Question: List two factors that function to dissolve blood clots.
Answer Choices: A. Vitamin K and calcium B. Urokinase and streptokinase C. Thrombus and embolus D. Calcium ions and prothrombin activator
Answer: B. Urokinase and streptokinase
Question: What effect would drinking too much water have on blood viscosity and peripheral resistance?
Answer Choices: A. Decrease in blood viscosity and increase in peripheral resistance B. Increase in blood viscosity and increase in peripheral resistance C. Increase in blood viscosity and decrease in peripheral resistance D. Decrease in blood viscosity and decrease in peripheral resistance
Answer: D. Decrease in blood viscosity and decrease in peripheral resistance
Question: What type of leukocyte has cytoplasmic granules that appear very dark blue in a basic stain?
Answer Choices: A. Basophils B. Eosinophils C. Lymphocytes D. Monocytes E. Neutrophils
Answer: A. Basophils
Question: Valves help ensure one-way blood flow in which structures?
Answer Choices: A. Capillaries B. Arteries and veins C. Heart and veins D. Heart and arteries
Answer: C. Heart and veins
Question: What part of the ECG pattern is due to depolarization of the ventricles?
Answer Choices: A. P wave B. T wave C. QRS complex D. PR interval
Answer: C. QRS complex
Question: How many Senators does the U.S. Constitution allow to represent each state?
Answer Choices: A one B two C four D six
Answer: B. two
Question: What is the result when an allergen binds to cell-bound IgE during an immediate-reaction hypersensitivity?
Answer Choices: A. Increased mucus production B. Further production of IgE antibodies C. Release of histamine by mast cells D. Constriction of nearby blood vessels
Answer: C. Release of histamine by mast cells
Question: What term refers to a white blood cell count that is lower than normal?
Answer Choices: A. Leukopenia B. Leukocytocis C. Polycythemia D. Thrombocytopenia
Answer: A. Leukopenia
Question: What drives the movement of lymph through lymphatic vessels?
Answer Choices: A. Pumping activity of the heart B. Contraction of nearby skeletal muscles C. Changes in blood pressure D. Changes in osmotic pressure of lymph fluid
Answer: B. Contraction of nearby skeletal muscles
Question: What type of leukocyte accounts for 25% to 33% of all circulating WBCs and is closest in size to red blood cells?
Answer Choices: A. Basophils B. Eosinophils C. Lymphocytes D. Monocytes E. Neutrophils
Answer: C. Lymphocytes
Question: Where are B cells and T cells processed?
Answer Choices: A. B cells in the spleen; T cells in bone marrow B. Both B and T cells in lymph nodes C. B cells in bone marrow; T cells in the thymus D. B cells in lymph nodes; T cells in the spleen
Answer: C. B cells in bone marrow; T cells in the thymus
Question: Patients with a genetic form of agammaglobulinemia may present with more frequent infections. Why would this disorder result in difficulty fighting off infections?
Answer Choices: A. There is no production of T cells, so there is no cellular immune response. B. The T cells over-react, resulting in activation of autoantibodies. C. The B cells can’t make antibodies, so there is no humoral immune response. D. The macrophages are overproducing cytokines, making the immune response ineffective.
Answer: C. The B cells can’t make antibodies, so there is no humoral immune response.
Question: What is the most abundant type of plasma protein?
Answer Choices: A. Albumin B. Globulin C. Hemoglobin D. Fibrinogen
Answer: A. Albumin
Question: Blood leaving the muscles near the thumb would first flow into which of the following veins?
Answer Choices: A. Brachial v. B. Radial v. C. Ulnar v. D. Median cubital v.
Answer: B. Radial v.
Question: A patient had lymph nodes removed in the axillary region during a mastectomy. What is a potential problem that might develop in this patient’s right arm?
Answer Choices: A. Excessive blood flow B. Loss of tissue fluid C. Loss of blood supply D. Edema
Answer: D. Edema
Question: What is the function of a megakaryocyte?
Answer Choices: A. Cell from which monocytes develop B. Cell from which all types of WBCs develop C. Cell from which all formed elements develop D. Cell from which platelets are formed
Answer: D. Cell from which platelets are formed
Question: What valve would blood pass through in order to enter the right ventricle?
Answer Choices: A. Mitral valve B. Aortic valve C. Pulmonary valve D. Tricuspid valve
Answer: D. Tricuspid valve
Question: If contrast dye is injected into the internal carotid artery, the radiologist is trying to examine blood flow through what area of the body?
Answer Choices: A. The face B. The arms and the hands C. The heart D. The brain
Answer: D. The brain
Question: What are the cells that are primarily responsible for immunity?
Answer Choices: A. Monocytes and macrophages B. Lymphocytes and macrophages C. Lymphocytes and monocytes D. Neutrophils and lymphocytes
Answer: B. Lymphocytes and macrophages
Question: What type of antibodies are produced in a primary and a secondary immune response?
Answer Choices: A. IgM in a primary response and IgM in a secondary response B. IgE in a primary response and IgM in a secondary response C. IgM in a primary response and IgG in a secondary response D. IgD in a primary response and IgA in a secondary response
Answer: C. IgM in a primary response and IgG in a secondary response
Question: In what type of blood vessel is the tunica media the thickest?
Answer Choices: A. Capillaries B. Arterioles C. Veins D. Arteries
Answer: D. Arteries
Question: What part of a lymph node do blood vessels enter and exit?
Answer Choices: A. Lymphatic sinus B. Hilum C. Lymphatic nodule D. Germinal center
Answer: B. Hilum
Question: What is lymph?
Answer Choices: A. Fluid in veins B. Fluid within lymphocytes C. Fluid in the tissues surrounding lymphatic vessels D. Fluid in lymphatic vessels
Answer: D. Fluid in lymphatic vessels
Question: In an autoimmune disease, what is targeted by the autoantibodies?
Answer Choices: A. Viruses B. Bacteria C. Tissues and organs of the body D. Macrophages
Answer: C. Tissues and organs of the body
Question: Which of the following is an agranulocyte?
Answer Choices: A. Eosinophil B. Basophil C. Monocyte D. Neutrophil
Answer: C. Monocyte