Exam 2

Question 1

what is the basic effect of beta blockers?

Answer 1

blocks the fight or flight response and lowers BP

Question 2

patient may be allergic to the contrast medium used in cardiac catheterizations if they are also allergic to…?

Answer 2

iodine and shellfish

Question 3

How must a client act during a resting electrocardiography?

Answer 3

must lie as still as possible during procedure

Question 4

what is significant ST-segment depression associated with?

Answer 4

myocardial ischemia

Question 5

what is the purpose for carrying out and echocardiography?

Answer 5

to assess the structure and function of the heart

Question 6

normal pressure for pulmonary artery

Answer 6

15-26 mm Hg

Question 7

what position will the patient be in during a pulmonary artery wedge pressure?

Answer 7

supine, with the head elevated to 45 degrees

Question 8

nursing measures to take for a patient with renal insufficiency who is scheduled for a cardiac catherization

Answer 8

admin IV fluids
assess for allergies
assess lab results
assess and mark pulses
consent form

Question 9

symptoms that indicate a female patient for an electrocardiogram?

Answer 9

fatigue despite adequate rest
indigestion
abdominal fullness
SOB
feeling of choking

Question 10

which assessment findings in the first few hour s after a coronary catheterization require immediate action?

Answer 10

serum potassium
expanding groin hematoma
rhythm changes

Question 11

where does the p wave originate from?

Answer 11

the ectopic focus

Question 12

what does the P wave represent?

Answer 12

depolarization of the atrias

Question 13

normal PR interval range

Answer 13

0.12 to 2.0

Question 14

what is the next appropriate measure to take when a patient has a prominent U wave ?

Answer 14

review the clients daily electrolyte results

Question 15

what should the nurse do when the patient’s HR increases during inspiration?

Answer 15

document findings

Question 16

what medication should be administered with the patient has sinus bradycardia, hypotension, and dizziness?

Answer 16

atropine

Question 17

medication for supraventricular tachycardia

Answer 17

diltiazem

Question 18

what condition does CABG surgery put the patient at risk for?

Answer 18

atrial fibrillation

Question 19

which heart rhythm has a saw tooth pattern on ECG?

Answer 19

atrial flutter

Question 20

what physical assessment finding is expected with atrial flutter?

Answer 20

SOB and anxiety

Question 21

what medication is given to patients with chronic a-fib to prevent emboli?

Answer 21

warfarin

Question 22

in a patient with acute MI what can an onset of PVCs indicate?

Answer 22

ventricular tachycardia or v-fib

Question 23

what medication is a good choice for frequent PVCs?

Answer 23

amiodarone

Question 24

how do patients ususally respond to adenosine?

Answer 24

with a short period of:
asystole
bradycardia
hypotension
dyspnea, 
chest pain

Question 25

what does a prolonged PR interval indicate?

Answer 25

first-degree heart block

Question 26

what equipment is needed when performing a carotid sinus massage?

Answer 26

resuscitation cart

Question 27

what is the priority intervention with a client with complete heart block (third-degree)?

Answer 27

begin external pacing

Question 28

on a ECG what does a spike followed by a QRS complex indicate?

Answer 28

that is has successfully depolarized or captured the ventricle

Question 29

What is the ECG interpretation if there is a pacing spike but no QRS complex?

Answer 29

loss of capture

Question 30

what sounds are a manifestation of cardiac tamponade?

Answer 30

muffled heart sounds

Question 31

normal ejection fracture

Answer 31

50% to 70%