問題一覧
1
The term automaticity refers to the ability of a cell to :
Initiate an impulse on its own.
2
Parasympathetic stimulation of the heart results in:
Decreased heart rate and slower AV conduction.
3
The normal pacemaker of the heart is:
SA node
4
The impulse delay produced by the AV node allows the atria to:
Contract before the ventricles.
5
The coronary arteries fill with blood during:
Ventricular diastole
6
When stimulated, baroreceptors cause the heart rate to:
Decrease
7
The two valves called the 'semilunar valves' are the:
Pulmonic and aortic valves
8
Passive stretching exrted by blood on the ventricular muscle at the end of diastole is referred to as:
Preload
9
A patient admitted with an acute MI has a heart rate of 36 beats per minute. Based on this finding, which area of the heart is most likely serving as the pacemaker?
Purkinje fibers
10
Which of the following is NOT included as part of the reciprocal changes in an MI?
Chvostek's sign
11
This is the area of myocardial necrosis. Scar tissue eventually replaces the dead tissue, and the damage caused is irreversible.
Zone of infarction
12
Based on your answer on item 11, the ECG change associated with a necrotic are is:
Pathologic Q wave
13
The rationale of your answer on item 12 results from:
Lack of depolarization
14
A client who just arrived in the Emergency Department reports substernal and left arm discomfort that has been going on for about three hours. Which laboratory test will be MOST useful in determining whether the nurse should anticipate implementing the acute coronary syndrome standard protocol?
Troponin I level
15
When the nurse is monitoring a 53-year-old client who is undergoing a treadmill stress test, which finding will require the MOST IMMEDIATE action?
Chest pain level of 3 (on scale of 0 to 10)
16
Which topic will the nurse NOT include in the discharge teaching for a client whi has been admitted with heart failure?
Purpose of chronic antibiotic therapy
17
The clinic nurse is evaluating a client who had coronary artery stenting through the right femoral artery a week previously and is taking metoprolol, clopidogrel, and aspirin. Which information reported by the client is MOST IMPORTANT to report to the health care provider?
Stools have been black in color
18
Which of the following is NOT a purpose of cardiac catheterization?
To estimate blood volume deficits
19
Which of the following is NOT a nursing consideration when performing cardiac catheterization?
obtain consent before the procedure
20
The health care peovider telephones the nurse with new prescription for a client with angina who is already taking aspirin. Which medication is MOST IMPORTANT to clarify further the heath care provider?
Ibuprofen 200mg every 4 hours as needed
21
The nurse is caring for a hospitalized client with heart failure who is receiving captopril and spironolactone. Which laboratory value will be MOST important to monitor?
potassium level
22
In performing Central Venous Pressure procedure, the preferred site would be:
Subclavian
23
A 35- year old patient has been diagnosed with Coronary Artery Disease (CAD) and the doctor prescribed Simvastatin (Zocor). Which of the following is NOT TRUE on the medication?
This drug may cause direct immediate toxicity and damage to the kidney
24
When administering topical nitroglycerin, the nurse must observe the following, EXCEPT:
A metallic taste is a normal response of the body.
25
what is the idiosyncratic effect of Morphine Sulfate?
Pruritis