Straighterline BIO 202 Anatomy and Physiology II Midterm Exam (New Version June 2024)

Straighterline BIO 202 Anatomy and Physiology II Midterm Exam (New Version June 2024) We are a team of experts offering class attendance for all Straighterline, Online ATI, HESI, NCLEX, Portage Learning, Sophia etc courses (including final proctored exams!!). We also write essays, discussion posts, research papers and school assignments. Should you need any of these services, Contact us via email: or : +1 (540) 753-5914. Guaranteed Passing!  BIO202_MH_V4  Topic 6: Respiratory System Question 1 Correct 4.00 points out of 4.00 Flag question Question text All of the following could be learned from a blood chemistry test except Select one: a. blood urea nitrogen. b. elevated cholesterol levels. c. elevated glucose levels. d. heart rate and blood pressure. e. bilirubin levels. Question 2 Correct 4.00 points out of 4.00 Flag question Question text Blood is a type of_________tissue. Select one:a. areolar b. connective c. epithelial d. glandular Question 3 Correct 4.00 points out of 4.00 Flag question Question text Aspirin inhibits platelet plug formation by Select one: a. interfering with the synthesis of prostaglandins. b. blocking the binding of platelets to collagen. c. stimulating the release of heparin. d. making the platelet surface less sticky. e. blocking the effects of serotonin. Question 4 Correct 4.00 points out of 4.00 Flag question Question text When a person develops a sore throat, white blood cells are drawn to the area of infection by a process called_________. Select one: a. attraction b. chemotaxis c. ameboid movement d. diapedesis e. marginationQuestion 5 Correct 4.00 points out of 4.00 Flag question Question text An increase in hemoglobin increases Select one: a. the leukocyte count. b. the body's immune response. c. the ability of the blood to carry O2 to various tissues. d. the osmotic pressure of the blood. e. the quantity of plasma protein available for blood clotting. Question 6 Incorrect 0.00 points out of 4.00 Flag question Question text Which of the following is mismatched? Select one: a. Blood typing – determines ABO and Rh blood groups of a blood sample b. Differential count – determines the percent of each kind of leukocyte in the blood c. Complete blood count – includes RBC and WBC counts d. Blood crossmatch – donor and recipient blood cells are mixed together e. Hematocrit – percentage of total blood volume composed of RBCs Question 7 Correct 4.00 points out of 4.00Flag question Question text Iron Select one: a. is needed to produce hemoglobin. b. is a plasma coagulation factor. c. interferes with the normal function of hemoglobin. d. is the binding site for carbon dioxide on the hemoglobin molecule. e. prevents carbon monoxide from binding to hemoglobin. Question 8 Correct 4.00 points out of 4.00 Flag question Question text During platelet plug formation, Select one: a. vitamin K production increases. b. platelets multiply. c. platelets stick to the exposed collagen fibers of injured vessels. d. thrombin is released from endothelial cells. Question 9 Correct 4.00 points out of 4.00 Flag question Question textIf a young boy is diagnosed with hemophilia, he would have Select one: a. a disorder of the clotting process. b. an antigen-antibody reaction. c. an increased erythrocyte count. d. an infection of the blood. e. a type of cancer affecting white blood cells. Question 10 Correct 4.00 points out of 4.00 Flag question Question text The cascade of events in the intrinsic pathway can be set into motion when_________ comes into contact with collagen. Select one: a. factor X b. factor VII c. factor XII d. calcium e. factor III Question 11 Correct 4.00 points out of 4.00 Flag question Question text The plateau phase seen during the action potential of a cardiac muscle cell is due to the Select one: a. continuing to have open channels.b. opening of channels. c. closure of channels. d. closing of channels. e. sodium-potassium pump. Question 12 Correct 4.00 points out of 4.00 Flag question Question text All cardiac veins empty into the_________, which then empties into the_________. Select one: a. coronary sinus; left atrium b. inferior vena cava; left atrium c. great cardiac vein; right atrium d. great cardiac vein; superior vena cava e. coronary sinus; right atrium Question 13 Correct 