Straighterline Anatomy and Physiology 2 BIO202 Topic 2: Cardiovascular System: The Heart Quiz 2023

Straighterline Anatomy and Physiology 2 BIO202 Topic 2: Cardiovascular System: The Heart Quiz 2023 Hello We are a team of experts offering course attendance for all Straighterline, Portage Learning, Sophia etc courses. We also write essays, research papers and school assignments. Should you need any of these services, Contact us via email: or : +1 (908) 954-4829. Guaranteed Passing!  BIO202_MH_V3  Topic 2: Cardiovascular System: The Heart Started on Saturday, June 10, 2023, 11:27 AM State Finished Completed on Saturday, June 10, 2023, 11:46 AM Time taken 19 mins 42 secs Grade 40.00 out of 40.00 (100%) Question 1 Correct 2.00 points out of 2.00 Flag question Question text End-diastolic volume minus end-systolic volume is equal to Select one:a. cardiac output. b. cardiac reserve. c. pulse volume. d. venous return. e. stroke volume. Question 2 Correct 2.00 points out of 2.00 Flag question Question text During the ejection phase of the cardiac cycle, blood exits the left ventricle through the Select one: a. aorta. b. coronary sinus. c. pulmonary vein. d. superior vena cava. e. pulmonary trunk. Question 3 Correct 2.00 points out of 2.00 Flag question Question text The relationship between preload and stroke volume is known as Select one: a. extrinsic regulation. b. cardiac reserve. c. Starling Law of the heart. d. minute volume. Question 4Correct 2.00 points out of 2.00 Flag question Question text The first and second heart sounds are most directly related to Select one: a. pulse pressure in the aorta. b. the contraction of the atria. c. vibrations that occur when the valves close. d. contraction of the papillary muscles. e. the flow of the blood. Question 5 Correct 2.00 points out of 2.00 Flag question Question text When comparing cardiac muscle cells and skeletal muscle cells, Select one: a. the rate of action potential propagation is faster in cardiac muscle. b. both possess intercalated discs. c. only skeletal muscle has a plateau phase in its contraction cycle. d. action potentials are conducted from cell to cell only in cardiac muscle. e. both are voluntary. Question 6 Correct 2.00 points out of 2.00 Flag questionQuestion text What is the foramen ovale? Select one: a. An opening between the right and left atria in the embryo and fetus. b. An opening between the right and left ventricles in the embryo and fetus. c. An oval hole in the pericardium in the embryo and fetus. d. An opening between the pulmonary trunk and aorta in the embryo and fetus. Question 7 Correct 2.00 points out of 2.00 Flag question Question text The AV valve that is located on the same side of the heart as the origin of the aorta is the Select one: a. bicuspid or mitral valve. b. tricuspid valve. c. aortic semilunar valve. d. pulmonary semilunar valve. e. coronary sinus valve. Question 8 Correct 2.00 points out of 2.00 Flag question Question text Which of the following phrases would apply to cardiac muscle cells? Select one: a. are organized in parallel columns or bundles b. contain actin but no myosin c. develop a significant oxygen debt during systole d. are multinucleated like skeletal muscle cellse. possess special cell-to-cell contacts called intercalated discs Question 9 Correct 2.00 points out of 2.00 Flag question Question text Concerning heart sounds, which of the following is correct? Select one: a. The first heart sound occurs at the beginning of ventricular systole. b. The second heart sound is heard when the AV valves are closing. c. The first heart sound is the sound of the semilunar valves closing. d. The second heart sound occurs when blood flows into the superior vena cava. e. The first heart sound occurs at the beginning of ventricular diastole. Question 10 Correct 2.00 points out of 2.00 Flag question Question text The dicrotic notch in the aortic pressure curve is due to the Select one: a. increase in intraventricular pressure during ejection. b. backflow of blood toward the ventricles. c. closure of the left AV valve. d. elasticity of the arterial wall. e. closure of the semilunar valves. Question 11 Correct 2.00 points out of 2.00Flag question Question text Which of the following is administered to the people suffering from myocardial infarction following onset of symptoms? Select one: a. Beta-adrenergic blocking agents b. Nitroglycerine c. Tissue plasminogen activator (t-PA) d. Digitalis Question 12 Correct 2.00 points out of 2.00 Flag question Question text During hemorrhagic shock in which blood pressure is decreased, which of the regulatory mechanisms is most important is increasing cardiac output to help maintain blood pressure? Select one: a. increased sympathetic stimulation of the heart b. increase venous return c. increase in parasympathetic stimulation of the heart d. increase vagal stimulation of the heart e. increase in the amplitude of the heart sounds Question 13 Correct 2.00 points out of 2.00 Flag question Question textWhich of the following might increase the risk for cardiovascular disease? Select one: a. stopping smoking b. exercise c. maintaining normal cholesterol levels d. chronic stress e. lots of fiber in the diet Question 14 Correct 2.00 points out of 2.00 Flag question Question text The procedure whereby a small balloon is placed into a partially occluded coronary artery and then inflated to increase blood flow through the artery is called a(n) Select one: a. angioplasty. b. coronary bypass. c. urokinase injection. d. tissue plasminogen activation. e. angiogram. Question 15 Correct 2.00 points out of 2.00 Flag question Question text Why is it important to use an antibiotic other than ampicillin in the treatment of bacterial pneumonia? Select one: a. Because antibiotics, such as ampicillin destroy the cell walls of cardiac muscle cells. b. Because antibiotics, such as ampicillin cause the cells lining blood vessels to endocytose bacteria and deposit them in cardiac muscle tissue.c. Because antibiotics, such as ampicillin are not effective in the treatment of bacterial pneumonia. d. Because antibiotics, such as ampicillin destroy the cell walls of bacteria which cause a toxin to be released that will destroy cardiac muscle cells. Question 16 Correct 2.00 points out of 2.00 Flag question Question text A patient has been diagnosed with mild heart disease. Tests show that some of the coronary arteries are partially occluded. Which of the following is the best course of action to treat the disease? Select one: a. Angioplasty b. Coronary bypass surgery c. Electrocardiogram d. Tissue plasminogen activation e. Angiogram Question 17 Correct 2.00 points out of 2.00 Flag question Question text Fred was admitted to the cardiac unit with chest pains. No arrhythmias and no large changes in the heart rate were observable. Blood samples taken over the next few days showed no increase in enzymes such as creatine phosphokinase. A possible treatment of the condition is Select one: a. beta adrenergic blocking agents. b. nitroglycerin. c. calcium channel blocking agents.d. aspirin. e. exercise. Question 18 Correct 2.00 points out of 2.00 Flag question Question text What abnormal heart rhythm could be caused by an elevated body temperature, excessive sympathetic stimulation, or toxic conditions? Select one: a. bradycardia b. atrial fibrillation c. second-degree AV node block d. tachycardia Question 19 Correct 2.00 points out of 2.00 Flag question Question text Angina pectoris is chest pain caused by reduced Select one: a. stimulation of the myocardium. b. blood supply to cardiac muscle. c. fluid in the pericardial sac. d. contractility of the heart. e. action potentials from SA node. Question 20 Correct 2.00 points out of 2.00Flag question Question text Coronary artery disease can diminish myocardial blood flow resulting in the death of myocardial cells. This condition is known as a myocardial Select one: a. attack. b. angina. c. necrosis. d. cirrhosis. e. infarction.