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MCQs

Total Questions : 78 | Page 4 of 8 pages
Question 31. Blood pressure is measured in terms of ____________
  1.    mm Hg
  2.    mm
  3.    cm Hg
  4.    Hg
 Discuss Question
Answer: Option A. -> mm Hg
Answer: (a).mm Hg
Question 32. A normal heart rate in an adult at rest is ______________
  1.    110
  2.    125
  3.    60
  4.    75
 Discuss Question
Answer: Option D. -> 75
Answer: (d).75
Question 33. A person can suffer from both low blood pressure and high blood pressure.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 34. Any mechanism that increases heart rate is said to have a positive ________ effect.
  1.    cholinergic
  2.    inotropic
  3.    chronotrophic
  4.    feedback
 Discuss Question
Answer: Option C. -> chronotrophic
Answer: (c).chronotrophic
Question 35. Unhealthy growth of tissue due to higher pressures on the walls of the artery is termed as __________
  1.    atheroma
  2.    aroma
  3.    adenoma
  4.    aroma and adenoma
 Discuss Question
Answer: Option A. -> atheroma
Answer: (a).atheroma
Question 36. The colloid osmotic pressure of blood plasma is due to high concentration of _______
  1.    albumin
  2.    hemoglobin
  3.    sodium
  4.    glucose
 Discuss Question
Answer: Option A. -> albumin
Answer: (a).albumin
Question 37. _________ is the enzyme that converts Angiotensinogen to Angiotensin I.
  1.    Rennin
  2.    ACE
  3.    ANP
  4.    ADH
 Discuss Question
Answer: Option A. -> Rennin
Answer: (a).Rennin
Question 38. The sinoatrial node depolarizes more frequently under the influence of ________
  1.    medulla oblongata
  2.    vagus nerve
  3.    norepinephrine
  4.    acetylcholine
 Discuss Question
Answer: Option C. -> norepinephrine
Answer: (c).norepinephrine
Question 39. What is a circulatory system?
  1.    System that helps body to move
  2.    System that helps body to respire
  3.    System that helps in transportation of blood
  4.    System that deals with nerves
 Discuss Question
Answer: Option C. -> System that helps in transportation of blood
Answer: (c).System that helps in transportation of blood
Question 40. Which of the following has closed circulatory system?
  1.    Arthropods
  2.    Mollusks
  3.    Platyhelminthes
  4.    Annelids
 Discuss Question
Answer: Option D. -> Annelids
Answer: (d).Annelids

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