4.00 points out of 4.00 Flag question Question text Pressure in the right ventricle must exceed pressure in the_________ before the right ventricle can eject blood. Select one: a. pulmonary trunk b. pulmonary veins c. superior vena cavad. coronary sinus e. aorta Question 14 Correct 4.00 points out of 4.00 Flag question Question text A knowledge of heart location would NOT be important for which of the following? Select one: a. Cardiopulmonary resucitation b. Stethoscope positioning c. Blood pressure readings d. Electrocardiogram Question 15 Correct 4.00 points out of 4.00 Flag question Question text Most of the ventricle filling occurs_________. Select one: a. when the AV valve is closed b. during ventricular systole c. during atrial systole d. during atrial diastole e. during isovolumetric contraction Question 16 Incorrect 0.00 points out of 4.00Flag question Question text What is the importance of the delay in the action potential in the AV node? Select one: a. It allows an action potential to reach the left atrium so both atria contract together. b. It allows an action potential to reach the left atrium so both atria contract together, before the ventricles contract. c. It allows the action potential to reach both ventricles at the same time. d. It allows time for the atria to fill with blood. Question 17 Correct 4.00 points out of 4.00 Flag question Question text Oxygen-poor blood passes through the _________. Select one: a. right AV (tricuspid) valve only b. pulmonary and aortic valves c. right AV (tricuspid) and pulmonary valves d. left AV (mitral) and aortic valves e. left AV (mitral) valve only Question 18 Correct 4.00 points out of 4.00 Flag questionQuestion text Why is body temperature sometimes reduced during heart surgery? Select one: a. To slow respiration b. To increase the oxygen content of blood c. To decrease heart rate d. To increase heart rate Question 19 Correct 4.00 points out of 4.00 Flag question Question text The function of the pericardial fluid is to Select one: a. provide oxygen and nutrients to the endocardium. b. lubricate the heart valves. c. reduce friction between the pericardial membranes. d. replace any blood that is lost. e. stimulate the heart. Question 20 Correct 4.00 points out of 4.00 Flag question Question text The baroreceptor reflex would cause which of the following events to occur if the reflex was caused by an increase in blood pressure? Select one: a. Increased cardiac output b. Increased sympathetic stimulation of the heartc. Increased parasympathetic stimulation of the heart d. Increased heart rate e. Increased force of contraction Question 21 Correct 4.00 points out of 4.00 Flag question Question text Which of the following happens when a person stands in one place for a long period of time? Select one: a. Edema may occur in the lower extremities. b. All of the choices are correct. c. Gravity causes an increased accumulation of blood in the veins in the feet and legs. d. Blood pressure rises in the venules of the feet. e. Without muscular movement, the pressure at the venous end of the capillaries increases. Question 22 Correct 4.00 points out of 4.00 Flag question Question text Blood is moved through the vascular system by Select one: a. valves in the wall of the blood vessels. b. viscosity of the blood. c. peristalsis caused by smooth muscle in the blood vessel walls. d. pressure gradients created by the heart. e. osmotic pressure. Question 23Correct 4.00 points out of 4.00 Flag question Question text Which of the following enhances the exchange between capillary walls and the interstitial spaces? Select one: a. The high pressure in the interstitial spaces b. The thinness of the capillary wall c. Minimal branching in the capillary bed d. Increased blood velocity through the capillaries e. The stratification of the capillary wall Question 24 Correct 4.00 points out of 4.00 Flag question Question text Case study: Dale was back home after spending the day at a picnic, where he ate some "spoiled" potato salad. He developed severe abdominal pain and cramps, vomiting, and diarrhea. After about ten to twelve episodes of watery diarrhea, Dale became so pale and weak, he could hardly walk. His wife took him to the hospital, where he was diagnosed with severe dehydration (decreased plasma volume). Dalw was suffering from shock. The body has several