH6, PMS2
What are the two cancers associated with HNPCC/Lynch syndrome? - Answers-Colon
and endometrial cancer
When should patients with a Lynch syndrome diagnosis undergo colonoscopy
screening? - Answers-At age 20-25, or 2-5 years before the earliest known case of
cancer, whichever is earliest
How often should Lynch syndrome patients get screening colonoscopies? - Answers-
Every 1-2 years
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