Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 40, Problem 14RQ
How do arteries differ from veins?
- Arteries have thicker smooth muscle layers to accommodate the changes in pressure from the heart
- Arteries carry blood
- Arteries have thinner smooth muscle layers and valves and move blood by the action of skeletal muscle
- Arteries are thin walled and are used for gas exchange.
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How do arteries differ from veins?
Arteries have thicker smooth muscle layers to accommodate the changes in pressure from the heart.
Arteries carry blood.
Arteries have thinner smooth muscle layers and valves and move blood by the action of skeletal muscle.
Arteries are thin walled and are used for gas exchange.
Arteries have direct connections to capillaries whereas veins do not.
skeletal muscles
The two opposing forces at work to regulate capillary exchange are
and osmotic pressure.
heart
Osmotic pressure is caused by the
of the blood, while blood pressure is caused by the beating of the
and protein content
venous
salt
At the
end of a capillary, water enters the bloodstream
being higher there.
blood pressure
due to the
osmotic pressure
In the
of a capillary, molecules, including oxygen and
midsection
carbon dioxide, follow their concentration gradients into or out of the
blood.
arterial
end of a capillary, water exits the bloodstream
being higher than the osmotic pressure
there.
At the
Reset
due to the
Which of the following is NOT true of gas, nutrient, and fluid exchange between capillaries and body tissues?
Blood pressure is higher entering than leaving the capillary
Osmotic pressure is constant across the capillary
Blood pressure is less in the capillary than in the tissuesExcess fluid from the exchange enters the lymphatic duct
Blood enters the capillary from the arteriole
Chapter 40 Solutions
Biology 2e
Ch. 40 - Figure 40.10 Which of the following statements...Ch. 40 - Figure 40.11 Which of the following statements...Ch. 40 - Figure 40.17 Varicose veins are veins that become...Ch. 40 - Why are open circulatory systems advantageous to...Ch. 40 - Some animals use diffusion instead of a...Ch. 40 - Blood flow that is directed through the lungs and...Ch. 40 - White blood cells: can be classified as...Ch. 40 - Platelet plug formation occurs at which point?...Ch. 40 - In humans, the plasma comprises what percentage of...Ch. 40 - The red blood cells of birds differ from mammalian...
Ch. 40 - The heart's internal pacemaker beats by: an...Ch. 40 - During the systolic phase of the cardiac cycle,...Ch. 40 - Card io myocytes are similar to skeletal muscle...Ch. 40 - How do arteries differ from veins? Arteries have...Ch. 40 - High blood pressure would be a result of...Ch. 40 - Describe a closed circulatory systemCh. 40 - Describe systemic circulationCh. 40 - IS. Describe the cause of different blood type...Ch. 40 - List some of the functions of blood in the body.Ch. 40 - How does the lymphatic system work with blood...Ch. 40 - Describe the cardiac cycleCh. 40 - What happens in capillaries?Ch. 40 - How does blood pressure change during heavy...
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- Figure 40.10 Which of the following statements about the circulatory system is false? Blood in the pulmonary vein is deoxygenated. Blood in the inferior vena cava is deoxygenated. Blood in the pulmonary artery is deoxygenated. Blood in the aorta is oxygenated.arrow_forwardFigure 16.10 Which of the following statements about the circulatory system is false? a. Blood in the pulmonary vein is deoxygenated. b. Blood in the inferior vena cava is deoxygenated. c. Blood in the pulmonary artery is deoxygenated. d. Blood in the aorta is oxygenated.arrow_forward_____ contraction drives blood through the systemic and pulmonary circuits; outside the heart, blood pressure is highest in the _____. a. Atrial; ventricles b. Atrial; atria c. Ventricular; arteries d. Ventricular; aortaarrow_forward
- Which of the following are most closely associated with oxygen transport? (a) red blood cells (b) platelets (c) neutrophils (d) basophils (e) lymphocytesarrow_forwardFigure 39.13 Which of the following statements is false? In the tissues, PO2 drops as blood passes from the arteries to the veins, while PCO2 increases. Blood travels from the lungs to the heart to body tissues, then back to the heart, then the lungs. Blood travels from the lungs to the heart to body tissues, then back to the lungs, then the heart. PO2 is higher in air than in the lungs.arrow_forwardWhich of the following statements IS true about arteries? Majority of the body's total volume of blood contained within them. Only one red blood cell at a time can squeeze through this type of blood vessel. Blood moves by the squeezing action of skeletal muscles. The smallest arteries are called venules. The largest blood vessel of this type is the aorta.arrow_forward
- Which of the following statement about tissue fluid is wrong A-it is the liquid that leaks from the capillary artery to the ground substance B-it is the remaining fluid after returning to the capillary vein from ground substance D- it is in the dynamic recycling status D-it is important for cell metabolism E-tissue fluid returns to the blood and lympharrow_forwardCreate a process flow that will the circulatory pathway starting from the Vena Cava.arrow_forwardWhat is the key difference between veins and arteries? O Veins carry oxygen-rich blood; arteries carry oxygen-depleted blood O Veins carry blood away from the heart; arteries carry blood towards the heart Veins carry blood towards the heart; arteries carry blood away from the heart Veins carry oxygen-depleted blood; arteries carry oxygen-rich blood None of these choices is correctarrow_forward
- Which of the following is true regarding the fatty epicardial tissue surrounding the coronary circulation? it supplies the myocytes with fatty acids to fuel ATP synthesis it may lead to blocked coronary arteries which can cause angina pectoris or heart attack it is associated with diets high in saturated fats it cushions the coronary vessels during each heart beatarrow_forwardHelparrow_forwardTrue or false Blood pressure is a product of cardiac output and resistance. Blood pressure is lowest in the vena cava The pulse is felt at the large veins Arterioles are the most important vessels in regulation blood pressure. Veins and lymph vessels have valves Only arteries have smooth muscles Veins always carry deoxygenated blood.arrow_forward
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