mechanisms that can come into play to try to maintain blood pressure and blood flow when a person goes into shock. Compensatory shock is characterized by a narrowed pulse pressure. Which of the following blood pressure readings is an example of a narrowed pulse pressure? Select one: a. 92/64b. 99/40 c. 100/50 d. 70/20 e. 82/40 Question 25 Correct 4.00 points out of 4.00 Flag question Question text The chemoreceptor reflexes help maintain homeostasis Select one: a. when H+ concentrations decrease. b. when stimulated by changes in blood osmotic pressure. c. when levels increase. d. under normal conditions. e. when epinephrine levels increase. Question 26 Correct 4.00 points out of 4.00 Flag question Question text The visceral branches of the internal iliac arteries supply blood to the Select one: a. lumbar and gluteal muscles. b. anterior abdominal wall. c. lower leg. d. external genitalia. e. urinary bladder, rectum, and reproductive organs. Question 27Correct 4.00 points out of 4.00 Flag question Question text Increased venous tone will Select one: a. stabilize blood velocity in the veins. b. help return blood to the heart. c. dilate the veins. d. allow blood to pool in the veins. e. relax the veins. Question 28 Correct 4.00 points out of 4.00 Flag question Question text The internal jugular veins join the subclavian veins to form the_________. Select one: a. superior vena cava b. azygos veins c. external jugular veins d. brachiocephalic veins e. axillary veins Question 29 Correct 4.00 points out of 4.00Flag question Question text Which artery supplies the small intestine, cecum, ascending colon, and transverse colon? Select one: a. Lumbar artery b. Superior mesenteric artery c. Inferior phrenic artery d. Inferior mesenteric artery Question 30 Correct 4.00 points out of 4.00 Flag question Question text Which of the following would lead to relaxation of the precapillary sphincter? Select one: a. Decreased tissue metabolism b. Decreased nitric acid levels c. Decreased concentration in the capillary bed d. Decreased levels in tissue cells served by the capillary e. Decreased lactate production by cells in the capillary bed Question 31 Correct 4.00 points out of 4.00 Flag question Question textA woman has her right breast and right axillary lymph nodes removed. Which of the following might occur? Select one: a. The thoracic duct would be severed. b. Cisterna chyli flow increases. c. Lymph drainage would be affected in both legs. d. Lymph drainage would be affected in her left arm. e. Right lymphatic duct drainage decreases causing edema in the right arm. Question 32 Correct 4.00 points out of 4.00 Flag question Question text In systemic inflammation, pyrogens_________. Select one: a. decrease vasodilation b. increase neutrophil production c. decrease phagocytosis d. are chemotactic factors e. stimulate fever production Question 33 Correct 4.00 points out of 4.00 Flag question Question text The serum used for emergency treatment of snakebites stimulates_________ immunity. Select one: a. artificial passiveb. natural active c. natural passive d. artificial active Question 34 Correct 4.00 points out of 4.00 Flag question Question text Which of the following substances causes increased capillary permeability, chemotaxis, and vasodilation? Select one: a. Prostaglandins b. Cytokines c. Leukotrienes d. Histamine e. Complement Question 35 Correct 4.00 points out of 4.00 Flag question Question text What is the purpose of lacteals? Select one: a. Drain blood from the spleen b. Absorb solutes from interstitial spaces c. Absorb fluid from capillary beds d. Absorb lipids from the digestive tract Question 36 Correct4.00 points out of 4.00 Flag question Question text Lymphocyte activation can occur in several ways. However, in all cases Select one: a. helper T cells are activated first and they then stimulate other cells. b. antigen-presenting cells process the antigen and present it to the lymphocytes. c. lymphocytes must recognize an antigen. d. antigens must be able to recognize the lymphocytes. e. cytokines released by the antigen stimulate the lymphocyte response. Question 37 Correct 4.00 points out of 4.00 Flag question Question text Different T-cell receptors can respond to different antigens because of different Select one: a. variable regions in the structure of the receptors. b. epitopes in the receptor's