BIOS255N Week 4 Midterm Exam Questions and Solutions Assessment

BIOS255N Week 4 Midterm Exam Questions and Solutions BIOS255N Week 4 Midterm Exam Questions and Solutions Permalink: bios255n-week-4-…-and-solutions-2 / Question 1. Question : (TCO3) Which of the following is a major function of blood? Student Answer: production of enzymes production of neurotransmitters transduction of pressure transportation of heat contractility Question 2. Question : (TCO3) Which of the following blood types is a person whose blood cells were agglutinated by anti-A serum but not by anti-B serum nor by anti-Rh serum B positive O negative O positive A negative Question 3. Question : (TCO3) Which of the following formed elements in blood only temporarily move through the blood before they become fixed in the tissues as macrophages? thrombocytes monocytes basophils eosinophils Question 4. Question : (TCO3) Reduced vitamin B12 absorption from the small intestine due to reduced intrinsic factor production from the stomach results in a condition called aplastic anemia megaloblastic anemia pernicious anemia iron deficiency anemia BIOS255N Week 4 Midterm Exam Questions and Solutions Question 5. Question : (TCO3) Serum is plasma without the clotting factors the same as lymph formed during the first step in blood clotting pulmonary interstitial fluid Question 6. Question : (TCO3) Which of the following precursor cells give rise to T-cells? meyloblasts lymphoid stem cells proerythroblast megakaryoblast Question 7. Question : (TCO3) Which of the following opposes the action of thromboxane A2 by inhibiting platelet adhesion and release? fibrinogen plasmin antithrombin prostacyclin BIOS255N Week 4 Midterm Exam Questions and Solutions Question 8. Question : (TCO3) Myeloid stem cells reside in the yellow marrow the thymus gland the red marrow the spleen Question 9. Question : (TCO1) The tough, inelastic dense connective tissue that surrounds the heart is called the pleura serous pericardium fibrous pericardium epicardium Question 10. Question : (TCO1) During heart transplants, the ______ nerves are severed resulting in a faster resting heart rate (approximately 100 beats per minute) after the transplant cardiac accelerator vagus phrenic cervical spinal Question 11. Question : (TCO1) Which of the following factors lead to depressed cardiac output? alkalosis hypoxia all of the above none of the above have any depressive effects on the heart Question 12. Question : (TCO1) If a person’s resting heart rate is 70 and their resting stroke volume is 60 ml of blood, then their cardiac output is _______ L/min 4200 4.2 130 1.3 Question 13. Question : (TCO1) The purpose of the foramen ovale during fetal life is to have the blood bypass the liver have the blood bypass the lungs have the blood bypass the placenta have the blood bypass the brain Question 14. Question : (TCO1) Heart murmurs are often heard in individuals with abnormalities in the ____ of the heart. myocardium SA node AV node endocardium Question 15. Question : (TCO1) Which of the following electrocardiogram (ECG) waves represents ventricular repolarization? Q wave P wave S wave T wave Question 16. Question : (TCO1) Which part of the brain contains the cardiovascular center that regulated heart rate? cerebrum medullar oblongata cerebellum thalamus Question 17. Question : (TCO1) Which layer of the heart is comprised of epithelial cells? epicardium endocardium pericardium serous pericardium 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? ACE inhibitors Beta blockers calcium channel blockers anabolic steroids Question 19. Question : (TCO2) Which of the following categories would an individual with a blood pressure of 145/95 be placed in? high normal prehypertension stage 1 hypertension stage 2 hypertension Question 20. Question : (TCO2) Which of the following effectors would NOT be activated as described below in response to hypovolemic shock? kidneys conserve salt and water heart rate increases systemic arterioles vasodilate heart contractility increases Question 21. Question : (TCO2) Which of the following blood vessels have high pulsing blood pressure? internal jugular vein median cubital vein inferior vena cava none of the above Question 22. Question : (TCO2) During fetal development, the blood from the pulmonary veins are shunted into the pulmonary arteries by the foramen ovale ductus venosus placenta ligamentum arteriosum Question 23. Question : (TCO2) Most capillaries throughout the body are sinusoids portal systems vasoconstrictory throughputs continuous Question 24. Question : (TCO2) Capillaries are also referred to as vasoconstrictors vasodilators pressure reservoirs distributing vessels Question 25. Question : (TCO2) The volume of blood that circulates through the systemic blood vessels in one minute is called tidal volume cardiac output cardiac reserve total peripheral resistance Question 26. Question : (TCO3) What is the pulse pressure of a person that has a systolic pressure of 150 mm Hg with a diastolic pressure of 90 mm Hg? 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: 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? 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? Question 30. Question : (TCO3) What is the cardiac cycle for a person with a resting heart rate of 80 beats per minute? Question 31. Question : TCO3) What is the name of the blood vessel that supplies the face and head (except the brain) with oxygenated blood? Question 32. Question : TCO3) What is the name of the blood vessel that is the distal extension of the external iliac artery as it enters the leg? Question 33. Question : (TCO3) What is the name of the blood vessel that drains deoxygenated blood from the medial aspect of the forearm? Question 34. Question : TCO3) What is the name of the vein that is found behind the kneecap on the posterior surface of the leg? Question 35. Question : (TCO3) What is the name of this blood vessel that is highlighted? Question 36. Question : (TCO3) List and briefly describe the three mechanisms used to reduce blood loss from a damaged blood vessel. Question 37. Question : (TCO1) Define arrhythmia and discuss different categories of arrhythmias. Question 38. Question : (TCO2) What is a portal vein? Describe the hepatic portal circulation and its functional significance … BIOS255N Week 4 Midterm Exam Questions and Solutions Get a 10 % discount on an order above $ 100 Use the following coupon code : NURSING10

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