GRADED A LATEST VERSION 250
QUESTIONS AND ANSWERS GRADED
A+ {with practice exams}EXAM
ERABORATION
Premature complex is an individual complex that occurs earlier than the next
expected complex of the underlying rhythm.
What is a 2nd degree heart block? Are all P waves conducted? - CORRECT
ANSWER 2nd degree heart block os when electrical signals between your atria
and ventricles intermittently fail to conduct.
P-waves are not conducted through the AV node.
What is the normal QRS interval? - CORRECT ANSWER 0.04-0.12 seconds
What is the first drug used in ACLS? - CORRECT ANSWER Epinephrine
Define bigeminy - CORRECT ANSWER every other heart beat is a premature
contraction/extra heart beat
What is used to treat acute chest pain? - CORRECT ANSWER Nitroglycerin
Define PAT - CORRECT ANSWER atrial tachycardia greater than 150bpm
What drug treats PVCS? - CORRECT ANSWER PVCS= premature ventricular
contractions
Amiodarone
What drug treats bradycardia? - CORRECT ANSWER Atropine
,What is the PR interval in 1st degree block - CORRECT ANSWER 0.20 seconds
What 2nd degree block drops a QRS complex? - CORRECT ANSWER 2nd degree
heart block type II/ Mobitz II
Count heart rates - remember to identify a 3 or 6 second strip - CORRECT ANSWER
What receptor is located in the parasympathetic nervous system? - CORRECT
ANSWER muscarinic M1-M5
Nicotinic 1
Nicotinic 2
What rhythm clearly defines A. Flutter? - CORRECT ANSWER Saw tooth pattern
List all things that identify NRS - CORRECT ANSWER Normal upright P-waves
proceed every QRS complex
P-R interval 0.12-0.20
QRS 0.04-0.12
What receptor site would increase cardiac output? - CORRECT ANSWER Beta 1
receptors
A negative P wave happens at which site - CORRECT ANSWER AV junction
Sympathetic receptor types include what? - CORRECT ANSWER Adrenergic
receptors
Alpha
Beta 1
Beta 2
What cardiac cell receptors increase heart rate? - CORRECT ANSWER Beta 1
adrenergic receptors
Define trigeminy - CORRECT ANSWER Every 3rd complex is a PVC
What does sympathomimetic drug stimulate what? - CORRECT ANSWER
Adrenergic nervous system
, Epinephrine stimulates what effector sites? - CORRECT ANSWER All adrenergic
receptors
In what order and what medication is used for rapid sequence intubation -
CORRECT ANSWER Fentanyl
Etomidate
Succinychloine
What sedative would you use in a hypotensive patient? - CORRECT ANSWER
Etomidate
What is the first line vasopressor to increase BP and perfusion? - CORRECT
ANSWER Epinephrine
What drugs can be administered via ET tube? - CORRECT ANSWER Epinephrine
Atropine sulfate
Lidocaine hydrochloride
What medication and techniques may help reduce heart rate in SVT? - CORRECT
ANSWER Adenosine (vagal manuvers)
What sedative has both sedative and analgesic properties? - CORRECT ANSWER
Dexmedetomindine
Which sedation in indicated for mechanically ventilated patients? - CORRECT
ANSWER Propofol
What is the dose for epinephrine administered down the ET tube? - CORRECT
ANSWER
What antiarrhythmic is administer after defib and epi in V fib? - CORRECT ANSWER
Amiodarone
The SA node intrinsic rate is what? - CORRECT ANSWER 60-100bpm