A&P 2 Chapter 17
The function of red blood cells is to?
A) Carry oxygen from the lungs to the body's cells B) Carry nutrients from the digestive system to the body's cells C) Carry oxygen from the body's cells to the lungs D) Defend the body against infectious organisms E) Carry carbon dioxide from the lungs to the body's cells Correct answer is A
Hormones called _____________ are involved in regulation of white blood cell populations?
A) Colony-Stimulating factor B) Estrogen C) Testosterone D) erythropoietin (EPO) E) Fibrin Correct answer is A
The process of red blood cell production is called?
A) Erythrocytosis B) Hematopenia C) Erythropenia D) Erythropoiesis E) Hemocytosis Correct answer is D
A hematocrit provides information on?
A) Formed elements adbundce B) Clotting factors C) Sedimentation rate D) Plasma composition E) blood type Correct answer is A
Formed elements make up about what percentage of blood?
A) 20 B) 60 C) 78 D) 55 E) 45 Correct answer is
Which of the following vitamins is needed for the formation of clotting factors?
A) A B) B C) K D) D E) E Correct answer is C
Which of the following is false concerning monocytes?
A) About same size as Basophils B) Enter tissues and wander C) Are long-lived D) Become macrophanges E) Can phagocytize bacteria Correct answer is A
How do basophils respond to tissue damage?
A) Basophils enter damaged tissue and engulf antibody-labeled materials, release cytotoxic enzymes, and reduce inflammation B) Basophils enter damaged tissue and release a variety of chemicals, including histamine, which promotes inflammation C) Basophils provide defense against specific pathogens or toxins by becoming B plasma cells, which produce antibodies D) Basophils enter damaged tissue and become macrophages which engulf pathoge4ns or debris E) Basophils enter damaged tissue first and in high numbers to engulf the pathogens and debris and release cytotoxic enzymes and chemicals that attract other WBCs to the region Correct answer is B
Define Hemocrit
A) Hemocrit is the percentage of whole blood volume contributed by water B) Hemocrit is the percentage of whole blood volume contributed by formed elements C) Hemocrit is the percentage of whole blood volume contributed by plasma D) Hemocrit is the percentage of whole blood volume contributed by platelets E) Hemocrit is the percentage of whole blood volume contributed by white blood cells Correct answer is B
A plasma protein essential for blood coagulation is?
A) Immunoglobulin A B) Platelets C) Fibrinogen D) Transport proteins E) Albumin Alpha Correct answer is C
Plasma proteins essential in body defense are the?
A) Immunoglobulins B) Fibrinogens C) Albumins D) Transport proteins E) Platelets Correct answer is A
Which of these descriptions best matches the term lymphocytes?
A) Kill bacteria using cytotoxic chemicals B) Become macrophages C) Defend against specific pathogens or toxins D) Often elevated in allergic individuals E) Release histamine Correct answer is C
Which of the following descriptions best matches the term eosinophils?
A) Often elevated in allergic individuals B) Defend against specific pathogens or toxins and produce antibodies in response to antigens C) Become macrophages D) Release histamine E) Kill bacteria using cytotoxic chemicals Correct answer is A
Erythropoiesis is stimulated when?
A) Oxygen level in the blood decrease B) Oxygen levels in the blood increase C) Both oxygen levels in the blood increase and blood flow to the kidney declines D) Blood flow to the kidney declines E) Both oxygen level in the blood decrease and blood flow to the kidney declines Correct Answer Is E
All of the following are true of neutrophils Except that they are?
A) Phagocytic B) Round cells with lobed nuclei C) Granular Leukocytes D) Important in coagulation E) Active in fighting bacterial infections Correct answer is D
Identify the five types of white blood cells?
A) Plasma cells, memory B cells, memory T cells, cytotoxic T cells, helper T cells B) Mast cells, dendritic cells, erythrocytes, platelets, and basophils C) Neutrophils, eosinophils, basophils, monocytes, and lymphocytes D) Monocytes, macrophages, dendritic cells, T lymphocytes, and B lymphocytes E) Astrocytes, microglial cells, kuppfer cells, lymphocytes, and ependymal cells Correct answer is C
Which of these descriptions best matches the term platelets?
A) Produce antibodies in response to antigens B) Often elevated in allergic individuals C) Adhere to collagen beneath endothelium D) Kill bacteria using hydrogen peroxide E) Helper cells are one type Correct answer is C
Which of these is not one of the formed elements of blood?
A) RBCs B) Antibodies C) Lymphocytes D) Basophils E) Platelets Correct answer is B
The combination of plasma and formed elements is called?
A) Serum B) Whole blood C) Lypmh D) Extracellular fluid E) Packed blood Correct answer is B
In adults, the only site of red blood cell production and the primary site of white blood cell formation is?
A) The liver B) The thymus C) Yellow bone marrow D) Red bone marrow E) The spleen Correct answer is D
Most of the protein factors that are required for clotting are synthesized by?
A) The spleen B) The liver C) The kidneys D) Platelets E) megakaryocytes Correct answer is B
The process of white blood cell production and maturation goes on in all of the following except?
A) The spleen B) Red bone marrow C) The thymus D) The lymph nodes E) The kidney Correct answer is E
The disease sickle cell anemia is an example of what can happen if?
A) There is sufficient heme in the hemoglobin B) Hemolysis is prevented by a bad gene C) The diet is deficient in iron D) A gene for adult hemoglobin is abnormal E) Red blood cells bind too much oxygen Correct answer is E
The level of erythropoietin in the blood would rise due to all of the following except?
A) When blood flow to the kidneys is disrupted B) During periods of fasting C) During anemia D) As a consequence of hemorrhage E) At high altitudes Correct answer is B
Granulocytes form in?
A) Yellow bone marrow B) The intestines C) Red bone marrow D) The spleen E) The thymus Correct answer is C
