Homework Answers
Why do need skeletel muscle pump to help get blood back to the heart
D. We need extra boost to get blood past the valves in the veins
Question no 16.
No statements are false in this question
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Why do we need the "skeletal muscle pump" to help get blood back to the heart?...
18. Which of the following do not aid venous blood return to the heart. A. muscle...
18. Which of the following do not aid venous blood return to the heart. A. muscle contraction (muscle milking) B. breathing (changes in thoracic cavity pressure) C. dilated arteries D. thinner walls of veins E. one way valves found in veins. For questions 19 - 29 use the following key to match the statements given. Key choices may be used once, more than once, or not at all. Key: A. Moderate to very low oxygenated blood B. High Oxygenated blood...
11. Which of the following about human red blood cells is false:
11. Which of the following about human red blood cells is false: a. They are generated by stem cells in bone marrow.b. They lack nuclei when mature.c. They tend to rupture as they get older and less flexible.d. Erythropoietin controls their production.C. Their biconcave shape yields a small surface area.12. A child falls off his bicycle and skins his knee. All the following processes are involved in the formation of the blood clot that seals the wound excepta. formation of a...
26. The velocity of blood flow is in direct proportion to the total cross-sectional area of...
26. The velocity of blood flow is in direct proportion to the total cross-sectional area of the blood vessels b, slower in the arteries than in capillaries because arteries relatively large diameter slower in the veins than in the capillaries because veins diameter slowest in the capillaries b c. have a large d. ecause the total cross-sectional area is the 27. Which of these is NOT a function of lymph nodes a. house B-lymphocytes b. filter lymph d. produce lymphocytes...
I need answer to all the questions please make sure they are correct before you respond...
I need answer to all the questions please make sure they are
correct before you respond . Thanks
Name: 5. Blood Vessels 1. The walls of the large blood vessels are composed ofthree layers: 2, The of arteries and veins is under the control of the autonomic nervous system and is involved in both vasoconstriction and of blood vessels. 3. Arteries carry blood from the to the All arteries carry oxygenated blood except the trunk and its branches. All veins...
Need help on this The Food Guide Pyramid provides information about the kinds of vitamins and...
Need help on this
The Food Guide Pyramid provides information about the kinds of vitamins and minerals in foods places all foods into five general groups allows you to count calories to lose weight. None of the choices is correct Most of the oxygen carried by the blood is dissolved in the plasma. bound to hemoglobin molecules. present is tiny bubbles in the Mood. part of sugar molecules The normal flow of Mood through the heart is right atrium right...
QUESTION 12 Local control of arteriolar resistance leads to an increase in blood flow to a...
QUESTION 12 Local control of arteriolar resistance leads to an increase in blood flow to a tissue when oxygen level increases. H+ level decreases. carbon dioxide level increases. pH increases. 2 points (Extra Credit) QUESTION 13 Which of the following is/are correct for arteries but NOT veins? carry low-oxygen blood act as a volume reservoir have low blood pressure store pressure generated by the heart 2 points QUESTION 14 Mean arterial pressure is determined by total blood volume....
ID: A 3. Which of the following could potentially cause vasoconstriction (constriction of blood vessels)? a....
ID: A 3. Which of the following could potentially cause vasoconstriction (constriction of blood vessels)? a. lying down after standing b. sweating when exercising o stress d. increased blood pressure e. allergic reactions 6. Organisms in which a circulating body fluid is distinct from the fluid that directly surrounds the body's cells are likely to have which of the following? a. an open circulatory system b. a closed circulatory system c. a gastrovascular cavity d. branched tracheae e. hemolymph 7....
46 An electrocardiogram (ECG) provides information about B) the rhythm of heart contractions D) the speed...
46 An electrocardiogram (ECG) provides information about B) the rhythm of heart contractions D) the speed of blood flow through the blood vessels A) the pressure of blood in the heart chambers C) the amount of oxvgen in the blood as it leaves the heart 47 The velocity of blood flow is the lowest in capillaries because A) the capillaries have internal valves that slow the flow of blood B) the diastolic blood pressure is too low to deliver blood...
QUESTION 1 Vasovagal syncope is one of the most common causes of fainting and occurs in...
