A&p II (Heart, Blood & Blood Vessels)
- 1.Functions of the blood include all of the following, except
- A.
Transport of nutrients and wastes
- B.
Generation of body heat
- C.
Restricting fluid loss
- D.
Regulation of pH and electrolyte concentration of interstitial fluids
- 2.The combination of plasma and formed elements is called
- A.
Serum
- B.
Lymph
- C.
Whole blood
- D.
Extracellular fluid
- E.
Packed blood
- 3.Fresh whole blood for testing in a laboratory is usually collected from
- A.
The heart
- B.
A superficial artery
- C.
A superficial vein
- D.
A capillary
- E.
An arteriole
- 4.When checking the efficiency of gas exchange, it may be necessary to draw a blood sample from
- A.
The heart
- B.
The lungs
- C.
An artery
- D.
A vein
- E.
Capillaries
- 5.Each of the following is a characteristic of whole blood, except a
- A.
Temperature approximately 38 degrees Celsius
- B.
Viscosity about the same as water
- C.
PH of 7.4
- D.
Bright red color if taken from an artery
- E.
Dull red color if taken from a vein
- 6.The total volume of blood in the body of a 70-kg man is approximately _____ liters
- A.
25–30
- B.
10–15
- C.
5–6
- D.
2–4
- E.
Less than 2
- 7.A person has a low blood volume is said to be
- A.
Hypovolemic
- B.
Hypervolemic
- C.
Normovolemic
- D.
Isovolemic
- E.
Antivolemic
- 8.The chief difference between plasma and interstitial fluid involves the
- A.
Amount of water
- B.
Quantity of electrolytes
- C.
Quantity of organic wastes
- D.
Concentration of dissolved oxygen and proteins
- E.
Concentration of glucose
- 9.Plasma proteins that are necessary for blood clotting are the
- A.
Albumins
- B.
Fibrinogens
- C.
Immunoglobulins
- D.
Metalloproteins
- E.
Lipoproteins
- 10.Stem cells responsible for the production of most white blood cells originate in the
- A.
Liver
- B.
Thymus
- C.
Spleen
- D.
Red bone marrow
- E.
Lymph tissue
- 11.Which of the following statements concerning red blood cells is false?
- A.
Red cells are biconcave discs
- B.
Red cells lack mitochondria
- C.
Red cells have a large nucleus
- D.
Red cells are specialized for carrying oxygen
- E.
Red cells can form stacks called rouleaux
- 12.The average lifespan of a red blood cell is
- A.
1 week
- B.
1 month
- C.
4 months
- D.
6 months
- E.
1 year
- 13.The function of red blood cells is to
- A.
Remove carbon dioxide from active cells
- B.
Remove nitrogenous wastes from active tissues
- C.
Carry oxygen from the lungs to the body’s cells
- D.
Carry nutrients from the digestive system to the body’s cells
- E.
Defend the body against infectious organisms
- 14.More than 95 percent of the protein in a red blood cell is
- A.
Albumin
- B.
Porphyrin
- C.
Hemoglobin
- D.
Immunoglobulin
- E.
Fibrinogen
- 15._____ is a condition in which the oxygen-carrying capacity of the blood is reduced
- A.
Polycythemia
- B.
Leukemia
- C.
Anemia
- D.
Leukopenia
- E.
Thrombocytopenia
- 16.A condition in which the hematocrit is elevated and the blood volume is normal would be
- A.
Polycythemia
- B.
Leukocytosis
- C.
Thrombocytosis
- D.
Anemia
- E.
Leukemia
- 17.A red blood cell that contains normal amounts of hemoglobin would be called
- A.
Hyperchromic
- B.
Normochromic
- C.
Hypochromic
- D.
Normocytic
- E.
Macrocytic
- 18.The waste product bilirubin is produced from
- A.
Globin chains of hemoglobin
- B.
Portions of heme molecules that contain iron
- C.
Portions of heme molecules that do not contain iron
- D.
Iron found in hemoglobin molecules
- E.
Abnormal proteins found in red blood cells
- 19.Most of the iron that is removed from degraded hemoglobin is
- A.
Excreted by the kidneys
- B.
Excreted by the liver
- C.
Excreted by the intestines
- D.
Recycled to the bone marrow
- E.
Stored in yellow bone marrow
- 20.In adults, erythropoiesis primarily takes place in
- A.
The liver
- B.
Yellow bone marrow
- C.
Myeloid tissue.(red bone marrow)
- D.
The spleen
- E.
The kidneys
- 21.The process of red blood cell production is called
- A.
Erythrocytosis
- B.
Erythropenia
- C.
Hemocytosis
- D.
Erythropoiesis
- E.
Hematopenia
- 22.Erythrocytes are formed from stem cells called
- A.
Hemocytoblasts
- B.
Reticulocytes
- C.
Band cells
- D.
Myeloid cells
- E.
Pronormoblasts
- 23.Erythropoiesis increases when
- A.
Oxygen levels in the blood increase
- B.
Oxygen levels in the blood decrease
- C.
Carbon dioxide levels in the blood increase
- D.
Carbon dioxide levels in the blood decrease
- E.
Protein levels in the blood increase
- 24.The percentage of whole blood occupied by cellular elements is the
- A.
Viscosity
- B.
Specific gravity
- C.
Packed volume
- D.
Hematocrit
- E.
Differential cell count
- 25.A normal adult hematocrit would be
- A.
100
- B.
75
- C.
66
- D.
45
- E.
10
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