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ALU 301 Chapter Quiz > ALU 301 Chapter 7 Quiz > Flashcards

ALU 301 Chapter 7 Quiz Flashcards

(41 cards)

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1
Q

All of the following statements regarding heart function are correct EXCEPT:
- The contraction of the muscle cells must occur at regular intervals and be synchronized
- Ventricular contractions must be forceful
- The heart valves must be competent, allowing two directional blood flow thru the heart
- The ventricles must fill adequately during diastole

A

The heart valves must be competent, allowing two directional blood flow through the heart

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2
Q

Electrical activation of myocardial cells due to the spread of an electrical impulse is called:
- contraction
- depolarization
- repolarization
- charging

A

Depolarization

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3
Q

The P wave represents:
- atrial depolarization
- ventricular repolarization
- ventricular depolarization
- time required for both depolarization and repolarization of the ventricles

A

atrial depolarization

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4
Q

All of the following factors affect heart rate EXCEPT:
- age
- gender
- fitness level
- illness

A

gender

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5
Q

The primary pacemaker of the heart is:
- Atrioventricular (AV) node
- bundle of HIS
- right bundle branch
- sinoatrial (SA) node

A

sinoatrial (SA) node

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6
Q

Which of the following statements regarding sinus arrhythmia is/are correct?
A - it is normal variant of sinus rhythm
B - there are changes in the heart rate that correspond with the phases of respiration
C - there is no mortality risk associated with it

C only is correct
A and B are correct
B and C are correct
A, B, and C are correct

A

A, B, and C are all correct

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7
Q

Which of the following is/are possible causes of atrial fibrillation?
A - pulmonary disease
B - cardiomyopathy
C - hypothyroidism

C only is correct
A and B are correct
B and C are correct
A, B, and C are correct

A

A and B are correct

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8
Q

Which of the following is included in a cardiac workup for atrial fibrillation?
A - stress imaging study
B - resting echocardiogram
C - complete blood count

A only is correct
A and B are correct
B and C are correct
A, B, and C are all correct

A

A and B are correct

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9
Q

Which of the following can cause a complete right bundle branch block (CRBBB)?
A - left ventricular hypertrophy (LVH)
B - atrial septal defect (ASD)
C - coronary artery disease

A and B are correct
A and C are correct
B and C are correct
A, B, and C are correct

A

B and C are correct

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10
Q

The T wave on the EKG represents:

  • atrial depolarization
  • atrial contraction
  • ventricular repolarization
  • ventricular depolarization
A

ventricular repolarization

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11
Q

Complications associated with atrial fibrillation include all of the following EXCEPT:

  • embolic stroke
  • ischemia
  • mitral insufficiency
  • congestive heart failure
A

mitral insufficiency

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12
Q

All of the following statements regarding myocardial ischemia are correct EXCEPT:

  • it is a temporary reversible reduction in blood supply to the heart muscle
  • it is represented by T wave changes on the EKG
  • it is represented by significant Q wave on the EKG
  • it is the earliest sign of reduced coronary blood flow
A

It is represented by significant Q wave on the EKG

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13
Q

The primary EKG indicator of a previous myocardial infarction is the appearance of:

  • prolonged QRS duration
  • significant T wave inversions
  • third degree AV block
  • significant Q waves
A

significant Q waves

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14
Q

The heart arrhythmia best described as an irregularly irregular rhythm is:
- Wolff-Parkinson-White Syndrome (WPW)
- atrial fibrillation
- sick sinus syndrome (SSS)
- unifocal PVC’s

A

atrial fibrillation

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15
Q

Which of the following is/are considered heart blocks?

A - sick sinus syndrome
B - sinoatrial (SA) block
C - prolonged QT syndrome

A only is correct
A and B are correct
B and C are correct
A, B, and C are all correct

A

A and B are correct

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16
Q

Which of the following are significant causes of premature ventricular contractions (PVC’s)?

A - illicit drugs
B - stress
C - mitral valve prolapse

C only is correct
A and B are correct
A and C are correct
B and C are correct

A

A and C are correct

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17
Q

Which of the following are complications associated with atrial fibrillation?
A - congestive heart failure
B - hypoxia
C - embolic stroke

A only is correct
A and C are correct
B and C are correct
A, B, and C are correct

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A

A and C are correct

18
Q

When every third heartbeat is a premature ventricular contraction, it is called:

  • triplet
  • ventricular tachycardia
  • trigeminy
  • couplet
19
Q

The type of heart block represented by a progressively lengthening of the PR interval is called:

  • Wenckebach
  • complete heart block
  • Lown-Ganong-Levine syndrome
  • Mobitz Type II
20
Q

All of the following are atrial arrhythmias EXCEPT:

  • premature junctional contractions
  • premature atrial contractions
  • atrial tachycardias
  • premature ventricular contractions
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A

premature junctional contractions

21
Q

Which of the following are considered heart blocks?
A- Mobitz Type I
B - WPW
C - sinus arrest

A only is correct
C only is correct
A and B are correct
A and C are correct

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A

A and C are correct

22
Q

Which of the following statements regarding bundle branch blocks is/are correct?

