Nurs 5315 Adv Patho Exam 3 Set 1 COMPLETE QUESTIONS AND ANSWERS.

Nurs 5315: Adv Patho Exam 3 Set 1
COMPLETE QUESTIONS AND ANSWERS



Cardiac ,Blood ,Flow ,- ,(correct ,answer) ,-o ,From ,body



o ,Through:

♣ ,Vena ,cavas

♣ ,Right ,atrium

♣ ,Tricuspid ,valve

♣ ,Right ,ventricle

♣ ,Pulmonic ,valve

♣ ,Pulmonary ,artery



o ,To ,lungs

♣ ,Pulmonary ,vein

♣ ,Left ,atrium

♣ ,Mitral ,valve

♣ ,Left ,ventricle

♣ ,Aortic ,valve



o ,Back ,to ,body

, Cardiac ,Anatomy ,- ,(correct ,answer) ,-The ,heart ,is ,the ,size ,of ,a ,closed ,fist



2/3 ,of ,the ,heart ,is ,to ,the ,left ,of ,the ,midline

1/3 ,under ,the ,sternum

heart ,layers ,- ,(correct ,answer) ,-Endocardium ,( ,inner)

myocardium ,( ,middle)

Pericardium ,( ,outer)

Cardiac ,action ,potential: ,phase ,0 ,- ,(correct ,answer) ,-rapid ,depolarization

Sodium ,influx ,d/t ,voltage-gated ,sodium ,channels ,opening

Cardiac ,action ,potential: ,phase ,1 ,- ,(correct ,answer) ,-initial ,repolarization ,of ,cells

voltage ,gated ,sodium ,channels ,closed

voltage ,gated ,potassium ,channels ,open

Potassium ,leaves ,cell ,slowly

Cardiac ,action ,potential: ,phase ,2 ,- ,(correct ,answer) ,-plateau ,phase

voltage ,gated ,calcium ,channels ,open

influx ,of ,calcium ,into ,the ,cell

balances ,potassium ,efflux

calcium ,influx ,triggers ,more ,calcium ,from ,sarcoplasmic ,reticulum ,> ,myocardial ,contraction

Cardiac ,action ,potential: ,phase ,3 ,- ,(correct ,answer) ,-Rapid ,Repolarization ,w/ ,potassium ,efflux

voltage ,gated ,potassium ,channels ,open

voltage ,gated ,calcium ,channels ,close

Cardiac ,action ,potential: ,phase ,4 ,- ,(correct ,answer) ,-resting ,membrane ,potential, ,-85 ,mV

High ,potassium ,permeability ,from ,the ,potassium ,channels

Potassium ,imbalance ,affect ,on ,myocardial ,action ,potentials ,- ,(correct ,answer) ,-Hypokalemia-
increased ,atrial ,preload ,leads ,to ,1-3 ,degree ,blocks

Hyperkalemia-slows ,depolarization, ,leads ,to ,sunus ,bradycardia ,and ,junctional ,rhythm