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NBME CBSE ACTUAL TEST QUESTIONS AND ANSWERS (Testbank with all the correct answers) (USMLE step 1) Medical examination 2000+ Questions $13.39   Add to cart

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NBME CBSE ACTUAL TEST QUESTIONS AND ANSWERS (Testbank with all the correct answers) (USMLE step 1) Medical examination 2000+ Questions

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NBME CBSE ACTUAL TEST QUESTIONS AND ANSWERS (Testbank with all the correct answers) (USMLE step 1) Medical examination 2000+ Questions Bronchioalveolar carcinoma is also known as - ANSAdenocarcinoma in situ Does Bronchioalveolar carcinoma have a good px - ANS-YES even though malignan...

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  • September 16, 2024
  • 206
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NBME CBSE
  • NBME CBSE
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NBME CBSE ACTUAL TEST
QUESTIONS AND ANSWERS
(Testbank with all the correct
answers) (USMLE step 1)
Medical examination 2000+
Questions
Bronchioalveolar carcinoma is also known as - ANS-
Adenocarcinoma in situ

Does Bronchioalveolar carcinoma have a good px - ANS-YES
even though malignant

#1 lung cancer - ANS-Adenocarcinoma

Bronchiolaveolar carcinoma characteristics - ANS-*thickened*
columnar cells along alveolar walls

Bronchiolaveolar carcinoma genes - ANS-KRAS
EGFR
ALK

SCC in lungs characteristics - ANS-*keratin pearls*
hilar mass
*HyperCa* --> PTHrP
(stones, bones, groans, psych overtones)

,SCLC - ANS-neuroendocrine
(*neural cell adhesion molecule)
HORMONES: *ACTH, ADH*,
Lambert Eaton

Acute transplant rejection in lungs - ANS-*perivascular*
mononuclear infiltrates in smalll bv

Chronic transplant rejection in lungs - ANS-*Bronchiolitis
obliterans*
in small airways

Gastroschisis - ANS-not covered by periotoneum
poor GI function

Omphalocele - ANS-Midline herniation
*covered* by periotoneum
normal GI function

**Trisomy 13/18*, CL/P

Diverticulitis - ANS-outpouching of
*mucosa + submucosa*
**Dysphagia

most diverticulitis are - ANS-FALSE (pulsion, Zenker)

Meckel Diverticulum - ANS-TRUE = *traction*
bulge at ileum

Mallory Weiss - ANS-Mucosal tears
due to intraabdominal pressure

,Boerhaave - ANS-*Transmural *distal rupture
due to increased intraabdominal pressure

Esophagel cancer in upper 2/3 - ANS-SCC

Esophageal cancer in lower 1/3 - ANS-Adenocarcinoma

Splenic vein thrombosis causes gastric varices where - ANS-fundus

esophageal dysfunction can be due to enlarged - ANS-left atrium

GERD - what happens to LES tone - ANS-DECREASED LES tone

Achalasia - what happens to LES tone - ANS-INCREASED LES tone

Krukenberg tumor - ANS-gastric cancer
*signet ring cells*: mucin displaces nucleus
**spreads to ovary

Zollinger-Ellison tumor - ANS-Gastrin secreting
causes PUD
dx: increased secretin

Vipoma - ANS-watery diarrhea + hypoK
tx: octreotide

Carcinoid syndrome - ANS-*intestinal tumor* (*enterochromaffin)
--> *5HT, Bradykinin, PGE*

watery diarrhea
telangiectasis
Bronchospasm
**RIGHT VALVULAR FIBROUS PLAQUES

, *METASTASIS*

Levels increased in Carcinoid syndrome - ANS-*5-HIAA* in urine
high histamine, VIP
*5HT, Bradykinin, PGE*
**LOW NIACIN

Tx Carcinoid syndrome - ANS-*Octreotide*
(somatostatin w longer t1/2)

Gastrin is from - ANS-G cells

Gastrin causes - ANS-mucosal growth
H secretion from parietal

Gastrin released due to - ANS-Vagal (GRP)
Phenylalanine
Distension

Secretin is from - ANS-S cells

Secretin causes - ANS-*HCO3* = increase pH (pancreas)
*Bile* excretion

Secretin is released due to - ANS-low pH
fatty acid

Pepsin is from - ANS-Chief cells

Pepsin is released due to - ANS-Vagal (ACh)
low pH
*(digest protein)*

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