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Physiology Test Banks > FINAL- Respiratory System STARRED ONLY > Flashcards

FINAL- Respiratory System STARRED ONLY Flashcards

1
Q 
**The nasal cavity, pharynx, and larynx constitute the \_\_\_\_\_\_\_\_ portion of the airway.  
A) conducting  
B) exchange 
C) respiratory  
D) sinus 
E) primary
A

A) conducting

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2
Q 
**The larynx, trachea, bronchi, and bronchioles all make up the  
A) upper respiratory tract.  
B) lower respiratory tract.  
C) internal respiratory tract.  
D) alveoli of the respiratory tract.  
E) respiratory mucosa.
A

B) lower respiratory tract.

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3
Q 
**The respiratory mucosa consists of  
A) epithelium and underlying layer of areolar tissue.  
B) dense irregular connective.  
C) stratified squamous cells.  
D) fibrocartilage.  
E) All of the answers are correct
A

A) epithelium and underlying layer of areolar tissue.

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4
Q 
**The respiratory defense system is important because it  
A) helps filter the air.  
B) helps warm the air.  
C) keeps out debris.  
D) keeps out pathogens.  
E) All of the answers are correct
A

E) All of the answers are correct

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5
Q 
**Air entering the body is filtered, warmed, and humidified by the  
A) upper respiratory tract.  
B) lower respiratory tract.  
C) lungs.  
D) alveoli.  
E) bronchioles.
A

A) upper respiratory tract.

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6
Q 
**The \_\_\_\_\_\_\_\_ is shared by the respiratory and digestive systems.  
A) pharynx  
B) esophagus  
C) trachea  
D) windpipe  
E) right mainstem bronchus
A

A) pharynx

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7
Q 
**Which of the following organs is not part of the lower respiratory system?
A) oropharynx
B) trachea
C) larynx
D) bronchi
E) alveoli
A

A) oropharynx

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8
Q 
**The portion of the pharynx that receives both air and food is the  
A) nasopharynx.  
B) oropharynx.  
C) laryngopharynx.  
D) aeropharynx.  
E) internal pharynx.
A

B) oropharynx.

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9
Q 
**The common passageway shared by the respiratory and digestive systems is the  
A) larynx.  
B) glottis.  
C) vestibule.  
D) pharynx.  
E) trachea.
A

D) pharynx.

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10
Q 
**The auditory tubes open into the   
A) nasopharynx.  
B) oropharynx.  
C) laryngopharynx.  
D) larynx.  
E) nasal cavity.
A

A) nasopharynx.

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11
Q 
**The palatine tonsils lie in the walls of the  
A) nasopharynx.  
B) oropharynx.  
C) laryngopharynx.  
D) larynx.  
E) nasal cavity.
A

B) oropharynx.

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12
Q

**Which of the following is not true about the pharynx?
A) shared by the integumentary and respiratory systems
B) nasopharynx is superior
C) oropharynx connects to oral cavity
D) laryngopharynx ends at esophagus opening
E) solids, liquids, and gases pass through

A

A) shared by the integumentary and respiratory systems

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13
Q 
**Components of the upper respiratory system include all of the following, except the
A) lips.
B) nose.
C) nasal cavity.
D) pharynx.
E) paranasal sinuses.
A

A) lips.

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14
Q

**Which of the following statements about the trachea is false?
A) is lined by pseudostratified ciliated columnar epithelium
B) is reinforced with C-shaped cartilages
C) contains many mucous glands
D) alters its diameter in response to the autonomic nervous system
E) is reinforced with D-shaped cartilages

A

E) is reinforced with D-shaped cartilages

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15
Q 
**The airway that connects the larynx to the bronchial tree is the
A) trachea.  
B) bronchiole.  
C) laryngopharynx.  
D) alveolar duct.  
E) bronchus.
A

A) trachea.

