uWorld 53 Flashcards
1
Q
what is the cardiac tissue conduction velocity in the different parts of the heart
A
"Part AT VENTure AVenue" Perkinje system: 2.2 m/sec ATrial muscle: 1.1 m/sec VENTricular muscle: 0.3 m/sec AV node: 0.05 m/sec
2
Q
what is lysozyme
A
an antimicrobial enzyme that can be found in many secretions
saliva, tears, granules in neutrophils
hydrolyzes bonds in the peptidoglycan cell walls of bacterial organisms
3
Q
what autosomal dominant disorder is due to sporadic mutation from advanced paternal age
A
ACHONDROPLASIA
4
Q
majority of overdose deaths in the US is due to what
A
OPIODS
this is regardless of if the patient is on antidepressants or antianxiolytics- if they use drugs and OD its most likely OPIOIDS