Page 126 - Practical Handout bio 2 mnu 2025_Neat

Level two – Semester 4 - PharmD Biochemistry-II PB-403 (Practical course) 2024/2025

4. Which cardiac marker appears in the bloodstream first after a
myocardial infarction?
a) CK-MB
b) Troponin I
c) Troponin T
d) Myoglobin

Answer: d) Myoglobin

5. What is the duration of elevation for cardiac troponin I (cTnI)
after myocardial infarction?
a) 1 day
b) 2-3 days
c) 7-10 days
d) 14 days

Answer: c) 7-10 days

6. Which cardiac marker is least specific for myocardial infarction?
a) Myoglobin
b) CK-MB
c) Troponin T
d) Troponin I

Answer: a) Myoglobin

7. What is the primary role of CK-MB in cardiac function testing?
a) Detect skeletal muscle injury
b) Confirm myocardial infarction

c) Indicate kidney function
d) Monitor liver enzymes

Answer: b) Confirm myocardial infarction

8. Which risk factor is NOT directly associated with myocardial
infarction?
a) Tobacco smoking
b) High blood cholesterol
c) Lack of physical activity
d) Low sodium levels

Answer: d) Low sodium levels

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