NBME CBSE

NBME CBSE STUDY GUIDE/ TEST BANK Type II pneumocytes surfactant (lecithin) Proliferate after injury Type I progenitors Neonatal Respiratory Distress Syndrome Polio live v killed vaccine Killed = Salk = IgG Live = Sabin = IgG + IgA - can be shed in feces Neonatal Respiratory Distress: Etiology + Tx Maternal DM (high insulin) or C-section (low cortisol) TX: dexamethasone before birth Lung maturity determined with Amniocentesis of Phospholipids (*type II pneumocytes) L >>...

NBME Why an deoxy. blood carry more CO2 for a given PCO2 than oxy blood? - ANSW Deoxy Hb is a better buffer of H ions than oxy Hb due to Haldane effect in lungs What method should be used to identify clusters of differentiation (e.g. CD44)? - ANSW Immunohistochemistry (checks surface proteins expressed by cells) *REMEMBER: PCR does not equal ELISA lol - PCR identifies DNA sequences Pancreatic cancer is associated w/ what behavioral change? - ANSW Major depressive disorder - app...

NBME USMLE STEP 1 Pharmacology | Practice 50 cards What are the major functions of the α1 receptor? - ANSW Increase vascular smooth muscle contraction, increase pupillary dilator muscle contraction (mydriasis), increase intestinal and bladder sphincter muscle contraction What are the major functions of the α2 receptor? - ANSW Decrease sympathetic outflow, decrease insulin release, decrease lipolysis

NBME CBSE Type II pneumocytes - ANSW surfactant (*lecithin*) Proliferate after injury Type I progenitors *Neonatal Respiratory Distress Syndrome* Polio live v killed vaccine - ANSW Killed = Salk = IgG Live = Sabin = IgG + IgA - can be shed in feces

NBME CBSE: PUBLIC HEALTH SCIENCES PT. 1 What is a case series? - ANSW Description of clinical findings/symptoms for several patients with the same diagnosis, treatment, or outcome. What is a cross-sectional study? - ANSW Assesses the frequency of disease and risk-related factors in the present.

NBME 30 56 y/o F comes to physician 3 wk hx increasing weakness of arms and legs. - Smoking - Weakness of hip girdle muscles, lesser weakness of shoulder girdle muscles. - Weakness improves with repetitive testing. - Hilar lung mass What's impaired: - Acetylocholinesterase

nbme 16 20 yo woman with 8 yr hx of intermittent HA's, flashing lights in right visual field, f/by unilateral THROBBING headache with NAUSEA, vomiting, with menses - ANSW MIGRAINE HA-rmbr "POUND"--Pulsatile, One-day duration, Unilateral, Nausea, Disabling. pulsating pain with N/photophobia/phonophobia/aura. Avoid TYRAMINE-containing products intense periorbital pain, tears, rhinorrhea, smoker, for 15 mins-3 hours - ANSW Repetitive brief HA',s Excruciating periorbital pain with lacrim...

NBME 13 progressive weakness, dec strength, hand muscle atrophy, diffuse hyperreflexia and fascicultations on hands and arms, normal sensory exam; - ANSW amyotrophic lateral sclerosis (ALS) --death of both upper and lower motor neurons in the motor cortex of the brain, the brain stem, and the spinal cord --Stephen Hawking disease --*UMN and LMN signs* --rapidly progressive weakness with fasciculations

NBME 13 (Explanations progressive weakness, dec strength, hand muscle atrophy, diffuse hyperreflexia and fascicultations on hands and arms, normal sensory exam; - ANSW amyotrophic lateral sclerosis (ALS) --death of both upper and lower motor neurons in the motor cortex of the brain, the brain stem, and the spinal cord --Stephen Hawking disease --*UMN and LMN signs* --rapidly progressive weakness with fasciculations eventually leading to muscle atrophy, spasticity, dysarthria, dysphagia, ...

NBME CBSE REAL EXAM 200 QUESTIONS AND ANSWERS LATEST (usmle step 1)MEDICAL EXAMINATION LATEST UPDATES MAY 2023 A GRADE