A BSITE : THE NITTY, GRITTY STUFF PART 3. The pre-transplant crossmatch involves A) recipient...
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Transcript of A BSITE : THE NITTY, GRITTY STUFF PART 3. The pre-transplant crossmatch involves A) recipient...
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ABSITE:
THE NITTY, GRITTY STUFFPART 3
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The pre-transplant crossmatch involvesA) recipient lymphocytes & donor plasmaB) recipient plasma & donor lympocytesC) recipient macrophages & donor
globulinsD) recipient globulins & donor
macrophages
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Adherence of leukocytes to the endothelium is due toA) integrinsB) P-selectinC) L-selectinD) E-selectin
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The fluoroquinolonesA) are primarily effective in gram +
bacteremiaB) have low concentrations in bileC) chronic liver disease dramatically
affects pharmacokineticsD) are greater than 50% excreted
unchanged in the urine
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The source of free oxygen radicals in reperfusion injury isA) superoxideB) hydrogen peroxideC) hydroxy radicalsD) xanthine oxidase
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Marfan’s syndrome is associated with all of the following exceptA) aortic valve insufficiencysB) incomplete collagen formationC) abnormal bleedingD) decreased bone mass
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The changes associated with a mucous producing villous adenoma of the sigmoidA) metabolic acidosisB) hypokalemiaC) urine pH 8.0D) serum HCO3 of 15
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Complications of hypothermia includeA) convulsionB) tachycardiaC) diuresisD) hypercoagulation
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A 30yo female attempts suicide with the ingestion of lye. Examination of the mouth & pharynx demonstrates erythema. Appropriate management isA) IVF, antibiotics & observationsB) esophagoscopy to level of the 1st burnC) esophagoscopy to include the stomachD) laparotomy, gastrostomy & TPN
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A 68yo presents with signs of sepsis, substernal chest pain & air crepitus in the left neck. These symptoms & signs developed 16hr ago after forceful vomiting of a heavy meal. Treatment should includeA) chest tube, IVF & antibioticsB) left thoracotomy & repairC) right thoracotomy & repairD) laparotomy & repair
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12hr following esophagoscopy & biopsy of an obstructing esophageal cancer, the patient presents with fever & substernal chest pain. Esophagogram reveals perforation of the distal esophagus. Appropriate treatment isA) esophageal tube suction, IVF &
antibioticsB) chest tube, esophageal suction, IVF &
antibioticsC) closure of the perforation, chest tube, IVF
& antibioticsD) esophagectomy & esophagogastrostomy
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A patient is placed on IVF & NPO following an uneventful laparotomy. 12hr later the patient develops palor, sweating, hypotension & abdominal pain. On exam the upper abdomen is distended & tympanic with a succussion splash. Appropriate action isA) increase IVF & transfuse pRBCsB) return to the ORC) insert NGTD) provide ventilatory support
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Splenectomy may be useful in the management ofA) hairy cell leukemiaB) malariaC) chromic myelogenous leukemiaD) sickle cell disease
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A pulmonary function that would prohibit a successful pneumonectomy is A) FEV1 of 1000B) pCO2 47C) ability to climb 2 flights of stairsD) previous MI
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The most common complication of a popliteal aneurysm is A) thrombosisB) embolizationC) ruptureD) neurolysis
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The IMVA) drains the distal rectumB) passes lateral to the ligament of treitzC) joins the portal veinD) is medial to the aorta
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The right renal artery passesA) anterior to the vena cavaB) anterior to the renal veinC) anterior to the renal pelvisD) anterior to the IMV
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The muscle anterior to the femoral artery in the Hunter’s canal isA) adductor minimusB) adductor magnusC) quadriceps femorisD) vastus medialis
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Which of the following group of drugs will provide effective treatment for hypertrophic subaortic stenosisA) inotropesB) Ca channel blockersC) ACE inhibitorsD) loop diuretics
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The etiology of myasthenia gravis isA) insufficient AchB) motor nerve axonal degenerationC) decreased number of Ach receptorsD) overproduction of Ach esterase
