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Last Chance Saloon

Last shot at taking USMLE, quick recall questions from different question banks

QuestionAnswer
Function of BRCA 1 gene Codes protein for cell cycle control & role in gene repair and transcription
MCC of fungal chronic pneumonia in immunocompetent Blastomycoses dermatiditis
How does Digoxin dec AV Nodal conduction Increasing parasympathetic tone
Triad of HUS Acute RF, Microangiopathic hemolytic anemia, thrombocytopenia
MC location of intracranial Schwannomas Cerebellopontine Angle
Location of Cerebellopontine Angle B/w cerebellum and Lateral Pons
3 D’s of Botulism Diplopia, Dysphagia, and Dysphonia
Aplastic Anemia AKA Pancytopenia
Most serious Digoxin toxicity Ventricular tachyarrhythmia
Function of Prostacyclin Inhibits platelet aggregation & adhesn to vascular endothelium, stimulates leuk chemotaxis
Antibodies against Neutrophil Myeloperoxidase Churg-Strauss
Part of GI always affected in Hirschsprung’s Rectum
Positive germ tube test Candida
Function of Topoisomerase II Removal of supercoils
Function of Helicase Unwinding of double helix
Function of Primase (RNA polymerase) Synthesis of RNA primer
Function of DNA polymerase III DNA synthesis
Function of DNA polymerase I Removes RNA primer & replaces RNA w DNA (5’-exonuclease)
Function of DNA ligase Joining of Okazaki fragments
SE of Valproate Decrease Folic Acid abs = teratogen
Triad of Wiskott-Aldrich Eczema, thrombocytopenia, & combo B & T-cell deficiencies
Feared SE of Bupropion therapy Seizures
Type of Neuropathy in DM with CN III Ischemic Neuropathy
Cells in Cell-mediated immunity TH1-CD4 which secrete IL-2 & IF-g
Genetic mutation in Turner’s Mitotic Error in early development
In CNS, serotonin releasing neurons Raphe Nuclei
MC viral acute hemorrhagic cystitis outbreaks in children Adenovirus
S/S of theophylline intoxication Abdominal pain, vomiting, Seizures
Atypical antipsychotics Clozapine, Risperidone, Olanzapine, Quefiapine
RNA Polymerase I codes rRNA
RNA Polymerase II codes mRNA
RNA Polymerase III codes tRNA
MCC fetal hydronephrosis inadequate recanalization of ureteropelvic jnct (jnct b/w kidney & ureter)
Test comparing 2 means 2 sample t Test
Estrogen effect on T4 increases T4 w/o altering Thyroid function
RBF = RPF/(1-Hct) nl~1000ml/min
Cells that regulate body’s iron content Hepatic parenchymal cells
Part of nephron that Vasopressin acts on Medullary segment of Collecting Duct
Type of anemia with HUS Microangiopathic hemolytic anemia
Cell stimulated by LH in males Leyding cell
In Males, Leyding cells secrete Testosterone
Cell stimulated by FSH in males Sertoli cell
In males, Sertoli cells secrete Inhibin B
Created by: snezya24