Question 1

The target INR range is

Accepted Answer

A)   1.0 to 2.0.
B)   1.5 to 3.0.
C)   1.5 to 2.5.
D)   2.0 to 3.0. D

Question 2

The purpose of the Allen test is to

Accepted Answer

A)   assess adequate blood flow through the ulnar artery.
B)   occlude the brachial artery and evaluate hypoxemia to the hand.
C)   test the patency of an internal graft.
D)   determine the size of needle to be used for puncture. A

Question 3

Which of the following criteria are representative of the patient in normal sinus rhythm?

Accepted Answer

A)   Heart rate, 64 beats/min; rhythm regular; PR interval, 0.10 second; QRS, 0.04 second
B)   Heart rate, 88 beats/min; rhythm regular; PR interval, 0.18 second; QRS, 0.06 second
C)   Heart rate, 54 beats/min; rhythm regular; PR interval, 0.16 second; QRS, 0.08 second
D)   Heart rate, 92 beats/min; rhythm irregular; PR interval, 0.16 second; QRS, 0.04 second B

Question 4

A patient returns from the cardiac catheterization laboratory after angioplasty and stent placement (ECG changes had indicated an inferior wall myocardial infarction in progress).Which lead would best monitor this patient?

Accepted Answer

A)   Varies based on the patient's clinical condition and recent clinical history
B)   Lead MCL1
C)   Lead V1
D)   Lead II

Question 5

A nurse is obtaining the history of a patient who reveals that he had an MI 5 years ago.When the admission 12-lead ECG is reviewed, Q waves are noted in leads V3 and V4 only.Which of the following conclusions is most consistent with this situation?

Accepted Answer

A)   The patient may have had a posterior wall MI.
B)   The patient must have had a right ventricular MI.
C)   The admission 12-lead ECG was done incorrectly.
D)   The patient may have had an anterior MI.

Question 6

A patient with a serum potassium level of 6.8 mEq/L may exhibit electrocardiographic changes of

Accepted Answer

A)   a prominent U wave.
B)   tall, peaked T waves.
C)   a narrowed QRS.
D)   sudden ventricular dysrhythmias.

Question 7

Ventricular tachycardia has which of the following hemodynamic effects?

Accepted Answer

A)   Decreased cardiac output from increased ventricular filling time
B)   Decreased cardiac output from decreased stroke volume
C)   Decreased cardiac output from increased preload
D)   Decreased cardiac output from decreased afterload

Question 8

Which of the following statements made by a patient would indicate the need for further education before an electrophysiology procedure?

Accepted Answer

A)   "I need to take all my heart medications the morning of the procedure."
B)   "The doctor is going to make my heart beat wrong on purpose."
C)   "I will be awake but relaxed during the procedure."
D)   "I will be x-rayed during the procedure."

Question 9

ST segment monitoring for ischemia has gained increasing importance with the advent of thrombolytic therapy.The most accurate method for monitoring the existence of true ischemic changes is

Accepted Answer

A)   T-wave inversion in leads overlying the ischemia.
B)   ST segment depression in leads overlying the ischemia.
C)   adjusting the gain control on bedside monitoring for best visualization.
D)   12-lead ECG for confirmation.

Question 10

Which serum lipid value is a significant predictor of future acute MI in persons with established coronary artery atherosclerosis?

Accepted Answer

A)   High-density lipoprotein (HDL) 
B)   Low-density lipoprotein (LDL) 
C)   Triglycerides
D)   Very-low-density lipoprotein

Question 11

The abdominojugular reflux test determines the presence of

Accepted Answer

A)   right ventricular failure.
B)   hypoxemia.
C)   liver failure.
D)   pitting edema.

Question 12

_____ are created by the turbulence of blood flow through a vessel caused by constriction of the blood pressure cuff.

Accepted Answer

A)   Korotk off sounds
B)   Pulse pressures
C)   Murmurs
D)   Gallops

Question 13

The physician anticipates the CVC dwelling time to be 10 to 20 days.The nurse anticipates that the CVC will be placed in the

Accepted Answer

A)   SC vein.
B)   IJ vein.
C)   EJ vein.
D)   femoral vein.

Question 14

An assessment finding of pulsus alternans may indicate evidence of

Accepted Answer

A)   left-sided heart failure.
B)   jugular venous distention.
C)   pulmonary embolism.
D)   myocardial ischemia.

Question 15

A 68-year-old patient is admitted to the critical care unit with reports of midchest pressure radiating into the jaw and shortness of breath when walking up stairs.The patient is admitted with a diagnosis of "rule out myocardial infarction." The history portion of the assessment should be guided by

Accepted Answer

A)   medical history.
B)   history of prior surgeries.
C)   presenting symptoms.
D)   a review of systems.

Question 16

Which of the following cardiac enzymes is a highly specific biomarker for myocardial damage?

Accepted Answer

A)   CK-MB
B)   Troponin I
C)   Troponin T
D)   LDH

Question 17

Identify the rhythm.

Accepted Answer

A)   Junctional escape rhythm
B)   Atrial fibrillation
C)   Unifocal premature ventricular contractions
D)   Ventricular tachycardia

Question 18

The patient's admitting 12-lead ECG shows peaked P waves.Which of the following admitting diagnoses could be responsible for this finding?

Accepted Answer

A)   Mitral stenosis
B)   Pulmonary edema
C)   Ischemia
D)   Pericarditis

Question 19

A patient with ventricular fibrillation (VF)is

Accepted Answer

A)   hypertensive.
B)   bradypneic.
C)   diaphoretic.
D)   pulseless.

Question 20

Which of the following is most often found in ventricular dysrhythmias?

Accepted Answer

A)   Retrograde P waves
B)   Wide QRS complexes
C)   No P waves
D)   An inverted T wave

Exam 11: Cardiovascular Clinical Assessment and Diagnostic Procedures