UWorld Flashcards
TH2 cells make something that –> Be cells –> make IgE. What?
IL-4
Standard deviations
within 1 SD- 68%
Within 2 SD- 95%
Within 3 SD- 99.7%
Pyruvate kinase deficiency
–> insufficient ATP for RBC and hemolysis
Splenic red pulp - removes damaged RBCs–> splenomegaly
Aplastic crisis in sickle cell pts usually due to
Parvovirus B19–> erythroid precursors in bone marrow
Parvovirus structure
nonenveloped SS DNA virus
Guy has TB. What cell surface marker on granuloma?
Cd 14 is the monocyte macrophage lineage
Adrenal medulla
chromaffin cells
stimulated by Ach
secrete catecholamines
anti-Rh is what Ig class?
IgG
Thiamine
= vitamin B1
Wernicke Korsakoff- confusion, ataxia, memory
Beribery- peripheral neuropathy
what binds to stop codons?
relseasing factor proteins
UAA, UGA, UAG
Retinal artery occlusion. Path of the clot?
internal carotid –> opthalmic–> retinal artery
diptheria symptoms and MOA of rx
sore throat, fever, cervical adenopathy, coalescing PSEUDOMEMBRANE
–> myocarditis/ heart failure
antibodies bind and prevent exotoxin from attaching to host cell membranes
Neural crest derivatives
MOTEL PASS
melanocytes odontoblasts tracheal cartilage enterochromaffin cells laryngeal cartilage parafollicular cells of the thyroid adrenal medulla and ganglia schwann cells spiral membrane
personality- what part of brain?
frontal lobe.
left side issue–> apathy and depression
right side issue–> disinhibited behavior
ionizing radiation rx cancer how?
DNA double strand breaks and free radical formation
UV light is non ionizing and –> pyrimidine dimers
hypothermia and the O2 dissociation curve
left shift; stabilizes bonds