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The earliest sign of uncal herniation isA) unilateral pupil dilatationB) deep comaC) contralateral decerebrate posturingD) bilateral decerebrate posturing
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A 30yo female with a history of dysmenorrhea & dyspareunia is found to have a tender 3cm smooth submucosal rectal mass. Appropriate treatment isA) danazolB) FlagylC) LARD) TAH-SBO
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Treatment of a malignant melanoma 2mm in depth isA) excision with 1cm marginsB) excision with 2cm margins & sentinel
node biopsyC) excision with 4cm margins & prophylatic
node dissectionD) excision with 1cm margins & interferon
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Malignant pheochromocytoma is clearly identified by which of the followingA) capsular invasionB) venous invasionC) invasion of adjacent structuresD) histological examination
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The only certain sign of parathyroid malignancy isA) histologic featuresB) renal diseaseC) bone diseaseD) recurrence after resection
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Proper treatment for a 3cm papillary thyroid cancer with tumor involving 4 lymph nodes isA) ipsilateral lobectomy with resection of
involved lymph nodesB) total thyroidectomyC) total ipsilateral lobectomy, near total
lobectomy on the contralateral side, & resect involved lymph nodes
D) total thyroidectomy, central compartment node dissection & modified radical neck dissection
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Appropriate treatment for family members (without tumor) having a heterozygous RET proto-oncogene isA) observationB) total parathyroidectomyC) total thyroidectomyD) bilateral adrenalectomy
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Failure to identify gamma radiation or blue dye in a sentinel node biopsy procedure is due toA) no evidence of metastatic diseaseB) incorrect FNA diagnosis of cancerC) failure of dye & radiolabeled colloid to
migrateD) absence of axillary lymph nodes
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The appropriate ultrasound probe for examination of a breast mass isA) 1.5-2.5 mHzB) 3-3.5 mHzC) 5-5.5 mHzD) 7.5-10 mHz
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Which of the following is the mediator that leads to relaxation of the sphincter of Oddi, is partially mediated by cholinergic stimuli, & has a diminished effect following vagotomyA) somatostatinB) glucagonC) cholecystokininD) gastrinE) secretin
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The ilioinguinal nerveA) is a branch of the femoral nerveB) has a motor componentC) can be injured easily at the internal
spermatic ringD) provides sensation for the penis &
upper scrotumE) runs along the hypogastric vein
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The spleen filters all of the following particles/cells exceptA) malformed erythrocytesB) T lymphocytesC) malarial parasitesD) steptococcus pneumoniaeE) platelets
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After undergoing complete axillary node dissection for sentinel node positive breast cancer, your patient has difficulty with forced should adduction. She is having difficulty pulling herself out of her chair. There is concern about injury to which nerve?A) intercostal brachial nerveB) thoracodorsal nerveC) long thoracic nerveD) lateral pectoral nerveE) ulnar nerve
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Stercoral perforations are defined asA) linear tears of the colon without
ischemic changesB) perforated ulcers caused by an
enlarging colonic carcinomaC) perforated colonic ulcers with necrotic &
inflammatory edgesD) perforated ischemic ulcers of the
terminal ileum
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The most common cause of intrahepatic presinusoidal portal hypertension isA) alcoholic cirrhosisB) congential hepatic fibrosisC) schistosomiasisD) splenic vein thrombosisE) Budd-Chiari syndrome
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Which of the following statements about burns is not trueA) in major burns, clinically significant
interstitial edema is seen in distant soft tissues secondary to a combination of mediators generated in the wound & hypoproteinemia
B) using the modified Brooke formula, during burn resuscitation adults should receive 2-4mg/kg/%burn/24hr of LR (1/2 in 1st 8 hr)
C) pigment (myoglobin) induced ATN is most common in patients who have sustained high-voltage electrical injury or deep thermal burns
D) patients who suffer chemical burns as a result of concentrated hydrofluoric acid may experience life threatening hypercalemia
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Ranson’s criteria on admission for prediction of severity of acute non-biliary pancreatitis include all of the following exceptA) age >55B) WBC >16,000C) glucose >200mg/dlD) serum magnesium >1.5mg/dl
