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NBME CBSE REAL EXAM 200 QUESTIONS AND ANSWERS LATEST (usmle step 1)MEDICAL EXAMINATION $17.99   Add to cart

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NBME CBSE REAL EXAM 200 QUESTIONS AND ANSWERS LATEST (usmle step 1)MEDICAL EXAMINATION

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NBME CBSE REAL EXAM 200 QUESTIONS AND ANSWERS LATEST (usmle step 1)MEDICAL EXAMINATION Cholecystokinin causes - ANS-pancreatic/gb contraction CCK is released due to - ANS-fatty acids and aa VIP causes - ANS-*increase pH* via H2O/e excretion Relax sphincter NO in GI causes - ANS-relaxation...

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  • September 15, 2024
  • 196
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NBME CBSE REAL LAT
  • NBME CBSE REAL LAT
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NBME CBSE REAL EXAM 200 QUESTIONS AND
ANSWERS LATEST (usmle step 1)MEDICAL
EXAMINATION
Cholecystokinin causes - ANS-pancreatic/gb contraction

CCK is released due to - ANS-fatty acids and aa

VIP causes - ANS-*increase pH* via H2O/e excretion
Relax sphincter

NO in GI causes - ANS-relaxation of LES

Ghrelin causes - ANS-increased appetitie

GIP/GLP is released from - ANS-L cells

GIP/GLP causes - ANS-Dexcrease H
Increase insulin

Acute gastritis is caused by - ANS-*NSAID* (low PGE2 in PMN)
*Burns *= Curling (hypovolemic)
*Brain *= Cushing (high *Vagal*, ACh)

H pylori gastritis is located - ANS-antrum

H pylori gastritis increases risk for - ANS-MALT or
adenocarcinoma

H pylori gastritis histo - ANS-patchy infiltrate + multifocal atrophy

Autoimmune gastritis is located - ANS-body/fundus

,Autoimmune gastritis can risk - ANS-pernicious anemia

H pylori duodenal PUD tx - ANS-*(use 2): *Amoxicillin /
clarithromycin /
metronidazole / tetracycline
+
*PPI* (omeprazole)

,Type II pneumocytes - ANS-surfactant (*lecithin*)
Proliferate after injury
Type I progenitors
*Neonatal Respiratory Distress Syndrome*

Polio live v killed vaccine - ANS-Killed = Salk = IgG

Live = Sabin = IgG + IgA
- can be shed in feces

Neonatal Respiratory Distress:
Etiology + Tx - ANS-Maternal DM (*high insulin*)
or C-section (*low cortisol*)
TX: *dexamethasone* before birth

Lung maturity determined with - ANS-Amniocentesis of
Phospholipids (*type II pneumocytes)
L >> S

Type I pneumocytes - ANS-Squamous gas diffusion

Elastase in lungs - ANS-macrophage: *lysosomes*
PMN: *azuronphilic granules* Commented [A1]:



Elastin stretches and recoils due to - ANS-Lysine interchain
crosslinks

air pressure and
intrapleural pressure at FRC - ANS-Air pressure = 0
Intrapleural pressure = -5

Pulm Vasc Resistance is lowest during - ANS-Exhale of Tidal
Volume

Lung Compliance is decreased by - ANS-LHF, pulmonary edema,

, pulmonary fibrosis

Lung Compliance is increased by - ANS-emphysema, age

Obesity affects ERV and FRC - ANS-DECREASE
ERV & FRC

Blood flow/min (pulmonary v systemic) - ANS-pulmonary =
systemic

Anatomic pulmonary shunting - ANS-Bronchial circulation causes
*decreased PO2 in LA/LV*
than in pulmonary capillaries

More ventilation is at the - ANS-BASE

O2-Hgb dissociation LEFT shift - ANS-basic, cold, low 2,3 BPG
low pO2 (compensatory erythrocytosis)

O2-Hgb dissociation RIGHT shift - ANS-low pH, high 2,3BPG,
high T
HOT, ACIDIC

CO2 transport to lungs - ANS-*carbonic anhydrase*
Cl shift
*Haldane*: CO2 released to lung
(*Bohr*: O2 release to tissue)

CO poisoning causes - ANS-carboxyhemoglobin
no affect on PaO2

Cyanide poisoning causes - ANS-lactic acidosis

How to treat cyanide poisoning - ANS-*Amyl nitrite* -->
Methemoglobin

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