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16
Q 
**The \_\_\_\_\_\_\_\_ branch from the trachea at the carina.
A) terminal bronchioles 
B) secondary bronchi  
C) tertiary bronchi  
D) primary bronchi  
E) alveolar ducts
A

D) primary bronchi

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17
Q

**The following is a list of some airways.

  1. secondary bronchus
  2. bronchioles
  3. alveolar ducts
  4. primary bronchus
  5. respiratory bronchiole
  6. alveoli
  7. terminal bronchiole
The order in which air passes through is  
A) 4, 1, 2, 7, 5, 3, 6.  
B) 4, 1, 2, 5, 7, 3, 6.  
C) 1, 4, 2, 5, 7, 3, 6.  
D) 1, 4, 2, 7, 5, 3, 6.  
E) 2, 4, 1, 7, 5, 3, 6.
A

A) 4, 1, 2, 7, 5, 3, 6.

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18
Q

**The interlobular septa divide the lungs into
A) lobes.
B) pulmonary lobules.
C) alveolar sacs.
D) vital capacity and residual volume.
E) visceral pleura and fibrous trabeculae.

A

B) pulmonary lobules.

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19
Q

**The respiratory membrane of the gas exchange surfaces consists of
A) pseudostratified ciliated columnar epithelium.
B) moist cuboidal epithelium.
C) simple squamous epithelium.
D) ciliated squamous epithelium.
E) surfactant cells.

A

C) simple squamous epithelium.

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20
Q

**Primary bronchi are to ________ as secondary bronchi are to ________.
A) extrapulmonary bronchi; intrapulmonary bronchi
B) lobar bronchi; intrapulmonary bronchi
C) intrapulmonary bronchi; lobar bronchi
D) trachea; pharynx
E) secondary bronchi; alveolar ducts

A

A) extrapulmonary bronchi; intrapulmonary bronchi

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21
Q

**Respiratory function deteriorates as a result of pneumonia because inflammation
A) causes fluids to leak into the alveoli.
B) causes respiratory bronchioles to swell and dilate.
C) causes the lungs to leak air into the thorax.
D) reduces movement of the epiglottis.
E) reduces the size of the pleural cavity

A

A) causes fluids to leak into the alveoli.

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22
Q 
**Which respiratory organ(s) has a cardiac notch?
A) right lung
B) left lung
C) right primary bronchus
D) left primary bronchus
E) both the right and the left lungs
A

B) left lung

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23
Q 
**The process by which dissolved gases are exchanged between the blood and interstitial fluids is  
A) pulmonary ventilation.  
B) external respiration.  
C) internal respiration.  
D) cellular respiration.  
E) breathing.
A

C) internal respiration.

24
Q

**External respiration involves the
A) movement of air into and out of the lungs.
B) diffusion of gases between the alveoli and the circulating blood.
C) exchange of dissolved gases between the blood and the interstitial fluid.
D) binding of oxygen by hemoglobin.
E) utilization of oxygen by tissues to support metabolism.

A

B) diffusion of gases between the alveoli and the circulating blood.

25
Q

**Which direction does carbon dioxide move during internal respiration?
A) from the blood into the tissue cells
B) from the blood into the lungs
C) from the lungs into the atmosphere
D) from the tissue cells into the blood
E) from the lungs into the blood

A

D) from the tissue cells into the blood

26
Q

**Boyle’s law states that the pressure of a gas is:
A) inversely proportional to volume of its container.
B) always higher in the atmosphere than in the lungs.
C) directly proportional to temperature.
D) inversely proportional to temperature.
E) directly proportional to the volume of its container.

A

A) inversely proportional to volume of its container.

27
Q

**During quiet breathing,
A) only the internal intercostal muscles contract.
B) inspiration involves muscular contractions and expiration is passive.
C) inspiration is passive and expiration involves muscular contractions.
D) inspiration and expiration are both passive.
E) inspiration and expiration involve muscular contractions.

A

B) inspiration involves muscular contractions and expiration is passive.

