Daily exam 03,Week 03,Sternum

1. Not a step of hemostasis -

Vascular spasm (or vasoconstriction)

Formation of platelet plug

Blood coagulation

Clot retractions

Not vit-K dependent clotting factor-

Factor II

Factor VIII

Factor IX

Factor X

4. Not a natural anticoagulant-

Heparin

Antithrombin III

Protein C

Dicumarol

5. False statement -

M&N blood groups are used to determine paternity

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

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

Uremia is an immediate effect of ABO incompatibility

6. Not true-

Ventricular systole lasts for 0.3 s

Isometric contraction phase produces 1st HS

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

First rapid filling phase creates 3rd HS

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

Venous return

Heart rate

Force of contraction

TPR

9. Cardiac index is not determined by following factor -

Heart rate

Stroke volume

Body surface area

Venous return

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

Systolic pressure

Diastolic pressure

Pulse pressure

Mean pressure

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

Baroreceptor feedback mechanism

Chemoreceptor feedback mechanism

CNS ischemic mechanism

Capillary fluid shift mechanism

13. Which is not abnormal pulse?

Anacrotic pulse

Pulsus alternans

Pulsus bisferiens

Catacrotic pulse

14. Baroreceptors present in-

The carotid sinus

The wall of the aortic arch

Both

None

15. In ECG Septal depolarization is indicated by-

P wave

Q wave

R wave

S wave

16. PR interval duration -

0.12-0.20 sec

.05-.10 sec

0.10-0.15 sec

None

17. Not true about ECG-

WPW (Wolff Parkinson White) syndrome causes short PR interval

ST interval indicates ventricular repolarization

QT interval is usually 0.08 sec

Electrolyte imbalance can be detected by ECG

18. Obstructive shock example -

Cardiac tamponade

Hemorrhage

Arrhythmia

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

Vasoconstriction

Tachycardia

Venodilatation

Increased plasma protein

20. Brain has __ percent of cardiac output.

13.9

27.8

23.4

19.9

21. _ is the main seat of peripheral resistance

Artery

Arteriole

Venule

Capillaries

23. Fibrinolysis is due to-

Plasmin

Fibrin

Thrombin

Plasminogen

24. Not true about rhythmicity- b/min

SA node: 70 - 80

AV node: 40 - 60

AV bundle or Bundle of His: 40-50

Purkinjee fibers : 15-40

25. Electrolytes responsible for cardiac muscle action potential-

Na+

K+

Ca2+

All

Daily exam 03,Week 03,Sternum

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