structure. c. complement binding sites in the receptors. d. selection processes. e. antigenic determinants. Question 38 Correct 4.00 points out of 4.00 Flag questionQuestion text Several days after an initial contact with an antigen, antibody blood levels increases. This is a_________. Select one: a. precipitating response b. primer response c. cascade response d. primary response e. principle response Question 39 Correct 4.00 points out of 4.00 Flag question Question text _________ lacks the capacity to remember a pathogen or react differently to it in the future, whereas_________ utilizes memory cells to adapt to a given pathogen and ward it off more easily in the future. Select one: a. A natural killer cell; a macrophage b. Innate immunity; cytotoxicity c. Innate immunity; adaptive immunity d. Adaptive immunity; innate immunity Question 40 Correct 4.00 points out of 4.00 Flag question Question text _________ determines which B-cell is cloned in an antibody-mediated response. Select one:a. A neutrophil b. Complement c. The antigen d. A macrophage e. The antibody Question 41 Incorrect 0.00 points out of 4.00 Flag question Question text Which of the following situations would decrease the oxygenation of fetal blood? Select one: a. A decrease in binding affinity of maternal hemoglobin b. A decrease in maternal hemoglobin c. An increase in fetal hemoglobin d. A decrease in fetal hemoglobin Question 42 Correct 4.00 points out of 4.00 Flag question Question text The pontine respiratory neurons Select one: a. are located in the medulla oblongata in the brain. b. play a role in switching between inspiration and expiration. c. are active only during inspiration. d. are active only during expiration. e. is essential for respiratory rhythm.Question 43 Correct 4.00 points out of 4.00 Flag question Question text Why is fetal hemoglobin very efficient at picking up oxygen? Select one: a. The BPG levels are much higher than in maternal hemoglobin. b. The fetal oxygen-dissociation curve is to the right of the maternal oxygen-dissociation curve. c. The concentration of fetal hemoglobin is 10% greater than the concentration of maternal hemoglobin. d. The fetal oxygen-dissociation curve is to the left of the maternal oxygen-dissociation curve. Question 44 Correct 4.00 points out of 4.00 Flag question Question text The major regulator of respiration is the plasma concentration of_________. Select one: a. chloride b. water vapor c. carbon dioxide d. oxygen e. nitrogen Question 45 Correct 4.00 points out of 4.00Flag question Question text The trachea Select one: a. is lined with keratinized squamous epithelium. b. has "C" shaped cartilages that form its anterior and lateral sides. c. is located in the pleural cavity. d. collapses when not in use. e. bifurcates to form the bronchioles. Question 46 Correct 4.00 points out of 4.00 Flag question Question text If you exercise with enough intensity that the blood pH is changed, you have exceeded the_________. Select one: a. anaerobic threshold b. base point c. pH threshold d. aerobic threshold e. acidity point Question 47 Correct 4.00 points out of 4.00 Flag questionQuestion text Most is transported in the blood Select one: a. dissolved in the plasma. b. in the form of bicarbonate ions. c. in the form of carbonic acid. d. by the leukocytes. e. bound to hemoglobin. Question 48 Correct 4.00 points out of 4.00 Flag question Question text Two opposing mechanisms determine alveolar expansion:_________ leads to alveolar expansion, while_________ opposes alveolar expansion. Select one: a. lung recoil; positive pleural pressure b. negative pleural pressure; lung recoil c. lung recoil; negative pleural pressure d. positive pleural pressure; lung recoil Question 49 Correct 4.00 points out of 4.00 Flag question Question text A protective function of the respiratory system would be Select one: a. olfaction by drawing molecules into the nasal cavity.b. producing ACE which helps regulate blood pressure. c. altering blood pH by changing blood levels. d. preventing microorganisms from entering the body. Question 50 Correct 4.00 points out of 4.00 Flag question Question text Oxygen is transported in the blood Select one: a. bound to albumin. b. as part of the bicarbonate ion. c. dissolved in the plasma. d. bound to hemoglobin. e. dissolved in the plasma and bound to hemoglobin.