Anatomy And Physiology Questions - The Cardiovascular System: The Blood
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Questions about components of blood (RBCs, WBCs, platelets) and haemostasis. It covers aspects from the 'Fetal', 'Infancy', and 'Childhood' case units.
- 1.Which is NOT a major function of the blood?
- A.
Transportation of nutrients
- B.
Regulation of blood pH
- C.
Protection against disease infection
- D.
Transportation of heat
- E.
Production of oxygen
- 2.The normal average temperature of blood is around
- A.
98.6ºF (37ºC)
- B.
100.4ºF (38ºC)
- C.
90.8ºF (32.7ºC)
- D.
89.6ºF (32ºC)
- E.
101.6ºF (38.7ºC)
- 3.The normal pH range for blood is
- A.
7.35 - 8.5
- B.
7.35 - 9.45
- C.
6.35 - 7.35
- D.
6.35 - 9.35
- E.
7.35 - 7.45
- 4.Which of the following is not a component of blood?
- A.
Blood plasma
- B.
Formed elements
- C.
Carbon dioxide
- D.
Platelets
- E.
White blood cells
- 5.The haematocrit is composed of
- A.
WBC
- B.
Platelets
- C.
RBC
- D.
Plasma
- E.
Proteins
- 6.How much of blood plasma is water (approximately)?
- A.
95%
- B.
91%
- C.
88%
- D.
80%
- E.
50%
- 7.Which of the following plasma proteins plays a role in disease resistance?
- A.
Albumins
- B.
Globulins
- C.
Fibrinogens
- D.
Myoglobin
- E.
Haemoglobin
- 8.Which of the following plasma proteins plays a role in blood clotting?
- A.
Albumins
- B.
Globulins
- C.
Fibrinogens
- D.
Prostaglandins
- E.
None of the above
- 9.A haemocrit measures
- A.
Percentage of RBC in packed blood
- B.
Percentage of WBC in packed blood
- C.
Percentage of platelets in packed blood
- D.
Percentage of RBC and WBC in packed blood
- E.
None of the above
- 10.The process by which formed elements of the blood develop is called:
- A.
Haematocritation
- B.
Haemopoiesis
- C.
Albumin genesis
- D.
Immunology
- E.
None of the above
- 11.A megakaryoblast will develop into
- A.
RBC
- B.
WBC
- C.
Platelet
- D.
WBC and platelet
- E.
Any of the above
- 12.During haemopoiesis, some of the myeloid stem cells differentiate into
- A.
Progenitor cells
- B.
Enzymes
- C.
Plasma proteins
- D.
Haeme molecules
- E.
Nitric oxide
- 13.This hormone stimulates proliferation of red blood cells in red bone marrow
- A.
EPO
- B.
TPO
- C.
Human growth hormone
- D.
Calcitonin
- E.
Follicle stimulating hormone
- 14.How many haemoglobin moleculs are in each RBC?
- A.
50 million
- B.
100 million
- C.
280 million
- D.
320 million
- E.
430 million
- 15.Ferritin is used to
- A.
Transport iron
- B.
Store iron
- C.
Convert iron
- D.
Synthesize iron
- E.
Digest iron
- 16.A red blood cell's function is
- A.
Nutrient transport
- B.
Cytokine stimulation
- C.
Blood cell proliferation
- D.
Gas transport
- E.
Disease resistance
- 17.A red blood cell without a nucleus, but with other cell organelles is called a
- A.
Proerythroblast
- B.
Cytokine
- C.
Precursor cell
- D.
Interleukin
- E.
Reticulocyte
- 18.Which of the following is a phagocyte?
- A.
Monocyte
- B.
Lymphocyte
- C.
Basophil
- D.
Platelet
- E.
Eosinophil
- 19.Which of the following reduces blood loss?
- A.
Erythrocyte
- B.
Platelet
- C.
Lymphocyte
- D.
Basophil
- E.
Neutrophil
- 20.Which of the following promotes inflammation?
- A.
Eosinophil
- B.
Monocyte
- C.
Lymphocyte
- D.
Basophil
- E.
Neutrophil
- 21.Which of the following destroys antigen-antibody complexes?
- A.
Eosinophil
- B.
