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MCQs

Total Questions : 78 | Page 3 of 8 pages
Question 21. “Heart of heart” is ________
  1.    SA node
  2.    AV node
  3.    Bundle of HIS
  4.    Purkinji fibers
 Discuss Question
Answer: Option A. -> SA node
Answer: (a).SA node
Question 22. Blood enters into the heart because of muscles of _______
  1.    atria relax
  2.    ventricles contract
  3.    ventricles relax
  4.    atria contract
 Discuss Question
Answer: Option A. -> atria relax
Answer: (a).atria relax
Question 23. Pacemaker is __________
  1.    AV node
  2.    SA node
  3.    Bundle of HIS
  4.    Ventricle muscles
 Discuss Question
Answer: Option B. -> SA node
Answer: (b).SA node
Question 24. SA node is located in _____
  1.    upper lateral wall of right atrium
  2.    lower lateral wall of left atrium
  3.    lower lateral wall of right atrium
  4.    upper lateral wall of left atrium
 Discuss Question
Answer: Option A. -> upper lateral wall of right atrium
Answer: (a).upper lateral wall of right atrium
Question 25. “Bundle of HIS” is made up of _________
  1.    nervous tissue supplied to ventricles
  2.    nervous tissue supplied to heart
  3.    muscular tissue supplied to heart
  4.    muscular tissue supplied to ventricles
 Discuss Question
Answer: Option D. -> muscular tissue supplied to ventricles
Answer: (d).muscular tissue supplied to ventricles
Question 26. Which of the following pair is correctly matched?
  1.    Dup- Sudden opening of semilunar valves at the beginning of ventricle diastole
  2.    Lubb- Sharp closing of AV valves at the beginning of ventricular systole
  3.    Pulsation of radial artery valves in blood vessels
  4.    Initiation of heart beat- Purkinji fibers
 Discuss Question
Answer: Option B. -> Lubb- Sharp closing of AV valves at the beginning of ventricular systole
Answer: (b).Lubb- Sharp closing of AV valves at the beginning of ventricular systole
Question 27. In ECG the depolarization of atria is indicated by __________
  1.    P wave
  2.    Q wave
  3.    R wave
  4.    S wave
 Discuss Question
Answer: Option A. -> P wave
Answer: (a).P wave
Question 28. Blood pressure is the pressure exerted by blood against ___________
  1.    kidneys
  2.    artery walls
  3.    brain
  4.    stomach
 Discuss Question
Answer: Option B. -> artery walls
Answer: (b).artery walls
Question 29. Which of the following statement is correct?
  1.    130/90 mm Hg is considered high and require treatment
  2.    100/55 mm Hg is considered an ideal blood pressure
  3.    105/50 mm Hg makes one active
  4.    190/110 mm Hg may harm vital organs
 Discuss Question
Answer: Option D. -> 190/110 mm Hg may harm vital organs
Answer: (d).190/110 mm Hg may harm vital organs
Question 30. Which instrument is used to listen to the internal sounds of the human body?
  1.    Stethoscope
  2.    Sphygmomanometer
  3.    Reflex hammer
  4.    Suction device
 Discuss Question
Answer: Option A. -> Stethoscope
Answer: (a).Stethoscope

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