The heart's anatomic location is MOST accurately described as being:
1. hemithoracic.
2. retrosternal.
3. submediastinal.
4. supradiaphragmatic.
What is retrosternal.
100
The brief pause between the P wave and QRS complex represents:
A) depolarization of the inferior part of the atria.
B) the period of time when the atria are repolarizing.
C) full dispersal of electricity throughout both atria.
D) a momentary conduction delay at the AV junction.
What is D) a momentary conduction delay at the AV junction.
100
The amount of blood that is pumped out by either ventricle per minute is called:
A) ejection fraction.
B) cardiac output.
C) stroke volume.
D) minute volume.
What is cardiac output.
100
An electrical impulse is slightly delayed at the AV node so that the:
A) bundle of His can depolarize fully.
B) ventricles can contract completely.
C) primary cardiac pacemaker can reset.
D) atria can empty into the ventricles.
What is D) atria can empty into the ventricles.
100
A beta adrenergic blocker would counteract all of the following medications, EXCEPT:
A) atropine.
B) epinephrine.
C) isoproterenol.
D) norepinephrine.
What is A) atropine.
200
The layers of the wall of the heart, beginning with the outermost layer, are the:
What is epicardium, myocardium, and endocardium.
200
The PR interval should be no shorter than ____ seconds and no longer than ____ seconds in duration.
A) 0.12, 0.20
B) 0.14, 0.30
C) 0.16, 0.40
D) 0.18, 2.0
What is A) 0.12, 0.20
200
Jugular venous distention in a patient sitting at a 45° angle:
-suggests left-sided heart failure.
-is not clinically significant.
-indicates right-sided heart compromise
-is a sign of reduced preload.
What is indicates right-sided heart compromise.
200
The area of conduction tissue in which electrical activity arises at any given time is called the:
What is pacemaker
200
The MOST effective drug for the treatment of non-vagal-induced bradycardia is:
A) atropine.
B) dopamine.
C) epinephrine.
D) metoprolol.
What is C) epinephrine
300
The left main coronary artery subdivides into the:
What is left anterior descending and circumflex arteries.
300
Stimulation of the parasympathetic nervous system causes all of the following effects, EXCEPT:
A) negative inotropy.
B) increased salivation.
C) dilation of the pupils.
D) negative chronotropy.
What is C) dilation of the pupils.
300
Which of the following conditions would MOST likely cause the blood pressure to vary between the left arm and right arm?
A) Cor pulmonale
B) Aortic aneurysm
C) Left heart failure
D) Cardiac tamponade
What is B) Aortic aneurysm
300
The effect on the velocity of electrical conduction is referred to as the _________ effect.
A) inotropic
B) dromotropic
C) chronotropic
D) conductivity
What is B) dromotropic
300
Lidocaine 2% has the following side effects....
What is seizure, slurred speech, altered mental status, low HR, N/V and tinnitus.
400
Automaticity is defined as the ability of the heart to:
What is generate its own electrical impulses without stimulation from nerves.
400
If you are unsure whether a conscious cardiac patient requires immediate transport versus continued assessment at the scene, you should:
A) continue with the secondary assessment to obtain more information.
B) take the patient's vital signs and then make your transport decision.
C) begin immediate transport and perform a focused assessment en route.
D) contact medical control and inform him or her of the patient's condition.
What is A) continue with the secondary assessment to obtain more information. pg 928
400
A pulse that alternates in strength from one beat to the next beat is called:
A) pulse deficit.
B) pulsus alternans.
C) pulsus paradoxus.
D) paradoxical pulse.
What is B) pulsus alternans.
400
<:::DAILY DOUBLE:::>>
1
What is below the left or right clavicle.
400
After using Lidocaine 2% for PVC's using the following doses 0.5mg/kg every 5-10 minutes and repeating this dose you are going to setup a drip for your PT. How would you assemble the drip and at what rate?
What is 1gm in 250ml of D5w & 1-4mg/min
500
Which part of the blood vessel is made up of elastic fibers and muscle, and provides for strength and contractility?
A) Tunica media
B) Tunica intima
C) Tunica adventitia
D) Tunica lumen
E) I have no clue
What is Tunica media
500
Injury to or disease of the ______________ may cause prolapse of a cardiac valve leaflet, allowing blood to regurgitate from the ventricle into the atrium.
A) coronary sulcus
B) chordae tendineae
C) interatrial septum
D) coronary sinus
What is B) chordae tendineae
500
Atrial kick is defined as:
What is increased preload pressure as a result of atrial contraction.
500
Which of the following clinical findings is LEAST suggestive of a peripheral vascular disorder?
-Swelling and pain along the course of a vein
-A bruit heard over the carotid artery
-Pain in the calf muscle while walking
-An S3 sound during auscultation of the heart
What is An S3 sound during auscultation of the heart
500
Cordarone is know as what antiarrhythmic AND what are the 2 RX's for Cordarone?
What is Amiodarone and cardiac arrest VT/VF and state wide complex tachycardia.