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BIO Ch. 7 Test Bank are the agranular circulating white blood cells also found in lymph nodes. - ANSW..Lymphocytes A condition resulting from a reduction in the number of platelets in the blood is . - ANSW..thrombocytopenia

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BIO Ch. 7 Test Bank ________ are the agranular circulating white blood cells also found in lymph nodes. - ANSW..Lymphocytes A condition resulting from a reduction in the number of platelets in the blood is ________. - ANSW..thrombocytopenia

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BIO Ch. 7 Test Bank

________ are the agranular circulating white blood cells also found in lymph nodes. -
✔✔ANSW✔✔..Lymphocytes

A condition resulting from a reduction in the number of platelets in the blood is
________. - ✔✔ANSW✔✔..thrombocytopenia

A damaged red blood cell is removed from circulation by
A) phagocytosis by macrophages in the spleen.
B) basophils releasing histamine to stimulate breakdown of RBCs.
C) returning to red bone marrow and autolyzing.
D) being actively transported into macrophages in the liver and spleen.
E) endocytosis directed by monocytes. - ✔✔ANSW✔✔..A) phagocytosis by
macrophages in the spleen.

A high hematocrit might indicate
A) anemia.
B) too many white blood cells in circulation.
C) inadequate red blood cell production.
D) excessive production of platelets.
E) polycythemia. - ✔✔ANSW✔✔..E) polycythemia.

A physician finds that one of his patients has the following problems: Blood clots very
slowly or not at all, and severe bruises result from even the most minor bumps. Which
one of the following conditions would likely be diagnosed based on this information?
A) polycythemia
B) hemophilia
C) AIDS
D) anemia
E) mononucleosis - ✔✔ANSW✔✔..B) hemophilia

A researcher wants to produce antibodies by growing cells in the laboratory. What cell
population would be necessary to accomplish this?
A) neutrophils
B) monocytes
C) red blood cells
D) lymphocytes
E) eosinophils - ✔✔ANSW✔✔..D) lymphocytes

A scientist is interested in doing a research project on hemoglobin. From which one of
the following could he extract the hemoglobin for his study?
A) globulins

,B) white blood cells
C) platelets
D) clotting proteins
E) red blood cells - ✔✔ANSW✔✔..E) red blood cells

About 55% of whole blood is ________, which is/are mostly made up of water.
A) plasma
B) hemoglobin
C) white blood cells
D) clotting proteins
E) hematocrit - ✔✔ANSW✔✔..A) plasma

Albumin proteins in human blood function
A) to initiate blood clotting.
B) to transport oxygen to target cells.
C) to maintain blood volume.
D) as electrolytes.
E) to attack foreign organisms that enter the blood. - ✔✔ANSW✔✔..C) to maintain
blood volume.

Albumin, alpha globulin, beta globulin, and gamma globulin are all examples of
A) plasma proteins.
B) antibodies.
C) white blood cells.
D) clotting factors.
E) hormones. - ✔✔ANSW✔✔..A) plasma proteins.

All of the following are ways in which blood functions to maintain homeostasis in the
human body EXCEPT which one?
A) moving carbon dioxide away from cells following completion of aerobic metabolism
B) conducting action potentials that originate in the nervous system to help with cell-cell
communication
C) transporting amino acids and other nutrients derived from digestion to all tissues in
the body
D) transporting hormones and other chemical messengers throughout the body from
their point of secretion to their targets
E) regulating the pH of body fluids - ✔✔ANSW✔✔..B) conducting action potentials that
originate in the nervous system to help with cell-cell communication

An increased risk for cardiovascular health problems is associated with
A) an elevated level of hemoglobin.
B) high blood levels of HDLs.
C) decreased production of albumins.
D) high blood levels of LDLs.
E) low blood levels of LDLs. - ✔✔ANSW✔✔..D) high blood levels of LDLs.

, As an erythroblast develops into an erythrocyte, it
A) becomes filled with clotting proteins.
B) begins to manufacture platelets.
C) loses its ability to reproduce.
D) takes on the characteristics of an immature monocyte.
E) undergoes active aerobic metabolism. - ✔✔ANSW✔✔..C) loses its ability to
reproduce.

Based on information in the figure above, why do individuals with kidney disease
sometimes become anemic?
A) The diseased kidneys destroy circulating red blood cells.
B) The diseased kidneys do not secrete adequate erythropoietin.
C) Excessive red blood cells are lost in the urine due to leaky filtration in the diseased
kidneys.
D) Kidney disease spreads to the bones and interferes with red blood cell
production.Answer: B - ✔✔ANSW✔✔..B) The diseased kidneys do not secrete
adequate erythropoietin.

Blood displays a bright red color when
A) oxygen is released by hemoglobin as blood travels through capillaries.
B) four oxygen molecules bind to hemoglobin to create oxyhemoglobin.
C) plasma albumin levels increase as blood goes through the lungs.
D) carbon dioxide binds to the heme group of hemoglobin.
E) deoxyhemoglobin is formed in blood plasma. - ✔✔ANSW✔✔..B) four oxygen
molecules bind to hemoglobin to create oxyhemoglobin.

Blood doping, practiced by many athletes involved in the Tour de France as well as
other sports, involves the illegal use of drugs to
A) increase circulation.
B) increase the amount of oxygen carried in blood.
C) decrease the amount of carbon dioxide in blood.
D) elevate the rate of hemostasis.
E) increase red bone marrow production. - ✔✔ANSW✔✔..B) increase the amount of
oxygen carried in blood.

Cell surface proteins that are foreign to the body and therefore cause a response from
the immune system are known as ________. - ✔✔ANSW✔✔..antigens

Cells located in red bone marrow that give rise to platelets, red blood cells, and white
blood cells are called ________ cells. - ✔✔ANSW✔✔..stem

Dead and injured white blood cells are removed from circulation by the
A) spleen.
B) tonsils.
C) red bone marrow.
D) kidney.

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Exam (elaborations)

BIO Ch. 7 Test Bank are the agranular circulating white blood cells also found in lymph nodes. - ANSW..Lymphocytes A condition resulting from a reduction in the number of platelets in the blood is . - ANSW..thrombocytopenia

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