lab quiz 5

the electrode on the right wrist is

• negative

• positive

• neutral

• earth

peak pressure reached during cardiac cycle

• diastole

• systole

• dicrotic notch

• isovolumetric periods

sympathetic innervation of the heart releases _________; parasympathetic innervation of the heart releases _________.

• acetylcholine, epinephrine

• epinephrine, acetylcholine

• norepinephrine, acetylcholine

• acetylcholine, norepinephrine

this ECG shows...

• atrial flutter

• atrial tachycardia

• sinus tachycardia

• ventricular tachycardia

higher preload directly results in higher

• stroke volume

• cardiac output

• heart rate

• cardiac reserve

what condition is it where the AV node takes over, resulting in a slow heaart rate and no P wave

• junctional rhythm

• second degree heart block

• atrial flutter

• first degree heart block

lub sound occurs from

• semilunar valves closing

• AV valves closing

• rush of blood into ventricle

• rush of blood into atrium