Cardiac Markers

Question 1

What is the approximate cardlac muscle resistance to ischemia that can become reversible if intervention is
done in this patient early?
A. >1 hour
B. <1 minute
C. <20 minutes
D. >30 minutes

Answer 1

C. <20 minutes

Question 2

2. Which of the following is the best initial primary diagnostic test for the diagnosis of Acute Coronary
   Syndrome?
   A. BNP
   B. Cardiac Troponin (hs-CTn) and ECG
   C. Chest X-ray and Ultrasound
   D. CBC and CRP

Answer 2

B. Cardiac Troponin (hs-CTn) and ECG

Question 3

Which of the following biomarkers detects the progression of heart failure and the formation of fibrosis?
A. cTNs
B. Gal-3
C. CRP
D. BNP

Answer 3

B. Gal-3

Question 4

Which of these statements about the markers for congestive heart failure is TRUE?
A. BNP is primarily produced in the brain of humans only.
B. CNP is primarily produced in the cardiac ventricles of humans.
C. DNP has the longest amino acid sequence among natriuretic peptides.
D. BNP has the shortest amino acid sequence among natriuretic peptides.

Answer 4

C. DNP has the longest amino acid sequence among natriuretic peptides.

Question 5

Which of the following is true of protein electrophoresis?
A. Separates proteins according to their electrical charges at pH 8.6
B. Separates the atoms according to the carbon and double bonds in a chemical structure.
C. It synthesizes proteins for identification of specific fragments.
D. Utilizes chemical compounds like heat and other detergents for effective separation.

Answer 5

A. Separates proteins according to their electrical charges at pH 8.6

Question 6

TRUE OR FALSE:
Statement 1: In cases of pulmonary embolism, the elevation of cTn and BNP can be due to a primary heart
disease such as.heart failure and myocardial infarction.
Statement 2: The tests that can help favor pulmonary embolism from acute coronary syndrome are D-dimer
and pulmonary and cardiac imaging studies.
A. Statement 1 is TRUE and Statement 2 is FALSE
B. Statement 1 is FALSE and Statement 2 is TRUE
C. Both Statements 1 and 2 are TRUE
D. Both Statements 1 and 2 are FALSE

Answer 6

B. Statement 1 is FALSE and Statement 2 is TRUE

Question 7

Which of the following refers to the specific regular three-dimensional conformations into which portions of
the polypeptide chain fold?
A. Primary Structure
B. Secondary Structure
C. Tertiary Structure
D. Quaternary Structure

Answer 7

B. Secondary Structure

Question 8

Which of the following major proteins in the plasma is less likely to contribute to electrophoretic patterns?
A. Albumin
B. Fibrinogen
C. Immunoglobulins
D. Amyloids

Answer 8

A. Albumin

Question 9

A 34-year-old female has the eating disorder anorexia nervosa. She has extensive weight loss and weak
immune system. Which of these serum proteins is affected more based on the case?
A. Fibrinogen
B. C3
C. Prealbumin
D. Alpha 1- Antitrypsin

Answer 9

C. Prealbumin

Question 10

Which of these serum proteins is positioned near the positive pole (anode) in a normal person using agarose
electrophoresis?
A. Albumin
B. Immunoglobulins
С. С3
D. Haptoglobin

Answer 10

A. Albumin