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Which of the following statements about blunt carotid injury is not trueA) blunt carotid injury is frequently
associated with closed head injury or cervical spine injury
B) neurological deficits associated with blunt carotid injury are frequently absent on admission, but do develop within 12hr of injury
C) more than 50% of patients with uncomplicated carotid artery dissection as a result of blunt trauma have a reasonably good neurologic outcome
D) arterial dissections as a result of blunt trauma are best managed by anticoagulation
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Enterocutaneous fistula management in a stable patient should include all of the following exceptA) establishment of controlled drainage &
skin protectionB) immediate corrective surgeryC) provision of adequate nutritionD) prevention of fluid & electrolyte
depletion
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A 47yo paraplegic patient is brought to the ER with abdominal distention. He has not had a bowel movement in several days. The abdomen is distended & minimally tender without evidence of peritoneal signs. A KUB massive distention of the colon. The next step in management should includeA) IV vancomycinB) IVF & immediate laparotomyC) colonoscopic decompressionD) CT of the abdomenE) diagnostic laparoscopy
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A 7 yo child undergoes general anesthesia for repair of an inguinal hernia. 10min into the operation, the patient is noted to have a temp of 104, tachycardia, & diffuse skeletal muscle rigidity. The most appropriate treatment for this situation isA) hyperventilation to achieve pCO2
<25mmHgB) dantrolene sodiumC) SC heparin sodiumD) IM epinephrineE) none of the above
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A 67yo smoker undergoes a chest CT to evaluate a 1cm lung nodule on chest x-ray. The CT scan demonstrates mediastinal adenopathy. The next step in the workup should beA) MRI of the chest & abdomenB) liver-spleen scan to evaluate for
metastasesC) chemotherapy consultationD) radiation consultationE) bronchoscopy & mediastinoscopy
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A 65 yo man presents with moderate epigastric pain of 2 wks duration radiating to his back. Evaluation reveals a 3cm tumor in the head of the pancreas. All the following conditions would preclude tumor resectability, exceptA) presence of extrapancreatic diseaseB) evidence of tumor extension to the SMAC) evidence of tumor extension to the
celiac axisD) a patent SMV-portal vein confluenceE) involvement of a single lymph node in
the hepatic hilum
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An established indication for coronary artery bypass grafting remainsA) critical left main diseaseB) triple vessel disease with normal
ventricular functionC) 2 vessel disease of the right coronary &
left circumflex arteriesD) distal left anterior descending artery
diseaseE) right coronary artery disease with
congestive heart failure
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When performing ERCP, a sphincterotomy is indicated inA) acute biliary pancreatitis with common
bile duct stone at ERCPB) gallstone pancreatitis without CBD stone
present at ERCP when cholecystectomy is not possible
C) recurrent acute pancreatitis with sludge present in the biliary tract in the post-cholecystectomy patient
D) acute biliary pancreatitis during pregnancy
E) all of the above
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Guidelines for minimizing morbidity during lap ccy in patients with hepatic cirrhosis include all of the following exceptA) using an open technique with the Hasson
trocarB) using a right paramedian trocar approachC) using an argon beam coagulatorD) performing a subtotal cholecystectomy in
cases of severe inflammationE) using open cholecystectomy more
frequently
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Which of the following is true concerning necrotizing pancreatitisA) less than 30% of patients develop
infected necrosisB) infection is the main determinant of
prognosisC) infected necrosis is an uncommon
indication for surgery in acute necrotizing pancreatitis
D) sterile necrosis is usually treated operatively
E) surgery is not indicated in acute necrotizing pancreatitis
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A 27yo umpire wearing no protective gear is inadvertently struck in the chest by a player’s bat. He lost consciousness for 30sec after impact. During EMS transport, vital signs are 102/76, 114, 22, 97% on 2L NC. On arrival to the ER, the patient is awake & alert, c/o chest pain. He has ecchymosis & tenderness over his sternum. Lungs are clear, heart sounds tachycardic with no murmurs. His physical exam is otherwise normal.
