Regular Exam 03, Penta 03 (Radius)

1. Not a step of hemostasis -

A. Vascular spasm (or vasoconstriction)

B. Formation of platelet plug

C. Blood coagulation

D. Clot retractions

2. Factor__ is also called Hageman factor.

A. X

B. XI

C. XII

D. IX

Not vit-K dependent clotting factor-

A. Factor II

B. Factor VIII

C. Factor IX

D. Factor X

4. Not a natural anticoagulant-

A. Heparin

B. Antithrombin III

C. Protein C

D. Dicumarol

5. False statement -

A. M&N blood groups are used to determine paternity

B. The 2nd part of Landsteiner's law is not obeyed by Rh and MNS blood group system.

C. Anti-D injection within 72 hrs after every delivery may prevent E. fetalis

D. Uremia is an immediate effect of ABO incompatibility

6. Not true-

A. Ventricular systole lasts for 0.3 s

B. Isometric contraction phase produces 1st HS

C. Isometric relaxation phase produces 2nd heart sound at It's end

D. First rapid filling phase creates 3rd HS

7. Which of the following doesn’t increase CO-

A. Venous return

B. Heart rate

B. Force of contraction

D. TPR

9. Cardiac index is not determined by following factor -

A. Heart rate

B. Stroke volume

C. Body surface area

D. Venous return

10. . _ indicates the constant load against which the heart works.

A. Systolic pressure

B. Diastolic pressure

C. Pulse pressure

D. Mean pressure

11. Average pulse pressure is __ mmHg

A. 25

B. 40

C. 50

D. 60

12. a.Short term regulation of blood pressure doesn’t include-

A. Baroreceptor feedback mechanism

B. Chemoreceptor feedback mechanism

C. CNS ischemic mechanism

D. Capillary fluid shift mechanism

13. Which is not abnormal pulse?

A. Anacrotic pulse

B. Pulsus alternans

C. Pulsus bisferiens

D. Catacrotic pulse

14. Baroreceptors present in-

A. The carotid sinus

B. The wall of the aortic arch

C. Both

D. None

15. In ECG Septal depolarization is indicated by-

A. P wave

B. Q wave

C. R wave

D. S wave

16. PR interval duration -

A. 0.12-0.20 sec

.b. 05-.10 sec

C. 0.10-0.15 sec

D. None

17. Not true about ECG-

A. WPW (Wolff Parkinson White) syndrome causes short PR interval

B. ST interval indicates ventricular repolarization

C. QT interval is usually 0.08 sec

D. Electrolyte imbalance can be detected by ECG

18. Obstructive shock example -

A. MI

B. Cardiac tamponade

C. Hemorrhage

D. Arrhythmia

19. Compensatory reactions activated by hemorrhage/ hypovolemic shock doesn’t include

A. Vasoconstriction

B. Tachycardia

C. Venodilatation

D. Increased plasma protein

20. Brain has __ percent of cardiac output.

A. 13.9

B. 27.8

C. 23.4

D. 19.9

21. _ is the main seat of peripheral resistance

A. Artery

B. Arteriole

C. Venule

D. Capillaries

22. Normal Ejection fraction-

A. 65%

B. 50%

B. 80%

D. 45 %

23. Fibrinolysis is due to-

A. Plasmin

B. Fibrin

C. Thrombin

D. Plasminogen

24. Not true about rhythmicity- b/min

A. SA node: 70 - 80

B. AV node: 40 - 60

C. AV bundle or Bundle of His: 40-50

D. Purkinjee fibers : 15-40

25. Electrolytes responsible for cardiac muscle action potential-

A. Na+

B. K+

C. Ca2+

D. All

Regular Exam 03, Penta 03 (Radius)

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