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Goodcare Bio C16Resp

Goodcare LPN 2018 Chapter 16 Bio

QuestionAnswer
Respiration is the chemical event that occurs at the cellular level. True or False True
External exchange in respiration involves which circulatory system? Pulmonary Circuit
Internal exchange in respiration involves which circulatory system? Systemic Circuit
In ventilation, involvement of the air sacs (alveoli) is involved in which exchange, internal or external? External exchange
The Nasal Cavities The Pharynx The Larynx The Trachea The Bronchi The Lungs The Bronchioles The Alveoli The sequence of the structures in Respiratory Circulation
Outer layer of the lung Parietal Pleura
Inner layer of the lung Visceral pleura
One of two fissures that divides the inferior and superior aspects of the right lung. (also called the major fissures or greater fissures) Oblique fissure
The _______ lung has both more lobes and segments and is divided into three lobes, an upper, middle, and a lower segment Right lung.
The upper fissure that separates the upper from the middle lobe. Horizontal fissure,
In this phase of pulmonary ventilation, the diaphragm presses the abdominal organs DOWNWARD and FORWARD. Inhalation
Intercostals active only in Exhalation Exhalation intercostals
The diaphragm rises and recoils to a resting position during this phase of pulmonary ventilation Exhalation
How does the body get the oxygen it needs as conditions change? Thru stretch receptors, respiratory centers, peripheral chemo-receptors, central chemo-receptors (increase CO2), mechanoreceptors and the hypothalamus.
The diaphragm contracts (becoming flat) while the intercostal (rib) muscles expand the thorax during this phase of respiration. Inhalation
Gas exchange occurs in these structures alveoli.
A full vacuum is created within the lungs. True or false. False, a partial vacuum is created.
Reduced pressure within the lungs allows air from the atmosphere to enter and fill the lungs during what respiratory phase. Inhalation
During ______________The diaphragm relaxes as intercostal muscles that were contracted relax and others contract, causing the thoracic volume to diminish. Exhalation
Pressure in the lungs increases during this respiratory phase. Exhalation.
Air is expelled back through bronchi, trachea, etc to exit the body during this phase of respiraton. Expiration
The real purpose of the Respiratory System is Gas Exchange. T or F True
In which circuit does blood rich in oxygen travels to the cells of the body to deliver it and pick up carbon dioxide which it carries away. the systemic circuit,
In which circuit does blood mostly depleted of oxygen but full of carbon dioxide goes to the lungs where carbon dioxide is released and oxygen is replenished. The pulmonary circuit
Hemoglobin in system arteries is 97% saturated with oxygen, while venous blood is at 27%. T or F True
Atmospheric air contains about 21% Oxygen, but when exhaled it contains about 18%. T or F True
Carbon dioxide in the atmosphere is well under 1%, but exhaled air contains about what percentage of CO2 ? 3%.
carried primarily by hemoglobin in the red blood cells Oxygen
Mainly transported as bicarbonate ion dissolved in the blood plasma Carbon Dioxide
Although it seems that the body should monitor the level of oxygen in the blood to “know” when to breathe, it is actually the carbon dioxide level rising that gives this cue! True or False True
abnormally rapid breathing Tachypnea
increased depth and rate of breathing. Hyperpnea
abnormally slow or shallow breathing. Hypopnea
temporary cessation of breathing, especially during sleep. Apnea
a condition in which you start to breathe very fast Hyperventilation
also known as hypocarbia, sometimes incorrectly called acapnia, is a state of reduced carbon dioxide in the blood. Hypocapnea
breathing at an abnormally slow rate, resulting in an increased amount of carbon dioxide in the blood. Hypoventilation
deficiency in the amount of oxygen reaching the tissues. Hypoxia
an abnormally low concentration of oxygen in the blood. Hypoxemia
Loss of elasticity of the parts and loss of muscular strength and Weakening of the natural defenses of the lungs against infection The primary symptoms of Aging in the Respiratory System
Created by: TutorDavis17