Chapter 22 - The Respiratory System

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Respiratory Anatomy

Mechanisms of Breathing

Gas Exchange

Gas Transport

Control of Respiration

FINAL ROUND

Respiratory Anatomy:

$100 Question

Air passing from the pharynx to the trachea must pass through the:

a. nasal cavity.

b. bronchi.

c. larynx.

d. diaphragm.BACK TO GAME

ANSWER

Respiratory Anatomy:

$100 Answer

Air passing from the pharynx to the trachea must pass through the:

a. nasal cavity.

b. bronchi.

c. larynx.

d. diaphragm.BACK TO GAME

Respiratory Anatomy:

$200 Question

This structure prevents food from entering the airway.

a. Vestibular fold

b. Urula

c. Laryngopharynx

d. EpiglottisBACK TO GAME

ANSWER

Respiratory Anatomy:

$200 Answer

This structure prevents food from entering the airway.

a. Vestibular fold

b. Urula

c. Laryngopharynx

d. EpiglottisBACK TO GAME

Respiratory Anatomy:

$300 Question

The membrane that adheres to the outer surface of the lungs is the:

a. respiratory membrane.

b. visceral pleura.

c. parietal pleura.

d. mucosa.BACK TO GAME

ANSWER

Respiratory Anatomy:

$300 Answer

The membrane that adheres to the outer surface of the lungs is the:

a. respiratory membrane.

b. visceral pleura.

c. parietal pleura.

d. mucosa.BACK TO GAME

Respiratory Anatomy:

$400 Question

Which of the following delivers air to the lobes of the lungs?

a. Primary bronchi

b. Secondary bronchi

c. Tertiary bronchi

d. Terminal bronchiolesBACK TO GAME

ANSWER

Respiratory Anatomy:

$400 Answer

Which of the following delivers air to the lobes of the lungs?

a. Primary bronchi

b. Secondary bronchi

c. Tertiary bronchi

d. Terminal bronchiolesBACK TO GAME

Respiratory Anatomy:

$500 Question

All of the following are part of the conduction zone except:

a. main bronchi.

b. respiratory bronchioles.

c. segmental bronchioles.

d. terminal bronchioles.BACK TO GAME

ANSWER

Respiratory Anatomy:

$500 Answer

All of the following are part of the conduction zone except:

a. main bronchi.

b. respiratory bronchioles.

c. segmental bronchioles.

d. terminal bronchioles.BACK TO GAME

Mechanisms of Breathing:

$100 Question

An increase in the volume of a container filled with air would have what effect on the pressure of the container?

a. Increase the pressure

b. Decrease the pressure

c. No effect

d. A temporary effectBACK TO GAME

ANSWER

Mechanisms of Breathing:

$100 Answer

An increase in the volume of a container filled with air would have what effect on the pressure of the container?

a. Increase the pressure

b. Decrease the pressure

c. No effect

d. A temporary effectBACK TO GAME

Mechanisms of Breathing:

$200 Question

Surfactant decreases the __________ in the alveoli.

a. surface tension

b. pressure

c. compliance

d. volumeBACK TO GAME

ANSWER

Mechanisms of Breathing:

$200 Answer

Surfactant decreases the __________ in the alveoli.

a. surface tension

b. pressure

c. compliance

d. volumeBACK TO GAME

Mechanisms of Breathing:

$300 Question

This volume of air remains in the lungs after maximal expiration.

a. Vital capacity

b. Expiratory reserve volume

c. Tidal volume

d. Residual volumeBACK TO GAME

ANSWER

Mechanisms of Breathing:

$300 Answer

This volume of air remains in the lungs after maximal expiration.

a. Vital capacity

b. Expiratory reserve volume

c. Tidal volume

d. Residual volumeBACK TO GAME

Mechanisms of Breathing:

$400 Question

All of the following statements are true of inspiration except:

a. the rib cage is elevated.

b. the diaphragm is relaxed.

c. volume in the thoracic cavity has increased.

d. intrapulmonary pressure has decreased.

BACK TO GAME

ANSWER

Mechanisms of Breathing:

$400 Answer

All of the following statements are true of inspiration except:

a. the rib cage is elevated.

b. the diaphragm is relaxed.

c. volume in the thoracic cavity has increased.

d. intrapulmonary pressure has decreased.

