Anatomy And Physiology Questions - The Cardiovascular System: The Blood
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
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