7212036
Descripción
Test por Alexandra Bozan, actualizado hace más de 1 año
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Creado por Alexandra Bozan
hace casi 8 años
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Pregunta 1
Pregunta
Increasing carbondioxide content of blood results in
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increased H+
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decreased pH
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increased pH
Pregunta 2
Pregunta
A drop in the body’s production of carbonic anhydrase would:
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hinder the formation of carbonic acid.
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hinder the formation of oxyhemoglobin.
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hinder the formation of carbaminohemoglobin.
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do all of the above.
Pregunta 3
Pregunta
Partial pressure of oxygen is [blank_start]higher[blank_end] in alveolar air than in venous blood
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higher
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lower
Pregunta 4
Pregunta
Internal respiration
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also known as systemic gas exchange
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occurs between blood and body cells
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O2 moves from blood into cells, CO2 moves from cells into blood
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all of the above
Pregunta 5
Pregunta
External respiration is also known as
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systemic gas exchange
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pulmonary gas exchange
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aerobic respiration
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all of the above
Pregunta 6
Pregunta
Each hemoglobin molecule can carry this many oxygen molecules.
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Four
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Eight
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Two
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Six
Pregunta 7
Pregunta
If the tidal volume were 600 ml, the alveolar ventilation would be about:
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550 ml
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400 ml
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300 ml
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250 ml
Pregunta 8
Pregunta
Carbon dioxide is carried in three forms in the blood. Ranking them from greatest to least amount carried, the sequence would be
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dissolved in the plasma, carbaminohemoglobin, and bicarbonate ion
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carbaminohemoglobin, bicarbonate ion, and dissolved in plasma
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bicarbonate ion, dissolved in plasma, and carbaminohemoglobin
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bicarbonate ion, carbaminohemoglobin, and dissolved in plasma
Pregunta 9
Pregunta
The largest of the paranasal sinuses is the
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maxillary
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frontal
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ethmoid
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sphenoid
Pregunta 10
Pregunta
The structure known as the “Adam’s apple” located in the neck is the
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epiglottis
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cricoid cartilage
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glottis
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thyroid cartilage
Pregunta 11
Pregunta
The structures that deflect air as it passes through the nose are called
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choanae
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paranasal sinuses
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conchae
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vibrissae
Pregunta 12
Pregunta
This part of the respiratory system does not function as an air distributor
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trachea
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bronchi
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bronchioles
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alveoli
Pregunta 13
Pregunta
Gas exchange, the lungs’ main and vital function, takes place in the
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bronchioles
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secondary bronchi
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primary bronchi
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alveoli
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All of the above
Pregunta 14
Pregunta
Which of the following is not a part of the nasal septum?
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Perpendicular plate
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Cartilage
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Vomer
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Palatine process
Pregunta 15
Pregunta
When the diaphragm and external intercostals contract?
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thoracic volume increases
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thoracic pressure increases
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pulmonary pressure
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expiration occurs
Pregunta 16
Pregunta
Which of the following is the last stop for air in the respiratory system?
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Trachea
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Bronchus
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Alveolus
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Nose
Pregunta 17
Pregunta
Pleural cavity is located between?
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parietal and visceral pleura
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visceral pleura and alveolar sac
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parietal pleura and pulmonary capillary
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all of the above
Pregunta 18
Pregunta
Lungs are made up of?
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bronchi
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bronchioles
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alveolar sacs
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All of the above
Pregunta 19
Pregunta
Oxyhemoglobin formation is favored during
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internal respiration
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systemic gas exchange
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pulmonary gas exchange
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none of the above
Pregunta 20
Pregunta
The tendency of the thorax and lungs to return to the pre-inspiration volume is called
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compliance
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elastic recoil
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expiration
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ventilation
Pregunta 21
Pregunta
The small openings in the cribriform plate function to
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a. allow air to move between the nostrils
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b. allow branches of the olfactory nerve to enter the cranial cavity and reach the brain
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c. provide a filtering system for the inspired air
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d. Both A and B
Pregunta 22
Pregunta
The function of surfactant is to
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transport the oxygen from the air to the blood
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transport the carbon dioxide from the blood to the air
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prevent each alveolus from collapsing as air moves in and out during respiration
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trap foreign particles as they enter the bronchial tree
Pregunta 23
Pregunta
The volume of air available for gas exchange per minute is called?
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vital capacity
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alveolar vetilation rate
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minute respiratory volume
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functional residual capacity
Pregunta 24
Pregunta
In the right lung, the superior and middle lobes are separated by the
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horizontal fissure
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oblique fissure
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bronchopulmonary segments
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hilum
Pregunta 25
Pregunta
At the level of the hyoid bone
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the laryngopharynx becomes the esophagus
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the oropharynx becomes the laryngopharynx
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the nasopharynx becomes the oropharynx
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the nasopharynx becomes the laryngopharynx
Pregunta 26
Pregunta
Much of the nasal passage is lined with this mucous membrane
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stratified columnar epithelium
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pseudostratified columnar epithelium
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simple squamous epithelium
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simple columnar epithelium
Pregunta 27
Pregunta
Which of the following constitutes total lung capacity?
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Residual volume and vital capacity
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Tidal volume, inspiratory reserve volume, and expiratory reserve volume
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Residual volume and tidal volume
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Vital capacity and tidal volume
Pregunta 28
Pregunta
If the tidal volume of a given individual is 500 ml, then the anatomical dead space is approximately:
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50 ml.
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100 ml.
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150 ml.
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200 ml.
Pregunta 29
Pregunta
In order to inhale we [blank_start]increase[blank_end] the size of our thoracic cavity, which [blank_start]decreases[blank_end] internal pressure.
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increase
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decrease
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decreases
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increases
Pregunta 30
Pregunta
Hypoxia may result with an increase in altitude because
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there is a relatively fixed number of erythrocytes
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the respiratory rate decreases
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the heart is less efficient in pumping blood
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atmospheric O2 decreases
Pregunta 31
Pregunta
The term used to describe the volume of air moving into or out of the lungs during normal inspiration and expiration is
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inspiratory and expiratory reserve volume
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vital capacity
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tidal volume
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residual volume
Pregunta 32
Pregunta
Oxygen is not transported in the blood this way
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As oxyhemoglobin
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Combined with the bicarbonate ion (HCO3 - )
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Dissolved in the plasma
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All of the above are used to transport oxygen in the blood.
Pregunta 33
Pregunta
Boyle law states that the volume of a gas varies:
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directly with pressure at a constant temperature
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inversely with pressure at a constant temperature
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directly with pressure at a constantly changing temperature
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inversely with pressure at a constantly changing temperature
Pregunta 34
Pregunta
Air movement occurs from area of _____ to area of _____?
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a. low pressure, high pressure
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b. high pressure, low pressure
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c. high concenration, low concentration
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d. both b and c
Pregunta 35
Pregunta
What percentage of carbon dioxide we generate is converted to bicarbonate ions in the red blood cells ?
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10%
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20%
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70%
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99%
Pregunta 36
Pregunta
What percentage of carbondioxide is transported bound to hemoglobin.
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7%
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20%
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70%
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97%
Pregunta 37
Pregunta
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?
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55%
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63%
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82%
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99%
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