All questions of Circulation in Animals for JAMB Exam

• a)
  Basophils
• b)
  Acidophils
• c)
  Monocytes
• d)
  Neutrophils

• a)
  One
• b)
  Two
• c)
  Many
• d)
  None

• a)
  Neutrophils
• b)
  Monocytes
• c)
  Basophils
• d)
  Eosinophils

• a)
  2 and 4 are correct.
• b)
  1 and 2 are correct.
• c)
  1 and 3 are correct.
• d)
  1, 2 and 3 are correct.

• A:

  Eosinophils – Allergic response

• B:

  Basophils – Secrete histamine and serotonin

• C:

  Monocytes – Secrete heparin

• D:

  Neutrophils – Phagocytic and eat foreign organisms

The answer is c.

• a)
  Neutrophil
• b)
  Erythrocyte
• c)
  Monocyte
• d)
  Lymphocyte

• a)
  Cockroach
• b)
  Fish
• c)
  Mollusca
• d)
  Scorpion

• a)
  Left auricle - left ventricle - body - right auricle -right ventricle
• b)
  Right auricle - left ventricle
• c)
  Left auricle - left ventricle - lungs-right auricle -right ventricle
• d)
  None of them

• a)
  Leaves the heart
• b)
  Enters the heart
• c)
  Enters lungs
• d)
  Leaves the ventricles

• a)
  Statement ii) is correct and i) is wrong.
• b)
  both are correct
• c)
  Statement ii) is wrong and i) is correct.
• d)
  both are wrong

• a)
  Pacesetter of heart
• b)
  both SAN and AVN together
• c)
  Pacemaker of heart
• d)
  none of these

• a)
  Plasma = Blood − Lymphocytes
• b)
  Neuron = Cyton + Dendron + Axon + Synapse
• c)
  Lymph = Plasma + WBCs + RBCs
• d)
  Blood = Plasma + RBCs + WBCs + Platelets

• a)
  Carry impure blood from lungs to heart
• b)
  Carrying pure blood From lungs to heart
• c)
  Carry impure blood from heart to lung
• d)
  Carry pure blood from heart to lungs

• a)
  8.0 second
• b)
  0.5 second
• c)
  0.8 second
• d)
  0.08 second

• a)
  Heart
• b)
  Capillaries
• c)
  Arterioles
• d)
  Veins

• a)
  Superior vena cava
• b)
  Dorsal aorta
• c)
  Pulmonary aorta
• d)
  Pulmonary veins

• a)
  Upper lateral wall of the left atrium
• b)
  Lower lateral wall of the right atrium
• c)
  Lower lateral wall of the left atrium
• d)
  Upper lateral wall of the right atrium

• a)
  Inside the cytoplasm
• b)
  Inside the nucleus
• c)
  On the nuclear membrane
• d)
  On the cell surface

• a)
  Ventricles contract
• b)
  Ventricles relax
• c)
  Atria contract
• d)
  Atria relax

• a)
  Hepatic portal arch
• b)
  none of these
• c)
  Hepatic portal artery
• d)
  Hepatic portal vein

• a)
  foetus is Rh-ve and father is Rh+ve
• b)
  foetus is Rh+ve and mother is Rh-ve
• c)
  foetus is Rh-ve and mother is Rh+ve
• d)
  None of these

• a)
  only statement i) and iv) are wrong
• b)
  only statement ii) and iii) are wrong
• c)
  all statements are wrong
• d)
  only statement iv) is wrong

• a)
  Myogenic
• b)
  Neurogenic
• c)
  Cardiogenic
• d)
  Digenic

• a)
  250
• b)
  75
• c)
  400
• d)
  300

• a)
  Autonomic nervous system
• b)
  Vagus nerve
• c)
  Glossopharyngeal nerve
• d)
  None

• a)
  120/80mm of Hg
• b)
  80/100 mm of Hg
• c)
  80/120 mm of Hg
• d)
  100/80 mm of Hg

