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1. Standard atmospheric pressure is ______mm Hg.
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2. Which type of breathing is characterized by repeated sequences of deep gasps and apnea, and is usually seen in people with increased intracranial pressure?
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Week 12

Physiology chapter 36 respiratory

QuestionAnswer
1. Standard atmospheric pressure is ______mm Hg. 760
2. Which type of breathing is characterized by repeated sequences of deep gasps and apnea, and is usually seen in people with increased intracranial pressure? Biot's breathing
Which of the following constitutes total lung volume? residual volume and vital capacity
If the tidal volume of a given individual is 500 ml, then the anatomical dead space is approximately _____ ml. 150
The approximate partial pressure of oxygen at standard atmospheric pressure is about _____ mm Hg. 160
Normal, quiet breathing is known as: Eupnea
By the time the blood leaves the lung capillaries to return to the heart, what percentage of the blood’s hemoglobin has united with oxygen? 97%
The PCO2 in the atmosphere is: less than in the alveolar air
When the pressure in the lung is greater than atmospheric pressure: expiration occurs.
If a person were skiing high up in the mountains, she might feel that she is having trouble breathing (getting enough oxygen in her blood). This is because the: lower atmospheric pressure lowers the PO2 and the diffusion gradient between the blood and the atmosphere is less.
Which muscles are used for forced expiration? Abdominal muscles and internal intercostals
Which of the following is not a means of transporting oxygen in the blood? Combined with the bicarbonate ion (HCO3–)
About 98.5% of the oxygen carried by systemic arterial blood is attached to: hemoglobin
The vital capacity is equal to the sum of the: inspiratory reserve volume, tidal volume, and expiratory reserve volume.
The PCO2 in alveolar air is _____ blood. Less than in the systemic venous and equal to the systemic arterial
Boyle’s law states that the volume of a gas varies _____ with pressure at a _____ temperature. inversely; constant
Which of the following would have the greatest accelerating effect on the dissociation of oxygen from hemoglobin? Decreased PO2 and increased PCO2
The major form by which carbon dioxide is transported in the circulatory system is: as bicarbonate ions.
During inspiration, the expansion of the lungs causes: a decrease in alveolar pressure.
A drop in the body’s production of carbonic anhydrase would hinder the formation of: carbonic acid.
A type of breathing characterized by gradually increasing tidal volume for several breaths followed by several breaths with gradually decreasing tidal volume is: Cheyne-Stokes respiration.
The term used to describe the volume of air exchanged during normal inspiration and expiration is: tidal volume.
The symbol HbNCOOH– is used for: carbaminohemoglobin
Excessive fluid in the pleural cavity would be most likely to cause: decreased vital capacity.
Dalton law states that the partial pressure of a gas in a mixture of gases is _____ to the total pressure of the mixture. directly related to the concentration of that gas in the mixture and
Which of the following is not a regulated process associated with the functioning of the respiratory system? Control of cell metabolism rate
Vital capacity is defined as the: maximum volume of air that can be moved into and out of the lungs during forced respiration.
One hundred milliliters of arterial blood contains approximately what volume percent of oxygen? 20%
Which of the following helps determine the amount of oxygen that diffuses into the blood each minute? All of the above help determine the amount of oxygen that diffuses into the blood each minute.
Carbon dioxide is carried in three forms in the blood. Ranking them from greatest to least amount carried, the sequence would be: bicarbonate ion, carbaminohemoglobin, and dissolved in plasma.
Created by: BerettaBreeze
 

 



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