Chapter 23 Homework

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An application of Boyle's Law is at a constant temperature

As the pressure on a gas increases, the volume decreases

During inhalation, the thoracic cavity ___________; during exhalation, the thoracic cavity ___________.

Becomes larger; returns to its original size

The ranking from highest to lowest P(O2) in the area of the arterial ends of the tissue capillaries is

Capillaries, tissue fluid, cells

At the venous ends of the pulmonary capillaries the P(CO2) is

Equal in the capillaries and in the alveoli

Expiratory Reserve Volume + Residual Volume = _______ Capacity.

Functional Residual

At the arterial ends of the pulmonary capillaries the P(O2) is

Lower in the capillaries than in the alveoli

Place the respiratory structures below in the order that air would pass through them as it moves from the outside to the inside of the body.

Nasal Cavity Nasopharynx Oropharynx Laryngopharynx Larynx Trachea

Oxygen bound to hemoglobin is referred to as _______.

Oxyhemoglobin

Boyle's Law states that

P1V1 = P2V2

If P1 and V1 represent the initial conditions, and P2 and V2 represent the changed conditions for pressure and volume, Boyle's law would state

P1V1 = P2V2

Which of the following structures is not part of the respiratory zone?

Terminal bronchioles

Pulmonary ventilation (breathing) can also be described as

The movement of air into and out of the lungs

Boyle's Law states that at a constant temperature

The pressure exerted by a gas varies inversely with the volume of that gas

As the lungs expand while breathing, the pressure in the lungs decreases.

True

As the volume in the alveoli increases, the pressure decreases.

True

During inspiration, thoracic cavity volume increases.

True

Gases diffuse because of differences in partial pressures from areas of higher pressure to areas of lower pressure.

True


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