BACK TO GAME

Mechanisms of Breathing:

$500 Question

Which of the following is responsible for keeping the lungs from collapsing?

a. Surfactant

b. Intrapulmonary pressure

c. Transpulmonary pressure

d. Intrapleural pressureBACK TO GAME

ANSWER

Mechanisms of Breathing:

$500 Answer

Which of the following is responsible for keeping the lungs from collapsing?

a. Surfactant

b. Intrapulmonary pressure

c. Transpulmonary pressure

d. Intrapleural pressureBACK TO GAME

Gas Exchange:

$100 Question

Which of the following is the most abundant gas in our air?

a. Oxygen

b. Hydrogen

c. Nitrogen

d. ArgonBACK TO GAME

ANSWER

Gas Exchange:

$100 Answer

Which of the following is the most abundant gas in our air?

a. Oxygen

b. Hydrogen

c. Nitrogen

d. ArgonBACK TO GAME

Gas Exchange:

$200 Question

The pressure exerted by each type of gas in a gas mixture is the __________ of that gas.

a. partial force

b. partial percentage

c. partial volume

d. partial pressureBACK TO GAME

ANSWER

Gas Exchange:

$200 Answer

The pressure exerted by each type of gas in a gas mixture is the __________ of that gas.

a. partial force

b. partial percentage

c. partial volume

d. partial pressureBACK TO GAME

Gas Exchange:

$300 Question

Hyperbaric chambers are clinical applications of which gas law?

a. Boyle’s

b. Dalton’s

c. Frank-Starling

d. Henry’sBACK TO GAME

ANSWER

Gas Exchange:

$300 Answer

Hyperbaric chambers are clinical applications of which gas law?

a. Boyle’s

b. Dalton’s

c. Frank-Starling

d. Henry’sBACK TO GAME

Gas Exchange:

$400 Question

The rate of oxygen diffusion across the respiratory membrane depends upon all of the following except:

a. the thickness of the respiratory membrane.

b. partial pressure of oxygen in the alveoli.

c. partial pressure of oxygen in the blood.

d. partial pressure of carbon dioxide in the blood.

BACK TO GAME

ANSWER

Gas Exchange:

$400 Answer

The rate of oxygen diffusion across the respiratory membrane depends upon all of the following except:

a. the thickness of the respiratory membrane.

b. partial pressure of oxygen in the alveoli.

c. partial pressure of oxygen in the blood.

d. partial pressure of carbon dioxide in the blood.

BACK TO GAME

Gas Exchange:

$500 Question

Low PO2 and high PCO2 in the alveoli will cause:

a. constriction of pulmonary capillaries and bronchioles.

b. dilation of pulmonary capillaries and bronchioles.

c. constriction of pulmonary capillaries and dilation of bronchioles.

d. dilation of pulmonary capillaries and constriction of bronchioles. BACK TO GAME

ANSWER

Gas Exchange:

$500 Answer

Low PO2 and high PCO2 in the alveoli will cause:

a. constriction of pulmonary capillaries and bronchioles.

b. dilation of pulmonary capillaries and bronchioles.

c. constriction of pulmonary capillaries and dilation of bronchioles.

d. dilation of pulmonary capillaries and constriction of bronchioles. BACK TO GAME

Gas Transport:

$100 Question

The majority of carbon dioxide is transported:

a. bound to hemoglobin.

b. dissolved in the plasma.

c. as bicarbonate ions.

d. as carbonic acid.BACK TO GAME

ANSWER

Gas Transport:

$100 Answer

The majority of carbon dioxide is transported:

a. bound to hemoglobin.

b. dissolved in the plasma.

c. as bicarbonate ions.

d. as carbonic acid. BACK TO GAME

Gas Transport:

$200 Question

Hemoglobin has the highest affinity for which of the following?

a. O2

b. CO2

c. CO

d. H+

BACK TO GAME

ANSWER

Gas Transport:

$200 Answer

Hemoglobin has the highest affinity for which of the following?

a. O2

b. CO2

c. CO

d. H+

BACK TO GAME

Gas Transport:

$300 Question

In the tissues, hemoglobin will release some oxygen and bind to:

a. carbonic acid.