28
Q 
**Quiet breathing is to \_\_\_\_\_\_\_\_ as shallow breathing is to \_\_\_\_\_\_\_\_.  
A) eupnea; diaphragmatic breathing 
B) eupnea; costal breathing 
C) costal breathing; eupnea 
D) costal breathing; diaphragmatic 
E) diaphragmatic breathing; eupnea
A

B) eupnea; costal breathing

29
Q 
**\_\_\_\_\_\_\_\_ involves active inspiratory and expiratory movements and calls on accessory muscles to assist with inhalation, while exhalation involves contraction of the internal intercostal muscles and sometimes abdominal muscles too.  
A) Eupnea  
B) Forced breathing  
C) Costal breathing  
D) Vital breathing  
E) Passive breathing
A

B) Forced breathing

30
Q 
**\_\_\_\_\_\_\_\_ is the amount of air that moves into the respiratory system during a single respiratory cycle.  
A) Residual volume  
B) Expiratory reserve volume  
C) Inspiratory reserve volume  
D) Tidal volume  
E) Inspiratory capacity
A

D) Tidal volume

31
Q 
**\_\_\_\_\_\_\_\_ is the amount of air that you can inhale above the resting tidal volume.  
A) Residual inhaled volume  
B) Expiratory reserve volume  
C) Inspiratory reserve volume  
D) Enhanced tidal volume  
E) Inspiratory capacity
A

C) Inspiratory reserve volume

32
Q 
**Expiratory movements are produced by contraction of the \_\_\_\_\_\_\_\_ muscle.  
A) scalene  
B) diaphragm  
C) internal intercostal  
D) external intercostal  
E) serratus anterior
A

C) internal intercostal

33
Q

**Increasing the alveolar ventilation rate will
A) decrease the partial pressure of carbon dioxide in the alveoli.
B) decrease the rate of oxygen diffusion from the alveoli to the blood.
C) increase the partial pressure of carbon dioxide in the alveoli.
D) decrease the rate of carbon dioxide diffusion from the blood to the alveoli.
E) hardly affect either the partial pressure or diffusion of gases.

A

A) decrease the partial pressure of carbon dioxide in the alveoli.

34
Q

**Pulmonary ventilation refers to the
A) movement of air into and out of the lungs.
B) movement of dissolved gases from the alveoli to the blood.
C) movement of dissolved gases from the blood to the interstitial space.
D) movement of dissolved gases from the interstitial space to the cells.
E) utilization of oxygen.

A

A) movement of air into and out of the lungs.

35
Q

**The function of pulmonary ventilation is to
A) remove carbon dioxide from the blood.
B) supply oxygen to the blood.
C) maintain adequate alveolar ventilation.
D) remove air from dead air space.
E) prevent gas exchange in the bronchioles.

A

C) maintain adequate alveolar ventilation.

36
Q 
**If a patient inhales as deeply as possible and then exhales as much as possible, the volume of air expelled would be the patient's 
A) tidal volume.  
B) inspiratory reserve volume.  
C) expiratory reserve volume.  
D) reserve volume.  
E) vital capacity.
A

E) vital capacity.

37
Q 
**\_\_\_\_\_\_\_\_ =  respiratory rate × (tidal volume - anatomic dead space). 
A) Vital capacity  
B) Respiratory minute volume  
C) Pulmonary ventilation rate
D) Alveolar ventilation rate  
E) External respiration rate
A

D) Alveolar ventilation rate

38
Q

**Boyle’s Law of Gases states that
A) the pressure and volume of a gas are equal.
B) as the temperature goes up, the pressure goes up.
C) the total gas pressure is equal to the sum of the partial pressures.
D) the concentration of dissolved gas is proportional to its partial pressure.
E) if the volume goes up, the pressure goes down.

A

E) if the volume goes up, the pressure goes down.

