MEDICAL ASSISTANT LATEST
CERTIFICATION EXAM
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
what is the normal sinus rate and what is it called when its above and below this
rate? - ANSWERS-60-100 BPM
>100 tachycardia
<60 bradycardia
QUESTION 2
normal sinus rhythym - ANSWERS-(SINUS RHYTHMS) notice all PQRST
waves are equal and present. Diastolic period can be easily identified
a. HR 60-100
b. similar P in all leads in front of QRS
c. constant PR (.12-.2) sec interval
QUESTION 3
sinus bradycardia - ANSWERS-(SINUS RHYTHM) notice all waves are present
and in normal size. a very long diastolic period is easily identified
END OF
PAGE
1
, MEDICAL ASSISTANT LATEST
CERTIFICATION EXAM
a. HR less than 60
b. diastolic pause is longer
c. bradycardia decreases the blood flow in the brain and other tissues
QUESTION 4
sinus tachycardia - ANSWERS-(SINUS RHYTHM) diastolic period can not be
seen well, P and T waves are very close together
a. HR over 100
b. diastolic pause is small or nonexistent
c. tachycardia reduces the blood supply to the cardiac muscle
QUESTION 5
sinus arrhythmia - ANSWERS-(SINUS RHYTHM) notice that PQRST waves are
equal and normal in size, but diastolic periods are different after each heart systole
a. HR 60-100
b. different diastolic pause after each systole
QUESTION 6
END OF
PAGE
2
, MEDICAL ASSISTANT LATEST
CERTIFICATION EXAM
supraventricular tachycardia - ANSWERS-(ATRIAL RHYTHM)
Atrial Tachycardia (AT) is caused by an irritable focus in the atria that fires
electrical impulses after normal firing of SA node pacemaker HR btw 100- 150
AV Reentry Tachcardia is caused when the electrical impulse passes a passage
other than AV node. cardiac rhythm regular but up to 250 BPM **EMERGENCY
NOTIFY DOCTOR
QUESTION 7
atrial flutter - ANSWERS-(atrial rhythm) notie that there are no more "p waves"
only saw-tooth-like wave called F wave
a. characterized by rapid depolarization of a single atrial focus at a rate of 250-350
BPM
b.typically a slower ventricular rate
**EMERGENCY NOTIFY DOCTOR
QUESTION 8
atrial fibrillation - ANSWERS-(atrial rhythm) no more p waves, instead they are
substituted by small trembling waves, while QRST complex are almost normal
a. caused by multiple irritable sites all over the atria firing at rate >350
END OF
PAGE
3
, MEDICAL ASSISTANT LATEST
CERTIFICATION EXAM
b. no identifiable P waves, fibrillatory eratic "f" waves **EMERGENCY NOTIFY
DOCTOR
QUESTION 9
Premature Ventricular Complex (PVC) - ANSWERS-(ventricular rhythm) observe
difference btw the normal QRS complexes and the wide inverted abnormal QRS of
the PVC and full compensatory pause
a. QRS and PVC greater than .12 s because ventricular depolarization is abnormal
b. T waves usu in opposite direction of QRS
QUESTION 10
ventricular tachycardia (VT) - ANSWERS-(ventricular rhythm) notice there are no
more p waves but wide, bizarre QRS complexes at a rate >100
a. 3 or more PVCs in a row
b. regular fast rhythm
c. no P waves
** EMERGENCY ND
END OF
PAGE
4
CERTIFICATION EXAM
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
what is the normal sinus rate and what is it called when its above and below this
rate? - ANSWERS-60-100 BPM
>100 tachycardia
<60 bradycardia
QUESTION 2
normal sinus rhythym - ANSWERS-(SINUS RHYTHMS) notice all PQRST
waves are equal and present. Diastolic period can be easily identified
a. HR 60-100
b. similar P in all leads in front of QRS
c. constant PR (.12-.2) sec interval
QUESTION 3
sinus bradycardia - ANSWERS-(SINUS RHYTHM) notice all waves are present
and in normal size. a very long diastolic period is easily identified
END OF
PAGE
1
, MEDICAL ASSISTANT LATEST
CERTIFICATION EXAM
a. HR less than 60
b. diastolic pause is longer
c. bradycardia decreases the blood flow in the brain and other tissues
QUESTION 4
sinus tachycardia - ANSWERS-(SINUS RHYTHM) diastolic period can not be
seen well, P and T waves are very close together
a. HR over 100
b. diastolic pause is small or nonexistent
c. tachycardia reduces the blood supply to the cardiac muscle
QUESTION 5
sinus arrhythmia - ANSWERS-(SINUS RHYTHM) notice that PQRST waves are
equal and normal in size, but diastolic periods are different after each heart systole
a. HR 60-100
b. different diastolic pause after each systole
QUESTION 6
END OF
PAGE
2
, MEDICAL ASSISTANT LATEST
CERTIFICATION EXAM
supraventricular tachycardia - ANSWERS-(ATRIAL RHYTHM)
Atrial Tachycardia (AT) is caused by an irritable focus in the atria that fires
electrical impulses after normal firing of SA node pacemaker HR btw 100- 150
AV Reentry Tachcardia is caused when the electrical impulse passes a passage
other than AV node. cardiac rhythm regular but up to 250 BPM **EMERGENCY
NOTIFY DOCTOR
QUESTION 7
atrial flutter - ANSWERS-(atrial rhythm) notie that there are no more "p waves"
only saw-tooth-like wave called F wave
a. characterized by rapid depolarization of a single atrial focus at a rate of 250-350
BPM
b.typically a slower ventricular rate
**EMERGENCY NOTIFY DOCTOR
QUESTION 8
atrial fibrillation - ANSWERS-(atrial rhythm) no more p waves, instead they are
substituted by small trembling waves, while QRST complex are almost normal
a. caused by multiple irritable sites all over the atria firing at rate >350
END OF
PAGE
3
, MEDICAL ASSISTANT LATEST
CERTIFICATION EXAM
b. no identifiable P waves, fibrillatory eratic "f" waves **EMERGENCY NOTIFY
DOCTOR
QUESTION 9
Premature Ventricular Complex (PVC) - ANSWERS-(ventricular rhythm) observe
difference btw the normal QRS complexes and the wide inverted abnormal QRS of
the PVC and full compensatory pause
a. QRS and PVC greater than .12 s because ventricular depolarization is abnormal
b. T waves usu in opposite direction of QRS
QUESTION 10
ventricular tachycardia (VT) - ANSWERS-(ventricular rhythm) notice there are no
more p waves but wide, bizarre QRS complexes at a rate >100
a. 3 or more PVCs in a row
b. regular fast rhythm
c. no P waves
** EMERGENCY ND
END OF
PAGE
4
