BIOL 2402 Anatomy & psychology 2 final exam // latest edition{2020/2021}

The cells responsible for the production of circulating immunoglobulins are cells. Selected Answer: D. plasma Answers: A. liver B. thymus C. helper T D. Question 2 plasma E. NK 1 out of 1 points Most of the lymph returns to the venous circulation by way of the . Selected Answer: E. thoracic duct Answers: A. right lymphatic duct B. hepatic portal vein C. dural sinus D. cisterna chyli E. thoracic duct Question 3 1 out of 1 points The release of endogenous pyrogen (or interleukin-1) by active macrophages would . Selected Answer: C. produce a fever Answers: A. cause inflammation B. opsonize pathogens C. produce a fever D. activate complement E. activate antibodies Question 4 1 out of 1 points Immunoglobulins that are most abundant and are responsible for resistance against many viruses, bacteria, and bacterial toxins are . Selected Answer: D. IgG Answers: A. Question 5 IgA B. IgD C. IgE D. IgG E. IgM 1 out of 1 points The body's nonspecific defenses include all of the following, except . Selected Answer: D. antibodies Answers: A. complement B. interferon C. inflammation D. Question 6 antibodies E. the skin 1 out of 1 points are clusters of lymphoid nodules deep to the epithelial lining of the small intestine. Selected Answer: E. Peyer patches Answers: A. Lymph glands B. Tonsils C. Adenoids D. Immune complexes E. Peyer patches Question 7 1 out of 1 points Lymphocytes that destroy foreign cells or virus-infected cells are cells. Selected Answer: D. cytotoxic T Answers: A. plasma B. B C. helper T D. cytotoxic T E. suppressor T Question 8 1 out of 1 points Areas of the spleen that contain large aggregations of lymphocytes are known as . Selected Answer: E. white pulp Answers: A. Peyer patches B. Question 9 adenoids C. lymph nodes D. red pulp E. white pulp 1 out of 1 points The effects of activating the complement system include all of the following, except . Selected Answer: C. inhibition of the immune response Answers: A. stimulation of inflammation B. chemotaxis C. inhibition of the immune response D. destruction of target cell plasma membranes E. opsonization Question 10 1 out of 1 points Blood returning to the heart from the pulmonary circuit first enters the . Selected Answer: B. left atrium Answers: A. right ventricle B. left atrium C. right atrium D. conus arteriosus E. left ventricle Question 11 1 out of 1 points The term used to describe fluid collecting in the pericardial cavity that restricts the movement of the heart is known as . Selected Answer: C. cardiac tamponade Answers: A. cardiomyopathy B. pericarditis C. cardiac tamponade D. pleural effusion E. mitral valve prolapse Question 12 1 out of 1 points Cardiac muscle cells and skeletal muscle cells differ in a few ways. Which of the following is NOT one of them? Selected Answer: A. Cardiac muscle cells lack transverse tubules. Answers: A. Cardiac muscle cells lack transverse tubules. B. Question 13 Cardiac muscle cells have a single, centered nucleus. C. Cardiac muscle cells are smaller in size. D. Cardiac muscle cells branch. E. Skeletal muscle cells lack intercalated discs. 1 out of 1 points Contractions of the papillary muscles . Selected Answer: D. prevent the atrioventricular valves from reversing into the atria. Answers: A. eject blood from the atria into the ventricles. B. eject blood from the ventricles. C. close the semilunar valves. D. prevent the atrioventricular valves from reversing into the atria. E. close the atrioventricular valves. Question 14 1 out of 1 points The long plateau phase of the cardiac muscle action potential is due to . Selected Answer: A. calcium channels remaining open. Answers: A. calcium channels remaining open. B. increased membrane permeability to sodium ions. C. decrease in the amount of calcium diffusing across the membrane. D. increased membrane permeability to potassium ion. E. movement of fewer sodium ions across the cell membrane. Question 15 1 out of 1 points During ventricular systole, . Selected Answer: A. the AV valves are closed. Answers: A. the AV valves are closed. B. the atria are contracting. C. the pressure in the aorta remains constant. D. the pressure in the ventricles remains constant. E. the blood is entering the ventricles.