Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 39, Problem 2VCQ
Figure 39.13 Which of the following statements is false?
In the tissues,
- increases.
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Students have asked these similar questions
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.
In carbon monoxide (CO) poisoning, CO binds to the heme of hemoglobin much tighter than oxygen (O2). What effect will this have on the ability of the tissues to get oxygen?
Group of answer choices
There will be no effect.
CO will deliver oxygen to the tissues.
Hemoglobin will bind more O2 and deliver more oxygen to the tissues.
More hemoglobin will be produced to deliver oxygen to the tissues.
Hemoglobin will bind less O2 and deliver less oxygen to the tissues.
Which of the following explain the effect on the body if a patient has a low level of oxygen in their arterial blood?
1 cardiac output increases
2 The patient will breathe in a larger volume of air each minute
3 The pulmonary artery will dilate
4 The patient will experience feelings of restlessness and headaches
1, 2, 3 and 4 are correct
1, 2, and 4 are correct
Chapter 39 Solutions
Biology 2e
Ch. 39 - Figure 39.7 Which of the following statements...Ch. 39 - Figure 39.13 Which of the following statements is...Ch. 39 - Figure 39.20 The kidneys are responsible for...Ch. 39 - The respiratory system. provides body tissues with...Ch. 39 - Air is warmed and humidified in the nasal...Ch. 39 - Which is the order of airflow during inhalation?...Ch. 39 - The inspiratory reserve volume measures the...Ch. 39 - Of the following, which does not explain why the...Ch. 39 - The total lung capacity is calculated using which...Ch. 39 - How would paralysis of the diaphragm alter...
Ch. 39 - Restrictive airway diseases. increase the...Ch. 39 - Alveolar ventilation remains constant when...Ch. 39 - Which of the following will NOT facilitate the...Ch. 39 - The majority of carbon dioxide in the blood is...Ch. 39 - The majority of oxygen in the blood is transported...Ch. 39 - Describe the function of these terms and describe...Ch. 39 - How does the structure of alveoli maximize gas...Ch. 39 - What does FEV1/FVC measure? What factors may...Ch. 39 - What is the reason for having residual volume in...Ch. 39 - How can a decrease in the percent of oxygen in the...Ch. 39 - If a patient has increased resistance in his or...Ch. 39 - How would increased airway resistance affect...Ch. 39 - Explain how a puncture to the thoracic cavity...Ch. 39 - When someone is standing, gravity stretches the...Ch. 39 - What would happen if no carbonic anhydrase were...Ch. 39 - How does the administration of 100 percent oxygen...
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- Breathing _______. a. ventilates the lungs b. draws air into airways c. expels air from airways d. causes reversals in pressure gradients e. all of the abovearrow_forwardOf the following, which does not explain why the partial pressure of oxygen is lower in the lung than in the external air? Air in the lung is humidified; therefore, water vapor pressure alters the pressure Carbon dioxide mixes with oxygen Oxygen is moved into the blood and is headed to the tissues Lungs exert a pressure on the air to reduce the oxygen pressure.arrow_forwardA partial pressure gradient of oxygen exists between ________. a. air and lungs b. lungs and metabolically active tissues c. air at sea level and air at high altitudes d. all of the abovearrow_forward
- In______, gas exchange occurs at the body surface and gas is distributed by diffusion alone. a. earthworm c. frogs b. flatworms d. insectsarrow_forwardWhich of the following statements about oxygen transport is TRUE. Increases in temperature and decreases in pH cause myoglobin to release oxygen to improve delivery to the hemoglobin in muscles. A molecule of myoglobin has higher oxygen binding capacity than a molecule of hemoglobin. Myoglobin has a higher oxygen affinity than does hemoglobin. Fetal hemoglobin has a lower affinity for oxygen than maternal hemoglobin, which makes it better suited to extract oxygen from the maternal circulation.arrow_forwardActivity 10 Pathway of a Glucose Molecule as it Travels Through the Human Body STEP COLOUR ORDER 1-26 (1 is entry into the body and 25 is used in the Cell) Pink for the respiratory system Blue for the circulatory system Green for the digestive system Enters Lungs Enters stomach CO2 and H2O are exhaled during respiration Enters left atrium Enters aorta Enters left ventricle Used by the cell in the process of cellular respiration to produce ATP CO2 and H2O enter into the alveoli of the lungs returns to the heart via the inferior vena cava absorbed by a villus lining the small intestine transported to the liver passes through pharynx returns to heart via pulmonary vein the waste products of cellular respiration leave the mitochondria and enter the cytoplasm of the cell ✓ where active transport occur. ★where passive transport occursarrow_forward
- Which of the following statements best describes the function of the pulmonary arteries or veins? Pulmonary arteries carry deoxygenated blood from the right ventricle of the heart to the lungs. Pulmonary arteries carry deoxygenated blood to the right atrium of the heart from the lungs. Pulmonary veins carry deoxygenated blood from the lungs to the left atrium of the heart. Pulmonary veins carry oxygenated blood from the lungs to the right atrium of the heart.arrow_forwardRespiratory System Air is drawn into the lungs Air pressure in the chest cavity decreases Lungs expand The diaphragm contracts and flattens Circulatory System Blood is pumped by the right atrium pool passes through the pulmonary artery Blood enters the heart through the vena cava Blood passes through pulmonary veins Blood enters the right ventricle 12arrow_forwardDeoxygenated/High CO₂ blood is carried to the heart by. and pushes the blood through the E valve into the Gvalve into the H which branches into the right and left In the lungs, the CO2 is exchanged for O₂. The highly oxygenated (low Carbon dioxide) blood returns to the heart in the right and left J. These vessels enter the K which contracts and pushes the blood through the valve. Blood enters the thick-walled M which contracts, forcing the blood through the N valve and out through the O to the BODY. The first branch off the aorta is the P which carries oxygenated blood to the myocardium. The Q returns the blood from the myocardium to the right atrium. The branches off of the aortic arch include: the R which supplies blood to the right head, neck and upper extremity; the Swhich supplies blood to the left head and neck; and the __________ which supplies blood to the left upper extremity. A. B. C. D. E. F. G. A, B, C. The blood enters the D. The atrium contracts F. When the right…arrow_forward
- After your exercise routine at the gym, you sit with friends drinking a glass of water to cool off. Select a single word from list and place into each blank to make it correct. Not all terms will be used. 40 mmHg right increases As you cool off, metabolism at the skeletal muscles decreases, and the oxygen saturation curve shifts affinity for oxygen because hemoglobin's . Under these conditions, hemoglobin 20% is likely to release oxygen. decreases At the same time, the partial pressure of oxygen at the systemic capillaries changes from about to less Carbon dioxide released from the skeletal muscle cells during vigorous exercise can make the blood slightly more acidic. This results in hemoglobin having a affinity. left oxygen saturation or oxygen higher 40% 20 mmHg lower morearrow_forwardWhich of these factors in active tissue does not lead to greater release of O₂ from hemoglobin? elevated temperature O increased acidity O All of the other choices lead to increased release of oxygen O elevated carbon dioxide In anemia, the blood has low levels of hemoglobin and carries less oxygen (this is TRUE). Question: Does anemic blood have reduced PO2 compared with the PO2 of blood with normal hemoglobin levels? O Yes O Noarrow_forwardWhich of the following is an example of the respiratory and circulatory systems working together? The blood flows through the kidneys, and waste products are removed. The lungs take in air, and the blood carries oxygen to the body's cells. O The diaphragm flexes, and the lungs take in air. OThese two systems do not work together.arrow_forward
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