A- the electrical impulse is impeded from the atria to the ventricles
B - dizziness is a common symptom
C - the QRS complex is abnormally wide

A only is correct
C only is correct
B and C are correct
A, B, and C are correct

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A

C only is correct

23
Q

EKG abnormalities are categorized into all of the following areas EXCEPT:

  • cardiac hypertrophy
  • heart rhythm
  • ejection fraction
  • axis or position of the heart
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A

ejection fraction

24
Q

All of the following statements regarding electrophysiology procedures are correct EXCEPT:

  • it is called HIS bundle
  • it does not attempt to induce arrhythmias
  • it measures the heart conduction system
  • it is used to distinguish impulse formation disorders
Study These Flashcards
A

it does not attempt to induce arrhythmias

25
All of the following statements regarding heart murmurs are correct EXCEPT: - the intensity of the murmur is related to the severity of the valvular impairment - high pitched sounds of short duration occurring in systole are often associated with mitral valve prolapse - physicians capture accurate descriptions of a murmur via physical exam using a stethoscope - a grade 2 murmur is described as soft but easily heard
physicians capture accurate descriptions of a murmur via physical exam using a stethoscope
26
Which of the following cardiac tests is the most sensitive for the diagnosis of coronary artery disease? - EKG - stress echo - stress EKG - CT angiogram
CT angiogram
27
All of the following are types of murmurs EXCEPT: - systolic - diastolic - inorganic - continuous
inorganic
28
The test that uses high frequency impulses to visualize the structure and function of the heart is: - holter monitor - EKG - echocardiogram - transesophageal echo (TEE)
echocardiogram
29
All of the following lab tests are used to identify an acute coronary syndrome EXCEPT: - troponin I - CPK-MM (also known as CPK-3) - lactic acid dehydrogenase (LDH) - aspartate aminotransferase (AST)
CPK-MM (CPK-MM is found mostly in skeletal muscles. CPK-BB and CPK-MB are used.
30
The diagnostic finding most related to coronary artery disease on a stress test is: - ST segment depression - presence of arrhythmias - PR prolongation - inverted P waves
ST segment depression
31
A transesophageal echo (TEE) can be used to evaluate which of the following conditions? A - atrial septal defect (ASD) B - sick sinus syndrome (SSS) C - endocarditis A only is correct B only is correct A and C are correct B and C are correct
A and C are correct
32
The best indicator of the hearts left ventricular function is the: - heart rate - ejection fraction - septal wall thickness - left ventricular posterior wall thickness
ejection fraction
33
ST segment changes seen on a stress test are likely related to coronary artery disease EXCEPT: - those persisting longer than one minute into the recovery phase - those greater than 1.5mm at peak exercise - those occurring in multiple leads - those seen prior to exercise
those seen prior to exercise
34
Elevated lab tests that can indicate a recent myocardial infraction include which of the following? A - creatinine phosphokinase (CPK) B - aspartate aminotransferase (AST) C - troponins A only is correct B only is correct A and C only are correct A, B, and C are correct
A, B, and C are correct
35
Which of the following statements regarding troponins is/are correct? A - they are normally found in trace quantities in the blood B - they are the most sensitive and specific biomarkers for myocardial damage C - they are elevated only when other biomarkers are elevated B only is correct C only is correct A and B only are correct B and C are correct
A and B are correct
36
All of the following are common reasons why a stress test is discontinued EXCEPT: - the presence of abnormal blood pressure changes - minimum performance is achieved - symptoms of ischemia occur - attaining the predetermined end point
minimum performance is achieved
37
A rational method to minimize the diagnostic uncertainty surrounding cardiac testing is called: - Clark's conditional probability -doppler premise - Bayes Theorem - cardiac testing
Bayes Theorem
38
Hypokinesis as it related to an echocardiogram is: - increased heart wall motion - absence of heart wall motion - reduced heart wall motion - normal heart wall motion
reduced heart wall motion
39
All of the following statements about positron emission testing (PET) are correct EXCEPT: - it is an accurate method for identifying how much the heart has been damaged by infarction - it is commonly used in clinical medicine - it is an expensive test to perform - there is limited access to these machines
it is commonly used in clinical medicine
40
Which of the following statements regarding the diagnostic advantages of a CT angiogram is/are correct? A - it is a noninvasive study B - it can detect small non obstructive atherosclerotic plaques C - it is able to detect calcium particles on arterial walls A only is correct A and B are correct B and C are correct A, B, and C are correct
A and B are correct
41
All of the following statements regarding the NT-proBNP lab test are correct EXCEPT: - it is synthesized predominately by the cardiac ventricles response to cardiac stress - elevations can suggest valvular heart disease - it is used in the monitoring of those with heart failure - normal levels do not vary with age or gender
normal levels do not vary with age or gender

ALU 301 Chapter Quiz (9 decks)

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