• a)
  a antibody
• b)
  both a and b antibodies
• c)
  b antibody
• d)
  No antibodies are present

• a)
  40 mm Hg
• b)
  30 mm Hg
• c)
  70 mm Hg
• d)
  50 mm Hg

• a)
  both are correct.
• b)
  both are wrong
• c)
  Statement i) is wrong and ii) is correct.
• d)
  Statement i) is correct and ii) is wrong

• a)
  Right ventricle, Pulmonary veins, Lungs, Pulmonary arteries, Left atrium
• b)
  Right ventricle, Right atrium, Lungs, Pulmonary veins, Left atrium
• c)
  Right ventricle, Pulmonary arteries, Lungs, Pulmonary veins, Left atrium
• d)
  Right ventricle, Systemic aorta, Lungs, Pulmonary veins, Left atrium

• a)
  S-wave
• b)
  R-wave
• c)
  P-wave
• d)
  Q-wave

• a)
  Purkinje fibres
• b)
  Bundle of His
• c)
  AVN
• d)
  SAN

• a)
  Serum = plasma – [thrombin + blood corpuscles]
• b)
  Serum = plasma – [fibrinogen + blood corpuscles]
• c)
  Sera = blood corpuscles – [thrombin + fibrin]
• d)
  Serum = dissolved fibrin – [plasma + blood corpuscles]

• a)
  only ii) and iii) are correct
• b)
  only i) and ii) are correct
• c)
  only iii) is correct
• d)
  only ii) is correct

• a)
  Eosinophils
• b)
  Monocytes
• c)
  Neutrophils
• d)
  Basophils

• a)
  digested carbohydrates
• b)
  oxyhemoglobin
• c)
  digested fats
• d)
  digested proteins

• a)
  QRS complex
• b)
  P-wave
• c)
  ST-segment
• d)
  PQ interval

• a)
  Coronary artery
• b)
  Pulmonary vein

   
• c)
  Aorta
• d)
  Pulmonary artery

• a)
  Interventricular septum
• b)
  Interatrial septum
• c)
  Atrio-ventricular septum
• d)
  Pericardium

• a)
  If both Assertion and Reason are true and Reason is the correct explanation of Assertion
• b)
  If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
• c)
  If Assertion is true but Reason is false
• d)
  If both Assertion and Reason are false

• a)
  Right auricle and pulmonary aorta
• b)
  Post caval and auricle
• c)
  Left auricle and left ventricle
• d)
  Right auricle and right ventricle

• a)
  Mitral valve opens
• b)
  Mitral valve closes
• c)
  Semilunar valve at the base of aorta closes  
• d)
  Tricuspid valve opens

• a)
  Closed circulatory system
• b)
  Open circulatory system
• c)
  Double circulatory system
• d)
  Incomplete circulatory system

• a)
  P-wave
• b)
  PQ interval
• c)
  QT interval
• d)
  QRS complex

• a)
  Excessive contraction of the heart muscle
• b)
  Infections in the heart muscle
• c)
  Deposits of calcium, fat, cholesterol, and fibrous tissues in the arteries
• d)
  Overproduction of adrenal medullary hormones affecting the heart

• a)
  Action potential is generated by the AVN initially
• b)
  Both atria contract simultaneously
• c)
  Tricuspid valve closes
• d)
  The semilunar valves remain open

• a)
  Increased risk of infections
• b)
  Enhanced ability to clot blood
• c)
  Excessive blood loss due to clotting disorders
• d)
  Improved oxygen transport to tissues

• a)
  Arthropods and molluscs
• b)
  Vertebrates
• c)
  Annelids and chordates
• d)
  Fishes and amphibians

• a)
  It increases the mineral distribution within the interstitial fluid.
• b)
  It collects and drains the interstitial fluid back to the major veins.
• c)
  It converts interstitial fluid into blood plasma.
• d)
  It absorbs and redistributes red blood cells.

• a)
  Left atrium
• b)
  Interventricular septum
• c)
  Right ventricle
• d)
  Pulmonary artery