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Blood practice questions

Number of questions: 46

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1) What is a neutrophil?
  1. A bacteria that prefers a neutral (pH 7) environment
  2. A type of coagulation factor in the blood
  3. A type of white blood cell
  4. An atom with more neutrons than electrons
Answers are locked. Please click here to buy them. 2) Which term means a low white blood cell count?
  1. Leukocytosis
  2. Leukodystrophy
  3. Leukopenia
  4. Leukoplakia
Answers are locked. Please click here to buy them. 3) Plasma proteins:
  1. are low-molecular-weight proteins
  2. are part of the blood serum
  3. are regarded as formed blood elements
  4. help maintain blood volume due to colloid osmotic pressure
Answers are locked. Please click here to buy them. 4) Which pathway is also known as the contact activation pathway?
  1. Common pathway
  2. Extrinsic pathway
  3. Intrinsic pathway
  4. Tissue factor pathway
Answers are locked. Please click here to buy them. 5) Angiotensin-converting enzyme converts angiotensin I to:
  1. angiotensin III
  2. aldosterone
  3. angiotensin II
  4. renin
Answers are locked. Please click here to buy them. 6) The three major groups of plasma proteins are:
  1. albumin, fibrinogen, globulin
  2. albumin, globulin, hemoglobin
  3. fibrin, globulin, albumin
  4. insulin, glucagon, hemoglobin
Answers are locked. Please click here to buy them. 7) In the process of hemostasis, which phase involves the intrinsic and extrinsic pathways?
  1. The platelet phase
  2. The clot lysis phase
  3. The vascular phase
  4. The coagulation phase
Answers are locked. Please click here to buy them. 8) Which of the following initiates the coagulation cascade via the extrinsic pathway?
  1. Factor XII
  2. Prothrombinase
  3. Thrombin
  4. Tissue factor
Answers are locked. Please click here to buy them. 9) What is the first step of hemostasis?
  1. Blood coagulation
  2. Temporary blockage of a break by a platelet plug
  3. Vasoconstriction
  4. Vasodilation
Answers are locked. Please click here to buy them. 10) In hemostasis, which molecule polymerises to become the insoluble blood clot?
  1. Factor X
  2. Fibrin
  3. Plasmin
  4. Thrombin
Answers are locked. Please click here to buy them. 11) When a blood vessel is damaged, what is the first process that occurs?
  1. Coagulation
  2. Hemolysis
  3. Platelet plug formation
  4. Vasoconstriction
Answers are locked. Please click here to buy them. 12) Which enzyme converts fibrinogen to fibrin?
  1. Renin
  2. Secretin
  3. Serotonin
  4. Thrombin
Answers are locked. Please click here to buy them. 13) What causes colloid osmotic pressure in blood?
  1. Proteins in the blood
  2. Proteins in the interstitial fluid
  3. Sodium and chloride ions in the blood
  4. The water component of the blood
Answers are locked. Please click here to buy them. 14) Formed elements in blood include which of the following?
  1. Electrolytes
  2. Fibrinogen
  3. Plasma proteins
  4. White blood cells
Answers are locked. Please click here to buy them. 15) Formed elements are:
  1. blood plasma
  2. blood serum
  3. the clotting factors in blood
  4. white blood cells, red blood cells and platelets
Answers are locked. Please click here to buy them. 16) Amylase is an enzyme that breaks down:
  1. fat
  2. protein
  3. starch
  4. sugars
Answers are locked. Please click here to buy them. 17) Red blood cells are also known as:
  1. eosinophils
  2. erythrocytes
  3. monocytes
  4. thrombocytes
Answers are locked. Please click here to buy them. 18) The main task of red blood cells is to:
  1. ensure hemostasis
  2. provide immunity
  3. stop bleeding by forming a clot over injuries
  4. transport oxygen and carbon dioxide
Answers are locked. Please click here to buy them. 19) What is the most abundant white blood cell in adults?
  1. Basophil
  2. Lymphocyte
  3. Monocyte
  4. Neutrophil
Answers are locked. Please click here to buy them. 20) Lymphocytes are blood cells that:
  1. are involved in the body's immune response
  2. contain hemoglobin
  3. mature and proliferate in the bone marrow
  4. mature into macrophages
Answers are locked. Please click here to buy them. 21) Which of these cells is not found in blood?
  1. Basophils
  2. Erythrocytes
  3. Leukocytes
  4. Osteocytes
Answers are locked. Please click here to buy them. 22) The two most common types of white blood cells are:
  1. monocytes and eosinophils
  2. monocytes and lymphocytes
  3. neutrophils and basophils
  4. neutrophils and lymphocytes
Answers are locked. Please click here to buy them. 23) Which of these is a white blood cell that can engulf pathogens by phagocytosis?
  1. Basophil
  2. Erythrocyte
  3. Neutrophil
  4. Thrombocyte
Answers are locked. Please click here to buy them. 24) Red blood cells are primarily composed of:
