QUESTIONS AND ANSWERS (A+)
Where are Beta 1 receptors found? - √Answer :Heart
and Kidneys
Quiz :Stimulation of Beta 1 receptors result in an
increase of what? - √Answer :Heart: Inotropy,
Chronotropy, Dromotropy
Kidneys: Renin-Angiotensin-Aldosterone System =
Vasoconstriction = Increase blood pressure
Quiz :Which node is located at the junction of the
superior vena cava and the right atrium, is typically
supplied by the Right Coronary artery, and fires at a rate
of 60-100 bpm. - √Answer :SA Node
Quiz :Atrial depolarization characterized by smooth,
round, upright deflection less than 0.11 secs long and
less than 2.5mm tall is referred to as what on the ECG?
- √Answer :P wave
Quiz :Carvedilol (Coreg)
Metropolol (Lopressor)
Atenolol (Tenormin)
Propranolol (Inderal)
Bisoprolol (Zebeta)
Acebutolol (Sectral)
Comolol (Brevibloc) - √Answer :Beta Blockers - used for
blood pressure and cardiac problems
, Quiz :Epinephrine
Norepinephrine
Vasopressin
Dopamine
Phenylephrine
Dobutamine - √Answer :Vasopressors
Quiz :The middle of phase 3 to beginning of phase 4 in
the cardiac cycle where cardiac cells are partially
refractory and partially repolarized and certain cells can
be depolarized in response to electrical stimulus. -
√Answer :Relative Refractory Period
(Partial flush of the toilet)
Quiz :Starlings Law - √Answer :When end diastolic
volume increases, stroke volume increases as well.
(When more blood is in the ventricles, the cardiac
muscle stretches like rubber band and creates more
forceful contraction)
Quiz :Intrinsic Rate for Ventricles (Purkinje Fibers) -
√Answer :20-40
Quiz :Intrinsic Rate for AV Junction - √Answer :40-60
Quiz :Treatment for Beta Blocker Overdose -
√Answer :Glucagon: 1-5mg IV/IO (1st Line Drug)
Calcium Chloride: 500mg - 1g IV/IO
Quiz :Why do we give Nitro for chest pain?