Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 16, Problem 18RA
The hypoxic ventilatory response occurs when low arterial
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The hypoxic ventilatory response occurs when low arterial PO2 stimulates thea. aortic bodies.b. carotid bodies.c. central chemoreceptors.d. all of these.
During exercise, venous return is enhanced by:
A. the operation of carotid arterial and femoral arterial valves.
B. the operation of the respiratory muscle/ventilation pump.
C. skeletal muscle pump operation
D. Answers B and C are correct.
The peripheral chemoreceptors that respond to oxygen levels of the blood and regulate heart activity are located in
Select one:
a. structures near the carotids and aortic arch.
b. the infundibulum of the hypothalamus.
c. the left ventricle.
d. the right ventricle.
e. the medulla oblongata.
Chapter 16 Solutions
Human Physiology
Ch. 16 - Describe the structures involved in gas exchange...Ch. 16 - Prob. 1bCPCh. 16 - Describe how each lung is compartmentalized by the...Ch. 16 - Describe the changes in the intrapulmonary and...Ch. 16 - Explain how the compliance and elasticity of the...Ch. 16 - Describe pulmonary surfactant and discuss its...Ch. 16 - Describe the actions of the diaphragm and external...Ch. 16 - Explain how forced inspiration and forced...Ch. 16 - Define the terms tidal volume and vital capacity....Ch. 16 - How are the vital capacity and the forced...
Ch. 16 - Explain how the of air is calculated and how this...Ch. 16 - Explain how blood measurements are taken, and...Ch. 16 - Explain how the arterial and the oxygen content...Ch. 16 - Describe the ventilation/perfusion ratios of the...Ch. 16 - Explain how decompression sickness is produced in...Ch. 16 - Describe the roles of centers in the brain stem...Ch. 16 - Describe the effects of voluntary hyperventilation...Ch. 16 - Using a flowchart to show a negative feedback...Ch. 16 - Prob. 10bCPCh. 16 - Prob. 10cCPCh. 16 - Use a graph to illustrate the effects of Po2 on...Ch. 16 - Draw an oxyhemoglobin dissociation curve and label...Ch. 16 - Prob. 12aCPCh. 16 - Prob. 12bCPCh. 16 - List the ways in which carbon dioxide is carried...Ch. 16 - Where in the body does the chloride shift occur?...Ch. 16 - Where in the body does a reverse chloride shift...Ch. 16 - Using equations, show how carbonic acid and...Ch. 16 - Prob. 15aCPCh. 16 - Prob. 15bCPCh. 16 - Prob. 15cCPCh. 16 - Prob. 15dCPCh. 16 - Explain why a person with ketoacidosis...Ch. 16 - Prob. 16aCPCh. 16 - Explain why endurance-trained athletes have a...Ch. 16 - Prob. 17CPCh. 16 - Prob. 1RACh. 16 - Prob. 2RACh. 16 - The maximum amount of air that can be expired...Ch. 16 - Prob. 4RACh. 16 - Prob. 5RACh. 16 - Which of these would be most affected by a...Ch. 16 - Prob. 7RACh. 16 - Prob. 8RACh. 16 - The affinity of hemoglobin for oxygen is decreased...Ch. 16 - Prob. 10RACh. 16 - The bicarbonate concentration or the blood would...Ch. 16 - Prob. 12RACh. 16 - Prob. 13RACh. 16 - Which of these occur(s) during hypoxemia?...Ch. 16 - During exercise, which of these statements is...Ch. 16 - All of the following can bond with hemoglobin...Ch. 16 - Prob. 17RACh. 16 - The hypoxic ventilatory response occurs when low...Ch. 16 - Using a flow diagram to show cause and effect,...Ch. 16 - Radiographic (x-ray) pictures show that the rib...Ch. 16 - Explain, using a flowchart, how a rise in blood ...Ch. 16 - Explain why a person with ketoacidosis may...Ch. 16 - Prob. 23RACh. 16 - Explain how measurements of blood Pco2,...Ch. 16 - Describe the changes in ventilation that occur...Ch. 16 - Prob. 26RACh. 16 - Describe how ventilation changes when a person...Ch. 16 - Explain the physiological changes in the blood's...Ch. 16 - Compare asthma and emphysema in terms of their...Ch. 16 - Explain the mechanisms involved in quiet...Ch. 16 - Describe the formation, composition, and function...Ch. 16 - Prob. 32RACh. 16 - The nature of the sounds produced by percussion...Ch. 16 - Explain why the fast breath of a healthy neonate...Ch. 16 - Prob. 35RACh. 16 - Carbon monoxide poisoning from smoke inhalation...Ch. 16 - Prob. 37RACh. 16 - Explain how a subatmospheric intrapleural pressure...Ch. 16 - Prob. 39RACh. 16 - You cannot affect the oxygen delivery to your...Ch. 16 - Refer to figure 16.19 and calculate the Po2 of the...Ch. 16 - Refer to figure 16.19 and calculate the of the...Ch. 16 - Refer to figure 16.19 and calculate the Po2 of the...Ch. 16 - Use figure 16.34 to answer the following...Ch. 16 - Prob. 45RACh. 16 - Use figure 16.34 to answer the following...Ch. 16 - Prob. 47RA
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- Stimulation of the peripheral chemoreceptors can cause which of the following? 1. Tachycardia 2. Decreased left ventricular performance 3. Increased pulmonary vascular resistance 4. Systemic arterial hypertension A. 1 only B. 2 only C. 4 only D. 1, 3, and 4 onlyarrow_forwardWhich of the following is incorrect about pulmonary circulation? A. Pulmonary perfusion can increase during exercise with increasing the workload of right ventri. B.High distensiblity of pulmonary capillaries allow increase blood flow C. Pulmonary circulation operates at a low pressure of 15mm Hg on average D. None of the above is Incorrect ..arrow_forwardWhich of the following decreases perfusion of a tissue? a. decreased total blood flow b. vasodilator c. angiogenesis d. increased carbon dioxide, decreased pH (increased H+), and low O2arrow_forward
- Erythropoietin is produced by a. the kidneys. b. the liver. c. the lungs. d. the bone marrow.arrow_forwardThe immediate objective of increased venous constriction in the baroreceptor reflex is to.... a. Increase EDV b. Get oxygenated blood to the right atrium c. Decrease MAP d. Limit SV so there is no more blood loss e. Promote the release of more epinephrine and norepinephrinearrow_forwardCutaneous vasoconstriction is caused by an increase in which of the following? A. Anaerobic metabolismB. Contractility increaseC. Coronary blood flowD. Myocardial efficiency E. O2 extractionarrow_forward
- The loss of arterial elasticity with age in particular affects... a. Max heart rate b. End diastolic volume c. Systolic pressure d. Stroke volume e. Diastolic pressurearrow_forwardWhen blood pressure is suddenly decreased a small amount (10 mm Hg),which of these mechanisms are activated to restore blood pressure tonormal levels?a. chemoreceptor reflexes c. CNS ischemic responsesb. baroreceptor reflexes d. All of these are correct.arrow_forward
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