BIOS 255N Unit 4 Midterm Exam, BIOS 255-Anatomy and Physiology III with Lab, Anatomy and Physiology III: Chamberlain College of Nursing

BIOS 255N Unit 4 Midterm Exam, BIOS 255-Anatomy and Physiology III with Lab, Anatomy and Physiology III: Chamberlain College of Nursing 1. Question :(TCO3) Which of the following is a major function of blood? Student Answer: production of enzymes production of neurotransmitters transduction of pressure protection against infectious disease contractility Comments: Question 2. Question : (TCO3) Which of the following blood types is a person whose blood cells were not agglutinated by anti-A serum, anti-B serum, and anti-Rh serum Student Answer: AB negative AB positive O negative O positive A negative Comments: Question 3. Question : (TCO3) Which of the following formed elements in blood are removed by fixed macrophages in the spleen and liver after about 4 months in the circulation? Student Answer: erythrocytes thrombocytes monocytes basophils eosinophils Comments: Question 4. Question : (TCO3) A condition in which inadequate intake of vitamin B12 or folic acid cause production of large abnormal red blood cells is called Student Answer: hemorrhagic anemia aplastic anemia megaloblastic anemia pernicious anemia iron deficiency anemia Comments: Question 5. Question : (TCO3) Lymph is Student Answer: the same as plasma plasma without the clotting factors formed during the first step in blood clotting pulmonary interstitial fluid plasma without the albumins Comments: Question 6. Question : (TCO3) Which of the following precursor cells give rise to granular leukocytes? Student Answer: proerythroblasts megakaryoblast lymphoblast myeloblast none of the selections are correct Comments: Question 7. Question : (TCO3) Which of the following substances is an anticoagulant formed by mast cells and basophils? Student Answer: heparin fibrinogen thromboxane A2 prostacyclin plasmin Comments: Question 8. Question : (TCO3) Myeloid stem cells reside in Student Answer: the blood the yellow marrow the thymus gland the red marrow the spleen Comments: Question 9. Question : (TCO1) The membrane that surrounds and protects the heart is called the Student Answer: pericardium pleura myocardium mediastinum endocardium Comments: Question 10. Question : (TCO1) Stimulation of the sympathetic output to the heart would lead to Student Answer: a faster heart rate a slower heart rate no effects on cardiac output a ventricular block formation of new erythrocytes Comments: Question 11. Question : (TCO1) Which of the following hormones do not increase the heart rate? Student Answer: thyroid hormone norepinephrine epinephrine acetylcholine all of the above hormones Comments: Question 12. Question : (TCO1) The difference between a person’s maximum cardiac output and resting cardiac output is called the Student Answer: stroke volume peripheral resistance afterload cardiac reserve venous return Comments: Question 13. Question : (TCO1) The remnant of the foramen ovale in the adult heart is the Student Answer: foramen magnum interventricular septum fossa ovalis sinoatrial node atrioventricular node Comments: Question 14. Question : (TCO1) Which of the following chambers of the heart is surrounded by the thickest layer of myocardium? Student Answer: right atrium left atrium right ventricle left ventricle right auricle Comments: Question 15. Question : (TCO1) Which of the following electrocardiogram (ECG) waves represents ventricular repolarization? Student Answer: R wave Q wave P wave S wave T wave Comments: Question 16. Question : (TCO1) Elevated levels of _____ in the blood lead to reduced heart rate. Student Answer: potassium calcium epinephrine noradrenalin norepinephrine Comments: Question 17. Question : (TCO1) Which layer of the heart is the major contributor to the pumping action of the heart? Student Answer: myocardium epicardium endocardium pericardium serous pericardium Comments: Question 18. Question : (TCO2) Which of the following categories of hypertensive drugs lower blood pressure by blocking the formation of angtiotensin II, which results in vasodilation and decreased aldosterone secretion? Student Answer: diuretics ACE inhibitors Beta blockers calcium channel blockers anabolic steroids Comments: Question 19. Question : (TCO2) Which of the following categories would an individual with a blood pressure of 130/85 be placed in? Student Answer: normal high normal prehypertension stage 1 hypertension stage 2 hypertension Comments: Question 20. Question : (TCO2) Which of the following effectors would NOT be activated as described below in response to hypovolemic shock? Student Answer: adrenal cortex releases aldosterone kidneys conserve salt and water heart rate increases systemic arterioles vasodilate heart contractility increases Comments: Question 21. Question : (TCO2) Which of the following types of blood vessels have high pulsing blood pressure? Student Answer: arterioles capillaries venules veins vena cavae Comments: Question 22. Question : (TCO2) During embryonic development, blood cells are formed from Student Answer: endodermal cells pluripotent stem cells angioblasts fibroblasts osteoblasts Comments: Question 23. Question : (TCO2) Fenestrated capillaries that have small pores are commonly found in the Student Answer: kidneys small intestines choroid plexuses of the neural ventricular system all of the above none of the above Comments: Question 24. Question : (TCO2) Which of the following structures are found in veins but NOT in arteries? Student Answer: tunica externa tunica media tunica interna valves lumen Comments: Question 25. Question : (TCO2) The largest driving force for pulling fluid from the interstitial spaces back into the capillaries is: Student Answer: interstitial fluid hydrostatic pressure interstitial fluid osmotic pressure blood colloid osmotic pressure blood hydrostatic pressure glomerular hydrostatic pressure Comments: Question 26. Question : (TCO3) What is the pulse pressure of a person that has a diastolic pressure of 60 mm Hg with a systolic pressure of 125 mm Hg? Student Answer: 65 mm HG Comments: Question 27. Question : (TCO3) Determine the mean arterial pressure for a patient with an average systolic pressure of 120 mm Hg with a mean diastolic pressure of 60 mm Hg: Student Answer: 80 Comments: Question 28. Question : (TCO3) What is the resting cardiac output (in liters) of an athlete with a stroke volume of 75 ml and a resting heart rate of 60 beats/minute? Student Answer: CO= SV x HR 4.500 L/Min Comments: Question 29. Question : (TCO3) The same athlete during exercise has a heart rate of 180 beats/minute with an increase of stroke volume to 125 ml. What is their cardiac output during exercise? Student Answer: 22.500 L/min Comments: Question 30. Question : (TCO3) What is the cardiac cycle for a person with a resting heart rate of 66 beats per minute? Student Answer: Comments: Question 31. Question : (TCO3) What is the name of the blood vessel that supplies the face and head (except the brain) with oxygenated blood? Student Answer: supperior sagital sinus Comments: Comments: Question 32. Question : (TCO3) What is the name of the vein that is found behind the kneecap on the posterior surface of the leg? Student Answer: Right popliteal Comments: Question 35. Question : (TCO3) What is the name of this blood vessel that is highlighted? Student Answer: common carotid Comments: Question 36. Question : (TCO3) List and briefly describe the three mechanisms used to reduce blood loss from a damaged blood vessel. Comments: Question 37. Question : (TCO1) Define arrhythmia and discuss different categories of arrhythmias.