Let's Test Your Cardiac Knowledge With This Quiz

20 Questions | By Lveal | Updated: Mar 20, 2022 | Attempts: 1028

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Questions and Answers

1.

What is the equation for sensitivity?
- A.
  
  Predictive value of a positive test or predictive value of a negative test
- B.
  
  CK-MB peak at 24 hours/Troponin peaks at 3 day
- C.
  
  True positives/(True positives + False negatives) x100True positives /(Total number of diseased patients)
- D.
  
  All of the above
2.

How many hours do troponin begin to rise?
- A.
  
  1 HOUR
- B.
  
  2 HOURS
- C.
  
  4 HOURS
- D.
  
  8 HOURS
3.

How long do the cTNI concentrations stay elevated?
- A.
  
  24 HOURS
- B.
  
  1 DAY
- C.
  
  3 DAYS
- D.
  
  9 DAYS
4.

Troponin is normally detected in the bloodstream?
- A.
  
  True
- B.
  
  False
5.

What are the two different polypeptide chains for CK?
- A.
  
  M,B
- B.
  
  C,B
- C.
  
  T,B
- D.
  
  P,D
6.

CK-MB in normal individual is less than what percent of total CK?
- A.
- B.
- C.
- D.
  
  >3%
7.

CK-MB can not be used in neonates.
- A.
  
  True
- B.
  
  False
8.

Myolglobin rises how soon after onset of AMI?
- A.
  
  8 hours
- B.
  
  6 hours
- C.
  
  4 hours
- D.
  
  2 hours
9.

Which marker is the first to rise after AMI?
- A.
  
  Troponin
- B.
  
  Myoglobin
- C.
  
  CK
- D.
  
  CK-MB
10.

When does CK-MB peak?
- A.
  
  24 hours
- B.
  
  36 hours
- C.
  
  2 hours
- D.
  
  4 hours
11.

When does troponin peak?
- A.
  
  24 hours
- B.
  
  1 day
- C.
  
  2 days
- D.
  
  3 days
12.

When troponin is elevated, CK-MB help distinguish what?
- A.
  
  When the AMI took place
- B.
  
  How much cardiac damage there is
- C.
  
  Whether there is renal damage
13.

How long do CK-MB stay elevated for?
- A.
  
  24-48 hours
- B.
  
  7 days
- C.
  
  48-72 hours
- D.
  
  1 week
14.

Which biomarker can detect minor myocardial damage and microinfarction?
- A.
  
  Myoglobin
- B.
  
  CK-MB
- C.
  
  Troponin
15.

What is the most sensitive and specific marker available today for AMI?
- A.
  
  CKMB
- B.
  
  Myoglobin
- C.
  
  CK
- D.
  
  Troponin
16.

What is a marker for heart failure?
- A.
  
  Myoglobin
- B.
  
  Troponin
- C.
  
  BNP
- D.
  
  CKMB
17.

BNP greater than >400 could mean CHF.
- A.
  
  True
- B.
  
  False
18.

A rise in BNP is correlated with a decrease in what function?
- A.
  
  Right ventricular ejection fraction
- B.
  
  Lower ventricular ejection fraction
- C.
  
  Upper ventricular ejection fraction
- D.
  
  Left ventricular ejection fraction
19.

The likelihood that a test will give a negative result when the disease is absent is termed specificity
- A.
  
  True
- B.
  
  False