BIO 251 Quiz 3. Questions and Answers. 100.0/ 100.0 Points (From chapter 20 (20.1-20.6) | American Military University

BIO 251 Quiz 3 Return to Assessment List Part 1 of 1 - Part 1 100.0/ 100.0 Points From chapter 20 (20.1-20.6) Question 1 of 10 10.0 / 10.0 Points Capillaries that have a perforated lining are called . • A. Perforated capillaries • B. Sinusoid capillaries • C. Continuous capillaries • D. Gap Capillaries • E. Fenestrated capillaries Feedback: Good work; your answer is correct! Question 2 of 10 10.0 / 10.0 Points These control the blood flow through a capillary bed. • A. Precapillary sphincters • B. Vasorum • C. Thoroughfare channel • D. AV values • E. Arterioles Feedback: Good work; your answer is correct! Question 3 of 10 10.0 / 10.0 Points During vigorous exercise, one would expect: • A. Blood to be diverted from the brain • B. Blood to be diverted to the kidneys • C. Blood to be diverted to the muscles doing the work • D. The heart rate to become slow but more contractile. • E. Two of the above are correct. Feedback: Good work; your answer is correct! Question 4 of 10 10.0 / 10.0 Points Cardiac output equals: • A. Stroke volume • B. Systolic pressure plus diastolic pressure • C. Blood flow through the entire vascular system • D. Blood leaving one ventricle during one beat of the heart. • E. Heart rate Feedback: Good work; your answer is correct! Question 5 of 10 10.0 / 10.0 Points Venous return is affected by all EXCEPT: • A. Skeletal and muscle activity • B. Values lining the veins • C. Thorax pressure changes • D. Temperature changes in the body • E. All of the above affect venous return. Feedback: Good work; your answer is correct! Question 6 of 10 10.0/ 10.0 Points The following is a list of vessels. Place them in the order that blood would go through entering the systemic circulation. 1. Left ventricle 2. Aorta 3. Vena cavae 4. Pulmonary trunk 5. Pulmonary veins 6. Right atrium 7. Right ventricle 8. Left atrium • A. 8,1,3, 6, 7, 5, 2, 4, • B. 1, 7, 3, 8, 5, 6, 2, 4 • C. 3, 5, 8, 4, 1, 2, 7, 6 • D. 6, 7, 3, 5, 2, 1, 4, 8 • E. 3, 6, 7, 4, 5, 8, 1, 2 Feedback: Good work; your answer is correct! Question 7 of 10 10.0 / 10.0 Points is a condition where the heart is beating over 100 beats per minute. • A. Irregular Heart Beat (IHR) • B. Arrhythmia • C. Bradycardia • D. Tachycardia • E. Nodal Block Feedback: Good work; your answer is correct! Question 8 of 10 10.0 / 10.0 Points Which of the following does not play a role in blood pressure? • A. Blood volume • B. Blood vessel diameter • C. Cardiac output • D. Peripheral resistance • E. All of the above play a role in blood pressure. Feedback: Good work; your answer is correct! Question 9 of 10 10.0 / 10.0 Points The pulmonary arteries carry blood to the . • A. Lungs • B. Aorta • C. Ventricles • D. Systemic system • E. Heart Feedback: Good work; your answer is correct! Question 10 of 10 10.0 / 10.0 Points The exchange of substances between the blood vessels and the surrounding tissues can only happen in the . • A. Arterioles • B. Venules • C. Arteries • D. Veins • E. Capillaries Feedback: Good work; your answer is correct! Show Less