7/30/2019 CHEM 2 Ch 25 Review Questions

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Exam 3 25-27

Ch 25 chem quizbank

1. Which of the following newer markers ofinflammation circulates in serum bound to

LD and HDL?

a. CK-MBb. Cardiac Tnlc. Hs-CRPd. Lipoprotein-associated

phospholipase A2*

2. Which of the following is NOT a feature ofan ideal cardiac marker?

a. Absolute specificityb. Close estimation of the magnitude

of cardiac damage

c. Ability to predict future occurrenceof a cardiac disease*

d. High sensitivity3. A normal myoglobin concentration 8hr after

onset of symptoms of a suspectedmyocardial infarction will

a. Essentially rule out an acutemyocardial infarction*

b. Be interpreted with carefulconsideration of the troponin T

concentration

c. Give the same information as atotal CK-MB

d. Provide a definitive diagnosis ofacute myocardial infarction

4. A serum troponin T concentration is of mostvalue to the patient with a myocardial

infarction when

a. The CK-MB has already peakedand returned to normal

concentrations*

b. The troponin I concentration hasreturned to normal concentrations

c. The onset of symptoms is within 3-6hours of the sample being drawn

d. The myoglobin concentration Iextremely elevated

5.

A person with a confirmed blood pressure of125/87 would be classified as

a. Normalb. Prehypertension*c. Stage 1 hypertensiond. Stage 2 hypertension

6. Which of the following is the preferredbiomarker for the assessment of myocardial

necrosis?

a. CK*b. ASTc. CK-MBd. Troponin 1

7. Which of the following cardiac markers isthe most useful indicator of congestive heart

failure?

a. CK-MBb. B-natriuretic peptide*c. Troponin 1d. Glycogen phosphorylase

isoenzyme BB

8. Which of the following defects is the mostcommon type of congenital cardiovascular

disease encountered?

a. Ventricular septal defects VSD*b. Transposition of the great arteriesc. Tetralogy of the fallotd. Coarctation of the aorta

9. Which of the following analytes has thehighest specificity for the cardiac injury?

a. ASTb. Troponin1*c. CK MB mass assaysd. Total CK-MB

10. Rheumatic heart disease is a result ofinfection with which one of the following

organisms?

a. Chlamydia Pneumoniaeb. Group A streptococci*c. Staphylococcus aureusd. Psudomonas Aeruginosa