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Which of the following is the best screening tool for assessing blunt cardiac injury?A) CK, CK-MBB) EKGC) transesophageal echoD) transthoracic echoE) troponin
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A 65 yo woman presents to the ER with a swollen right calf. She has a hx of lung ca & is receiving chemotherapy. DVT is suspected, & a D-dimer test is ordered, the result of which is highly positive. Records of previous blood tests show that this patient’s D-dimer levels were always higher than normal.
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What is the next step in the management of this patient?A) order a BNP to rule out heart failure
caused by chemotherapyB) order compression ultrasonographyC) order a venogramD) no further evaluation
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The patient is found to have DVT of the calf with extension to the right proximal vein. Anticoagulation therapy should be initiated. Which of the following is a relative contraindication to anticoagulation?A) brain metastasisB) GI bleeding in the past 6 monthsC) platelet count < 60,000D) severe hypotension
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The patient is prescribed unfractionated heparin. All the following are adverse effects associated with unfractionated heparin exceptA) elevated PTTB) osteoporosisC) thrombocytopeniaD) worsening renal failure
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EMBRYOLOGY
Ileal atresiaVascular insult
Duodenal atresiaLack of revacuolization from solid cord
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Name 2 pancreatic enzymes that are secreted in their active formsAmylaseLipase
True or FalseGlucagon increases myocardial
contractility & HRTRUE
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Most common cause of pneumaturiaDiverticulitisSigmoid cancerOthers: crohn’s disease, radiation colitis
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Where is the SA node Junction of SVC & RA
Where is the AV node Junction of coronary sinus & RA
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Most likely reason for inguinal hernia recurrence after laparoscopic repairMigration of mesh
Treatment for urokinase overdoseAmicar (e-aminocaproic acid)
Inhibits fibrinolysis blocks the conversion of plasminogen to plasmin
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What is the first muscle to be paralyzedEyes, face
What is the last muscle to be paralyzeddiaphragm
True or FalseLast to go….first to come backTRUE!!!!
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HEAD & NECK TUMORS
0.5cm squamous cell cancer of vocal cord which is mobileRadiationT1 lesion
1cm lesion extending to supraglotic larynx with impaired mobility, clinically negative nodeRadiationT2 lesion
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HEAD & NECK
Squamous cell cancer of vocal cord that is fixed & extends to contralateral cordResection & radiationT3 lesion
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HEAD & NECK
True or FalseAdenoid cystic carcinoma of parotid gland
invades into the facial nerveTRUEMalignant cancer total parotidectomy, resection facial nerve, ipsilateral MRND, radiation
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4 malignancies that are decided on clinical basis (can’t depend on histology)Cystosarcoma phylloidesPheochromocytomaMalignant thymic tumorParathyroid cancer
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CROHN’S OR ULCERATIVE COLITIS
Crypt abscessesUlcerative colitis
GranulomasCrohn’s
CobblestoningCrohn’s
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CROHN’S OR ULCERATIVE COLITIS
Serpiginous ulcersCrohn’s
PseudopolypsUlcerative colitis
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ORDER OF TREATMENT
MEN 1Total parathyroidectomy with auto-
transplantationPancreatic tumorPituitary tumor
MEN2aAdrenalectomyThyroidectomyPituitary
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ORDER OF TREATMENT
MEN2bAdrenalectomyThyroidectomy
Most common pancreatic endocrine tumor Insulinoma
Most common pancreatic endocrine tumor in MEN syndromesGastrinoma