Body Fluids and Circulation MCQs | Body Fluids and Circulation Objective Type Questions and Answers

(1) What is the process of transfer of human blood known as?
[A] Transfusion
[B] Processing
[C] Transporting
[D] Transferring
Answer: Transfusion
(2) Which is the rarest blood group?
[A] AB negative
[B] AB positive
[C] O negative
[D] O positive
Answer: AB negative
(3) Who discovered blood groups?
[A] Thomas Cooley
[B] Karl Landsteiner
[C] Camillo Golgi
[D] Ernst Haecker
Answer: Karl Landsteiner
(4) Rh group was discovered in _________
[A] 1930s
[B] 1940s
[C] 1950s
[D] 1960s
Answer: 1940s
(5) If the blood group of an individual is A then the antibody present is _________
[A] Anti B antibodies
[B] Anti A antibodies
[C] Anti O antibodies
[D] Anti OA antibodies
Answer: Anti B antibodies
(6) Which blood type can be transfused to the individual whose blood type is unknown?
[A] AB positive
[B] AB negative
[C] O positive
[D] O negative
Answer: O negative
(7) In determining phenotype of ABO system ___________
[A] O is dominant over A
[B] B is dominant over A
[C] O is recessive
[D] A is dominant over O
Answer: O is recessive
(8) Tissue plasmin activator _______________
[A] helps in wound healing
[B] allergy response
[C] immunity
[D] dissolves clot in blood vessels
Answer: dissolves clot in blood vessels
(9) Which of the following will not coagulate when placed separately on four slides?
[A] Blood serum
[B] Blood plasma
[C] Blood from pulmonary vein
[D] Blood from lymphatic tissue
Answer: Blood serum
(10) The vitamin essential for blood clotting is _______
[A] vitamin A
[B] vitamin B
[C] vitamin C
[D] vitamin K
Answer: vitamin K
(11) What prevents clotting of blood in blood vessels?
[A] Serotonin
[B] Fibrinogen
[C] Heparin
[D] Fibrin
Answer: Heparin
(12) Clumping of cells is known as _______
[A] clotting
[B] mutation
[C] agglutination
[D] glutathione
Answer: agglutination
(13) Which of the following is correct?
[A] Lymph = Plasma + WBC’s + RBC’s
[B] Plasma = Blood – Lymphocytes
[C] Neuron = Cyton + Dendron + Axon + Synapse
[D] Blood = Plasma + RBC’s + WBC’s + Platelets
Answer: Upward movement of water in plants
(14) Antibiotics are useful against __________
[A] virus
[B] bacteria
[C] autoimmune disease
[D] fungi
Answer: bacteria
(15) Antigen presenting cells are _______
[A] T cells
[B] B cells
[C] Macrophages
[D] Mast cells
Answer: T cells
(16) Which of the following plasma protein is involved in coagulation of blood?
[A] Amylase
[B] Fibrinogen
[C] Globulin
[D] Albumin
Answer: Fibrinogen
(17) In the clotting mechanism pathway, thrombin activates factors ___________
[A] XI VIII V
[B] XI IX X
[C] VIII X V
[D] IX VIII X
Answer: XI VIII V
(18) “Heart of heart” is ________
[A] SA node
[B] AV node
[C] Bundle of HIS
[D] Purkinji fibers
Answer: SA node
(19) Which of the following has the thickest wall?
[A] Right ventricle
[B] Left ventricle
[C] Right atrium
[D] Left atrium
Answer: Left ventricle
(20) Pacemaker is __________
[A] AV node
[B] SA node
[C] Bundle of HIS
[D] Ventricle muscles
Answer: SA node

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