  1. albumin
  2. alpha- and beta- globulins
  3. hemoglobin
  4. mitochondria
Answers are locked. Please click here to buy them. 25) Which blood cell has a multi-lobed nucleus and inconspicuous cytoplasmic granules, and is also the most common type of blood cell after red blood cells?
  1. Basophil
  2. Eosinophil
  3. Lymphocyte
  4. Neutrophil
Answers are locked. Please click here to buy them. 26) Neutrophils:
  1. are part of the adaptive immune system
  2. are part of the innate immune system
  3. contain hemoglobin
  4. have no nucleus
Answers are locked. Please click here to buy them. 27) Platelets:
  1. are also known as antithrombins
  2. are enzymes
  3. convert prothrombin to thrombin
  4. form a plug in the hole of damaged blood vessels
Answers are locked. Please click here to buy them. 28) Which of these is NOT a type of white blood cell?
  1. Basophil
  2. Eosinophil
  3. Erythrocyte
  4. Neutrophil
Answers are locked. Please click here to buy them. 29) Which blood cells protect the body from pathogens and foreign cells?
  1. Erythrocytes
  2. Hemoglobin
  3. Leukocytes
  4. Platelets
Answers are locked. Please click here to buy them. 30) Which of these is a macrophage?
  1. Basophil
  2. Kupffer cell
  3. Megakaryocyte
  4. T cell
Answers are locked. Please click here to buy them. 31) Which is the least common white blood cell?
  1. Basophil
  2. Lymphocyte
  3. Neutrophil
  4. Thrombocyte
Answers are locked. Please click here to buy them. 32) Serum and plasma both contain:
  1. clotting factors
  2. plasma proteins
  3. platelets
  4. red blood cells
Answers are locked. Please click here to buy them. 33) Lipase breaks down:
  1. enzymes
  2. fats
  3. proteins
  4. red blood cells
Answers are locked. Please click here to buy them. 34) What is the preferred source of DNA for DNA testing?
  1. Plasma proteins
  2. Platelets
  3. Red blood cells
  4. White blood cells
Answers are locked. Please click here to buy them. 35) The absence of which antigen makes red blood cells resistant to Plasmodium vivax malaria?
  1. Duffy
  2. Kidd
  3. Lewis
  4. Rhesus
Answers are locked. Please click here to buy them. 36) A person with blood type B− can receive a blood transfusion from which two blood types?
  1. B− and AB−
  2. B− and AB−
  3. B− and O−
  4. O− and O+
Answers are locked. Please click here to buy them. 37) Why is blood matching performed before blood transfusions?
  1. To avoid erythroblastosis fetalis
  2. To avoid newborn hemolytic disease
  3. To avoid the recipient's antibodies attacking the donor's red blood cells
  4. To avoid the recipient's antigens attacking the donor's red blood cells
Answers are locked. Please click here to buy them. 38) A person's blood group is determined by:
  1. the antibodies circulating in their blood
  2. the antibodies on the surface of their red blood cells
  3. the antigens circulating in their blood
  4. the antigens on the surface of their red blood cells
Answers are locked. Please click here to buy them. 39) What does "Rhesus positive" mean?
  1. A deficiency of Factor VIII that results in hemophilia
  2. Antibodies in a pregnant woman's blood are destroying her baby's blood cells
  3. The presence of the D antigen on the surface of red blood cells
  4. The presence of the rhesus antibody in the blood
Answers are locked. Please click here to buy them. 40) A person who is blood group B has:
  1. A antigens and anti-A antibodies
  2. A antigens and anti-B antibodies
  3. B antigens and anti-A antibodies
  4. B antigens and anti-B antibodies
Answers are locked. Please click here to buy them. 41) People with type AB blood can only donate blood to people of which blood type?
  1. Type A
  2. Type AB
  3. Type B
  4. Type O
Answers are locked. Please click here to buy them. 42) Which blood type is the universal recipient?
  1. A+
  2. AB+
  3. B+
  4. O+
Answers are locked. Please click here to buy them. 43) The ABO system of blood groups is based on the presence of which proteins on red blood cells?
  1. Agglutinins
  2. Antibodies
  3. Antigens
  4. Immunoglobulins
Answers are locked. Please click here to buy them. 44) A person with type A blood has what on their red blood cells?
  1. A antigens
  2. B antigens
  3. Anti-A antibodies
  4. Anti-B antibodies
Answers are locked. Please click here to buy them. 45) A person with the A antigen on their red blood cells also has what in their blood?
  1. Anti-A antibodies
  2. Anti-B antibodies
  3. Both anti-A and anti-B antibodies
  4. B antigens
Answers are locked. Please click here to buy them. 46) Vitamin K:
  1. converts prothrombin to thrombin
  2. destroys fibrin which allows a clot to dissolve gradually
  3. is essential for the liver's production of prothrombin
  4. is water soluble
Answers are locked. Please click here to buy them.

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