Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 53, Problem 4PL
Peripheral chemoreceptors sensitive to low blood oxygen levels are located in the
a. heart.
b. aortic arch and carotid arteries.
c. aorta only.
d. carotid arteries only.
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Students have asked these similar questions
Which of the following are true?
A. Peripheral Chemo receptors for O2 in H+ ions are found in the carotid and aortic bodies.
B. Peripheral chemoreceptors for O2 and H+ ions are found only in the carotid body.
C. Peripheral chemoreceptors for O2 and H+ ions are found only in the aortic body.
D. O2 and CO2 are monitored in the medulla
Choose the correct answer
Ventilation in the capillaries is matched to perfusion. This means that
a. blood pressure from capillaries must match the pressure from the arterioles
b. gas pressure in the alveolar must match the pressure in the bronchioles
c. ventilation is never profuse enough
d. ventilation in the alveolar must match the blood flow passing over those alveiolar
Chemoreceptors sensitive to blood carbon dioxide levels are primarily located in the
Select one:
a. right atrium.
b. left ventricle.
c. medulla oblongata.
d. carotid arteries.
e. jugular veins.
Chapter 53 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 53 - Prob. 1PLCh. 53 - Prob. 2PLCh. 53 - Which of the following muscles is not involved in...Ch. 53 - Peripheral chemoreceptors sensitive to low blood...Ch. 53 - Prob. 5PLCh. 53 - Inhaled dust and pollutants stimulate ________ to...Ch. 53 - An increase in the duration of inspirations is the...Ch. 53 - The ventral respiratory group of the brainstem...Ch. 53 - The respiratory centers are widely scattered...Ch. 53 - The _________________________ respiratory group...
Ch. 53 - The __________________________ respiratory group...Ch. 53 - Central chemoreceptors are sensitive to changes in...Ch. 53 - As the blood concentration of carbon dioxide...Ch. 53 - As a result of increased breathing, the blood...Ch. 53 - Peripheral chemoreceptors include aortic bodies...Ch. 53 - Prob. 1.8ACh. 53 - The principal muscles of inspiration are the...Ch. 53 - Briefly explain the reason for the changes in...Ch. 53 - Complete the following: a. Why is it important to...Ch. 53 - Use the following carbonic acid-bicarbonate buffer...Ch. 53 - Why is it dangerous for a swimmer to...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is NOT a function of the pleurae and pleural fluid? A. decreasing friction within the pleural space B. compartmentalizing the thorax and preventing infections from spreading to the heart C. assisting with the development of an intra-pleural pressure that leads to inspiration D. removing dust and inhaled debris from the airwaysarrow_forwardIf Mr. Smith is suffering from pulmonary hypertension. Which of the following receptors would be stimulates in an attempt by his body to maintain a normal homeostasis state? A. J receptors B. Central Chemoreceptors C. Peripheral chemoreceptors D. Stretch receptorsarrow_forwardThe source of pulmonary surfactant is:- a. the visceral pleura. b. bronchial glands. c. alveolar capillaries. d. squamous alveolar cells. e. great alveolar cellsarrow_forward
- A respiratory chemoreceptor is a sensory receptor that transduces achemical signal into an action potential. Which of the following is FALSEabout the respiratory chemoreceptors? Explain the answer. a. The central chemoreceptor is located at the primary respiratory control in the brain.b. The peripheral chemoreceptors are at the lower airways of the respiratory zone.c. Central chemoreceptors are sensitive to increased carbon dioxide.d. Peripheral chemoreceptors are sensitive to decreased oxygen levels.arrow_forwardA rapid and shallow ventilatory pattern is calledA. hyperpnea.B. apnea.C. alveolar hyperventilation.D. tachypneaarrow_forwardWhich of the following is where gas exchange occurs? A. alveoli B. trachea C. intercostal muscles D. diaphragm.arrow_forward
- Which of the following statements are true of the alveoli and pulmonary capillaries? (Read carefully and select all of the correct statements.) A. Blood coming into the pulmonary capillaries is low in O2 and high in CO2. B. The alveolar walls are one cell in thickness.C. The total alveoli provide a large surface area for gas exchange.D. The pulmonary capillaries are made of simple squamous epithelium. E. Blood leaving the pulmonary capillaries will return to the left atrium of the heart.arrow_forwardWhich part of the airway has the greatest amount of smooth muscle? A. Trachea B. Primary bronchi C. Alveoli D. Bronchioles E. Alveolar ductsarrow_forwardDuring acute epiglottitis, the epiglottis swells to several times its normal size. This would interfere directly with: a. internal respiration b. external respiration c. breathing d. gas exchange in the alveoliarrow_forward
- The functions of C-shaped tracheal cartilages are to prevent collapse or over-expansion of the airway and to allow expansion of the _____ a. larynx b. esophagus c. vocal cords d. stomacharrow_forwardWhich of the following is true?a. Peripheral chemoreceptors increase firing with low arterial PO2 but are not sensitive to an increase in arterial PCO2.b. The primary stimulus to the central chemoreceptors is low arterial PO2.c. Peripheral chemoreceptors increase firing during a metabolic alkalosis.d. The increase in ventilation during exercise is due to a decrease in arterial PO2.e. Peripheral and central chemoreceptors both increase firing when arterial PCO2 increases.arrow_forwardWhile auscultating the lungs of an adult patient, soft low-pitched breath sounds are heard over the posterior lower lobes. Inspiration is longer than expiration. The health care provider interprets this assessment data as a. Bronchovesicular sounds usually heard b. Mixed bronchial and bronchovesicular sounds c. Bronchial breath sounds normally heard in this location d. Vesicular breath sounds normally heard in this locationarrow_forward
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