b. hydrogen ions.

c. chloride ions.

d. bicarbonate ions.BACK TO GAME

ANSWER

Gas Transport:

$300 Answer

In the tissues, hemoglobin will release some oxygen and bind to:

a. carbonic acid.

b. hydrogen ions.

c. chloride ions.

d. bicarbonate ions.BACK TO GAME

Gas Transport:

$400 Question

The chloride shift refers to:

a. chloride ions binding to hemoglobin.

b. chloride ions moving into or out of the red blood cell.

c. chloride ions combining with bicarbonate ions.

d. chloride ions being released from hemoglobin.

BACK TO GAME

ANSWER

Gas Transport:

$400 Answer

The chloride shift refers to:

a. chloride ions binding to hemoglobin.

b. chloride ions moving into or out of the red blood cell.

c. chloride ions combining with bicarbonate ions.

d. chloride ions being released from hemoglobin.

BACK TO GAME

Gas Transport:

$500 Question

Which of the following will increase hemoglobin’s affinity for oxygen?

a. A decrease in pH

b. An increase in PCO2

c. An increase in temperature

d. The presence of some O2

already bound to the hemoglobin

BACK TO GAME

ANSWER

Gas Transport:

$500 Answer

Which of the following will increase hemoglobin’s affinity for oxygen?

a. A decrease in pH

b. An increase in PCO2

c. An increase in temperature

d. The presence of some O2

already bound to the hemoglobin

BACK TO GAME

Control of Respiration:

$100 Question

Normal quiet respiration is controlled by the:

a. dorsal respiratory group.

b. ventral respiratory group.

c. pontine respiratory group.

d. cerebral cortex.BACK TO GAME

ANSWER

Control of Respiration:

$100 Answer

Normal quiet respiration is controlled by the:

a. dorsal respiratory group.

b. ventral respiratory group.

c. pontine respiratory group.

d. cerebral cortex.BACK TO GAME

Control of Respiration:

$200 Question

A decrease in pH will have what effect on the respiration rate?

a. Decrease

b. Increase

c. No effect

d. No effect unless lung damage is present

BACK TO GAME

ANSWER

Control of Respiration:

$200 Answer

A decrease in pH will have what effect on the respiration rate?

a. Decrease

b. Increase

c. No effect

d. No effect unless lung damage is present

BACK TO GAME

Control of Respiration:

$300 Question

The inflation reflex depends upon stimulation of which type of receptor?

a. Nociceptors

b. Chemoreceptors

c. Mechanoreceptors

d. ThermoreceptorsBACK TO GAME

ANSWER

Control of Respiration:

$300 Answer

The inflation reflex depends upon stimulation of which type of receptor?

a. Nociceptors

b. Chemoreceptors

c. Mechanoreceptors

d. ThermoreceptorsBACK TO GAME

Control of Respiration:

$400 Question

Apneustic breathing occurs as a result of damage to which respiratory center?

a. Dorsal respiratory group

b. Ventral respiratory group

c. Pontine respiratory group

d. Eupnea respiratory groupBACK TO GAME

ANSWER

Control of Respiration:

$400 Answer

Apneustic breathing occurs as a result of damage to which respiratory center?

a. Dorsal respiratory group

b. Ventral respiratory group

c. Pontine respiratory group

d. Eupnea respiratory groupBACK TO GAME

Control of Respiration:

$500 Question

Which of the following has the greatest effect on respiration rate?

a. PO2

b. PCO2

c. PN2

d. Both a and b have an equal effect

BACK TO GAME

ANSWER

Control of Respiration:

$500 Answer

Which of the following has the greatest effect on respiration rate?

a. PO2

b. PCO2

c. PN2

d. Both a and b have an equal effect

BACK TO GAME

FINAL ROUND Question

When holding our breath for a long time we get the urge to breathe due to:

a. a decrease in N2.

b. a decrease in O2.

c. an increase in CO2.

d. an increase in pH.BACK TO GAME

ANSWER

FINAL ROUND Answer

When holding our breath for a long time we get the urge to breathe due to:

a. a decrease in N2.

b. a decrease in O2.

c. an increase in CO2.

d. an increase in pH.BACK TO GAME