QUESTION 1 Vasovagal syncope is one of the most common causes of fainting and occurs in some individuals when they see blood or a needle. Which of the following physiological responses occurs? reduced cerebral blood flow decreased blood pressure decreased heart rate All the alternatives 2 points QUESTION 2 Calculate mean arterial pressure (MAP) if a person has a blood pressure reading of 107/72. 96 mm Hg 76 mm Hg 119 mm Hg 84 mm Hg 2 points ...
questions number 1,2,3,4,5,6,7,8,9,10,11 Chapter 22: The Cardiovascular System: Vessels and Circulation Name: Date: Section: POST-LABORATORY WORKSHEET...
questions number 1,2,3,4,5,6,7,8,9,10,11
Chapter 22: The Cardiovascular System: Vessels and Circulation Name: Date: Section: POST-LABORATORY WORKSHEET The 1 corresponds to the Learning Objectivels) listed in the chapter opener outline, Do You Know the Basics? Exercise 22.1: Blood Vessel Wall Structure 1. The tunic in blood vessels that is composed of simple squamous epithelium for endothelium) and a subendothelial layer composed of areolar com tissue is known as the tunica _linterna/externa). O 2 Exercise 22.2: Elastic Artery -The Aorta 2. Which...
18. Which of the following do not aid venous blood return to the heart. A. muscle contraction (muscle milking) B. breathing (changes in thoracic cavity pressure) C. dilated arteries D. thinner walls of veins E. one way valves found in veins. For questions 19 - 29 use the following key to match the statements given. Key choices may be used once, more than once, or not at all. Key: A. Moderate to very low oxygenated blood B. High Oxygenated blood...
11. Which of the following about human red blood cells is false: a. They are generated by stem cells in bone marrow.b. They lack nuclei when mature.c. They tend to rupture as they get older and less flexible.d. Erythropoietin controls their production.C. Their biconcave shape yields a small surface area.12. A child falls off his bicycle and skins his knee. All the following processes are involved in the formation of the blood clot that seals the wound excepta. formation of a...
26. The velocity of blood flow is in direct proportion to the total cross-sectional area of the blood vessels b, slower in the arteries than in capillaries because arteries relatively large diameter slower in the veins than in the capillaries because veins diameter slowest in the capillaries b c. have a large d. ecause the total cross-sectional area is the 27. Which of these is NOT a function of lymph nodes a. house B-lymphocytes b. filter lymph d. produce lymphocytes...
I need answer to all the questions please make sure they are
correct before you respond . Thanks
Name: 5. Blood Vessels 1. The walls of the large blood vessels are composed ofthree layers: 2, The of arteries and veins is under the control of the autonomic nervous system and is involved in both vasoconstriction and of blood vessels. 3. Arteries carry blood from the to the All arteries carry oxygenated blood except the trunk and its branches. All veins...
Need help on this
The Food Guide Pyramid provides information about the kinds of vitamins and minerals in foods places all foods into five general groups allows you to count calories to lose weight. None of the choices is correct Most of the oxygen carried by the blood is dissolved in the plasma. bound to hemoglobin molecules. present is tiny bubbles in the Mood. part of sugar molecules The normal flow of Mood through the heart is right atrium right...
ID: A 3. Which of the following could potentially cause vasoconstriction (constriction of blood vessels)? a. lying down after standing b. sweating when exercising o stress d. increased blood pressure e. allergic reactions 6. Organisms in which a circulating body fluid is distinct from the fluid that directly surrounds the body's cells are likely to have which of the following? a. an open circulatory system b. a closed circulatory system c. a gastrovascular cavity d. branched tracheae e. hemolymph 7....
46 An electrocardiogram (ECG) provides information about B) the rhythm of heart contractions D) the speed of blood flow through the blood vessels A) the pressure of blood in the heart chambers C) the amount of oxvgen in the blood as it leaves the heart 47 The velocity of blood flow is the lowest in capillaries because A) the capillaries have internal valves that slow the flow of blood B) the diastolic blood pressure is too low to deliver blood...
questions number 1,2,3,4,5,6,7,8,9,10,11
Chapter 22: The Cardiovascular System: Vessels and Circulation Name: Date: Section: POST-LABORATORY WORKSHEET The 1 corresponds to the Learning Objectivels) listed in the chapter opener outline, Do You Know the Basics? Exercise 22.1: Blood Vessel Wall Structure 1. The tunic in blood vessels that is composed of simple squamous epithelium for endothelium) and a subendothelial layer composed of areolar com tissue is known as the tunica _linterna/externa). O 2 Exercise 22.2: Elastic Artery -The Aorta 2. Which...
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