Miscellanous MCQ 9+

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• In patient with rheumatic fever, the followings indicate carditis
  ক

  Pericarditis

  খ

  Prolonged PR interval

  গ

  Diastolic murmur

  ঘ

  Sinus arrhythmia

  ঙ

  Cardiomegaly
• Angiotensin-II
  ক

  Is autacoid

  খ

  Increases tubular Na+ reabsorption

  গ

  Is formed in lungs

  ঘ

  Is a vasodilator

  ঙ

  Increases baro-reflex sensitivity
• Following are the cardiac enzymes
  ক

  Aspartate transaminase (AS

  খ

  Lactate dehydrogenase (LD

  গ

  Creatinine kinase MB (CKM

  ঘ

  Creatinine kinase BB (CDB

  ঙ

  Creatinine kinase MM (CKM
• Vagal tone tends to increase
  ক

  A-V nodal delay

  খ

  Secretion of HCl

  গ

  Motility of gastrointestinal tract

  ঘ

  Heart rate

  ঙ

  Diameter of blood vessel
• Vagal stimulation causes
  ক

  Fall in blood pressure

  খ

  Decreased cardiac output

  গ

  Constriction of pupil

  ঘ

  Relaxation of bronchial smooth muscles

  ঙ

  Decreased intestinal secretion
• Decreased vagal activity results in increased
  ক

  Heart rate

  খ

  Rate of respiration

  গ

  Total peripheral resistance

  ঘ

  Depth of respiration

  ঙ

  Secretion of HCl from the stomach
• In the normal heart
  ক

  The atrioventricular (Anode is usually supplied by the right coronary artery

  খ

  1-adrenoreceptors mediate chronotropic response

  গ

  Pulmonary artery systolic pressure normally varies between 40 and 140 mm of Hg

  ঘ

  The annulus fibrosus aids conduction of impulses from the atria to the ventricles

  ঙ

  Cardiac output is the product of heart rate and ventricular end diastolic volume