39
Q 
**Which of the following can be calculated if the tidal volume and respiratory rate are known?
A) minute volume
B) inspiratory reserve volume
C) expiratory reserve volume
D) anatomical dead space
E) forced vital capacity
A

A) minute volume

40
Q

**Each of the following factors affects the rate of external respiration, except the
A) PO2 of the alveoli.
B) PCO2 of the blood.
C) thickness of the respiratory membrane.
D) diameter of an alveolus.
E) solubility of oxygen in plasma.

A

D) diameter of an alveolus.

41
Q

**About 70% of carbon dioxide is transported in deoxygenated blood
A) as dissolved CO2 in the blood plasma.
B) as bicarbonate ions bound to hemoglobin in red blood cells.
C) combined with hemoglobin as carbaminohemoglobin.
D) as bicarbonate ions in the blood plasma.
E) as carbonic acid in the red blood cells.

A

D) as bicarbonate ions in the blood plasma.

42
Q

**A 10-percent increase in the level of carbon dioxide in the blood will
A) decrease the rate of breathing.
B) increase the rate of breathing.
C) decrease pulmonary ventilation.
D) decrease the alveolar ventilation rate.
E) decrease the vital capacity.

A

B) increase the rate of breathing.

43
Q 
**Sympathetic input to the smooth muscle tissue in bronchioles causes all of these except
A) bronchoconstriction.  
B) a bigger lumen.  
C) less airway resistance.  
D) activation of beta-two receptors.  
E) relaxation.
A

A) bronchoconstriction.

44
Q

**In quiet breathing,
A) inspiration and expiration involve muscular contractions.
B) inspiration is passive and expiration involves muscular contractions.
C) inspiration involves muscular contractions and expiration is passive.
D) inspiration and expiration are both passive.
E) inspiration is deep and forceful.

A

C) inspiration involves muscular contractions and expiration is passive.

45
Q 
**Breathing that involves active inspiratory and expiratory movements is called  
A) eupnea.  
B) hyperpnea.  
C) diaphragmatic breathing.  
D) costal breathing.  
E) shallow breathing.
A

B) hyperpnea.

46
Q 
**The normal rate and depth of breathing is established by the \_\_\_\_\_\_\_\_ center.  
A) apneustic  
B) pneumotaxic  
C) inspiratory  
D) expiratory  
E) ventral respiratory
A

C) inspiratory

47
Q 
**Damage to the phrenic nerves would  
A) increase respiratory rate.  
B) increase the tidal volume.  
C) force reliance on costal breathing.  
D) result in greater pressure differences between the lungs and the outside air.  
E) have little effect on ventilation.
A

C) force reliance on costal breathing.

48
Q

**Severing the sensory fibers from the lungs would result in all of the following, except
A) less inhibition of the inspiratory center during forced breathing.
B) a drop in tidal volume.
C) potential damage to the lungs due to overinflation.
D) a disappearance of the Hering-Breuer reflexes.
E) less stimulation of the expiratory center during forced breathing

A

B) a drop in tidal volume.

49
Q

**Which of these age-based changes is false?
A) The lungs lose elastic tissue.
B) The lung’s compliance changes.
C) Vital capacity increases.
D) Respiratory muscles weaken.
E) Costal cartilages become more flexible.

A

C) Vital capacity increases.

50
Q

**Gas exchange between air and circulating blood takes place within ________.

A

alveoli

51
Q

**The superior region of the pharynx is called the ________.

A

nasopharynx

52
Q

**Internal respiration refers to exchange of oxygen and carbon dioxide between the blood and the ________.

A

tissues

53
Q

**When the inspiratory muscles relax, the rib cage returns to its original position as a result of ________.

A

elastic rebound

54
Q

**The technical term for quiet breathing is ________.

A

eupnea

55
Q

**Use of the accessory respiratory muscles is characteristic of forced breathing or ________ .

A

hyperpnea

56
Q

**The volume of air moved in a single respiratory cycle is termed ________.

A

tidal volume

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