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Chapter 14 HW ??
Chapter 14 Respiratory System Homework Questions
| Question | Answer |
|---|---|
| The inhaled air enters each lung lobe through a: | lobar bronchus |
| During systemic gas exchange, CO2 __________ from the ______________ to the ______________. | diffuses, interstitial fluid, blood |
| Forceful expiration involves the contraction of ______________________________________________. | internal intercostal and abdominal muscles |
| The tidal volume is the volume of air__________________________. | inhaled during a quiet inspiration. |
| The auditory tubes _________________________ | helps equalize the air pressure on each side of the tympanic membrane. |
| The pitch of a sound is determined by the vibration of _____________ | frequency of vocal folds |
| The__________________ is the volume of air remaining in the lungs after a maximum forceful expiration. | residual volume |
| Most of the CO2 in the blood is transported as ___________________ | bicarbonate ions. |
| The inspiratory reserve volume is the volume of air that _________________________________. | can be forcefully inhaled after a tidal volume inspiration. |
| The rate and depth of breathing are affected by the following factors except _____________________________________ | an increase in blood CA2+ concentration. |
| _________________________ and the smaller air passageways are not lined with ciliated mucosae and cannot effectively remove inhaled particles. | The bronchiles |
| The part of the respiratory system with the largest internal surface area is the __________________. | aveoli |
| The ______________ is the maximum volume of air that can be forcefully exhaled after a maximum forceful inspiration. | vial capacity |
| The respiratory centers are located in the ______________________. | pons and medulla oblongata, |
| Forceful inspiration involves the contraction o f _________________. | neck and chest muscles. |
| The exchange of oxygen and CO between air in alveoli and blood in capillaries occurs by ___________________. | diffusion |
| Chemoreceptors in the medulla oblongata are NOT sensitive to __________________. | oxygen |
| Carbonic anhydrose catalyzes the reaction of CO and water to form ______________. | carbonic acid |
| Most of the O2 in the blood is transported as ________________________________. | oxyhemoglobin |
| The epiglottis ____________________________. | prevents food and liquid from entering the larynx. |
Created by:
mkmartindale