NWCA EXAM QUESTIONS AND
ANSWERS
the0heart0is0located0in0the0-0ans✔mediastinum
the0valves0of0the0heart0are0made0up0of0-0ans✔endocardium
why0is0cardiac0tissue0unique0-0ans✔bc0it0is0all0fused0together,0so0it0acts0as0one
where0is0the0AV0bundle0located0-0ans✔at0the0top0of0the0septum
or
on0the0wall0between0the0right0atrium0and0the0right0ventricle
what0can0happen0when0the0heart0beats0too0slowly0-0ans✔syncope
electrocardiogram0-0ans✔a0recording0or0tracing0of0an0EKG
cardiac0cycle0-0ans✔the0beginning0of0a0beat0until0the0beginning0of0the0next0beat
=0PQRST
when0does0a0U0wave0occur0-0ans✔when0a0patient0has0very0low0K+
what0does0the0standard0check0-0ans✔the0voltage0that0the0instrument0is0using
lead0-0ans✔a0picture0of0the0heart
normal0standard0-0ans✔100mm/mV
electrocardiograph0-0ans✔the0instrument0used0for0recording0the0heart's0activity
ground0electrode0-0ans✔right0leg
what0would0a0muscle0tremor0look0like0on0an0EKG0-0ans✔a0fuzzy0irregular0baseline
ANSWERS
the0heart0is0located0in0the0-0ans✔mediastinum
the0valves0of0the0heart0are0made0up0of0-0ans✔endocardium
why0is0cardiac0tissue0unique0-0ans✔bc0it0is0all0fused0together,0so0it0acts0as0one
where0is0the0AV0bundle0located0-0ans✔at0the0top0of0the0septum
or
on0the0wall0between0the0right0atrium0and0the0right0ventricle
what0can0happen0when0the0heart0beats0too0slowly0-0ans✔syncope
electrocardiogram0-0ans✔a0recording0or0tracing0of0an0EKG
cardiac0cycle0-0ans✔the0beginning0of0a0beat0until0the0beginning0of0the0next0beat
=0PQRST
when0does0a0U0wave0occur0-0ans✔when0a0patient0has0very0low0K+
what0does0the0standard0check0-0ans✔the0voltage0that0the0instrument0is0using
lead0-0ans✔a0picture0of0the0heart
normal0standard0-0ans✔100mm/mV
electrocardiograph0-0ans✔the0instrument0used0for0recording0the0heart's0activity
ground0electrode0-0ans✔right0leg
what0would0a0muscle0tremor0look0like0on0an0EKG0-0ans✔a0fuzzy0irregular0baseline