Page Number- 5

(1) RBCs have an average life span is???

  • A. 12days
  • B. 80days
  • C. 120days
  • D. 150days
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(c) 120days

(2) In the heart's left atrium and left Ventricles is guarded by???

  • A. Tricuspid valve
  • B. Biscuspid valve
  • C. Thebesian valve
  • D. Eustachain valve
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(b) Biscuspid valve

(3) Which of the following does not contain a clotting factor??

  • A. Serum
  • B. Blood
  • C. Plasma of blood
  • D. None
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(a) Serum

(4) The Human Heart normally beats:?

  • A. 80-85 times in a minute
  • B. 90-95 times in a minute
  • C. 70-75 times in a minute
  • D. 30-35 times in a minute
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(c) 70-75 times in a minute

(5) The Origin of the Human Heart :?

  • A. Mesodermal
  • B. Ectodermal
  • C. Endodermal
  • D. All of the obove
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(a) Mesodermal

(6) P-wave in a normal ECG represents???

  • A. Depolarisation of ventricles
  • B. Repolarisation of ventricles
  • C. Electrical excitation of atria
  • D. None
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(c) Electrical excitation of atria

(7) Which of the following has the highest cross-sectional area in the body???

  • A. Arteries
  • B. Veins
  • C. Capillaries
  • D. All
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(c) Capillaries

(8) The size of the Human Heart is???

  • A. About the size of a finger
  • B. About the size of grapes
  • C. About the size of a lung
  • D. About the size of a clenched fist
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(d) About the size of a clenched fist

(9) The QRS complex is represented in the ECG.?

  • A. Depolarisation of auricles
  • B. Depolarisation of a ventricle
  • C. Depolarisation of atria
  • D. Repolarisation of ventricles
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(b) Depolarisation of a ventricle

(10) When the Heart muscle is suddenly damaged by an inadequate blood supply is called??

  • A. Heart attack
  • B. Heart failure
  • C. Cardic arrest
  • D. All of the obove
0
(a) Heart attack
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