Monocyte
- C.
Lymphocyte
- D.
Basophil
- E.
Neutrophil
- 22.Which of the following provides immune responses against parasites?
- A.
Eosinophil
- B.
Macrophage
- C.
Lymphocyte
- D.
Basophil
- E.
Platelet
- 23.Which of the following is not an agranular leukocyte?
- A.
Monocyte
- B.
Macrophage
- C.
Lymphocyte
- D.
Basophil
- E.
All of the above
- 24.The process of a white blood cell squeezing between cells to exit the blood vessel is called
- A.
Emigration
- B.
Wandering
- C.
Adhesion
- D.
Haemopoiesis
- E.
Phagocytosis
- 25.Which of the following do mast cells not release?
- A.
Heparin
- B.
Histamine
- C.
Nitric oxide
- D.
Protease
- E.
All of the above
- 26.This hormone causes the development of megakaryoblasts.
- A.
Erythropoietin
- B.
Thrombopoietin
- C.
Nitric oxide
- D.
Human growth hormone
- E.
Heparin
- 27.Which methods provide haemostasis?
- A.
Vascular spasm, clotting, polycythaemia
- B.
Haemolysis, vascular spasm, platelet plug formation
- C.
Emigration, clotting, haemolysis
- D.
Platelet plug formation, vascular spasm, clotting
- E.
Anaemia, haemogenesis, platelet plug formation
- 28.Once this is formed, the intrinsic and extrinsic pathways are identical.
- A.
Thromboplastin
- B.
Prothrombinase
- C.
Fibrinogen
- D.
Fibrin
- E.
Calcium
- 29.Which of the following clotting factors has the most to do with strengthening and stabilizing a blood clot?
- A.
Factor V
- B.
Factor VII
- C.
Factor XI
- D.
Factor XIII
- E.
Factor XIV
- 30.
- A.
Mum is Rh negative and fetus is Rh negative
- B.
Mum is Rh negative and fetus is Rh positive
- C.
Mum is Rh positive and fetus is Rh negative
- D.
Mum is Rh positive and fetus is Rh positive
- 31.Which of the following opposes the action of thromboxane A2?
- A.
Heparin
- B.
Fibrinogen
- C.
Plasmin
- D.
Antithrombin
- E.
Prostacyclin
- 32.Which of the following is an anticoagulant?
- A.
Heparin
- B.
Fibrinogen
- C.
Protease
- D.
Prostacyclin
- E.
Plasmin
- 33.
![]()
Which of the following cells will develop into macrophages?- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
- 34.
![]()
Which of the following cells will increase the number of nuclear lobes as they age?- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
- 35.
![]()
Which of the following cells is normally classified as small or large?- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
- 36.
![]()
Which one is a WBC?- A.
A
- B.
B
- C.
C
- D.
B and C
- E.
A, B and C
- 37.
![]()
Which one is the pluripotent stem cell?- A.
A
- B.
B
- C.
C
- D.
D
- E.
G
- 38.
![]()
Which cell is the myeloid stem cell?- A.
A
- B.
B
- C.
C
- D.
D
- E.
G
- 39.
![]()
Which cell is the reticulocyte?- A.
D
- B.
G
- C.
E
- D.
F
- E.
H
- 40.
![]()
Which cell is the T lymphocyte?- A.
C
- B.
J
- C.
K
- D.
L
- E.
A
- 41.
![]()
Which cell is the natural killer cell?- A.
A
- B.
C
- C.
J
- D.
K
- E.
L
- 42.
![]()
What is this figure demonstrating?- A.
Erythropoiesis
- B.
RBC differentiation
- C.
Emigration
- D.
Clot formation
- E.
Clot retraction
- 43.
![]()
What does this figure represent?- A.
Erythropoiesis
- B.
RBC differentiation
- C.
Emigration
- D.
Clot formation
- E.
Clot retraction
- 44.What antibodies does a person with type O blood have in their plasma?
- A.
A
- B.
B
- C.
A and B
- D.
No antibodies
- E.
Not enough information to answer
- 45.What antigens does a person have on their RBC if their plasma has antibody A?
- A.
A
- B.
B
- C.
O
- D.
A and B
- E.
No antigens
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