Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which
of the following statements is true about involuntary breathing? a. | It is controlled by the
bronchioles | b. | It is controlled by the pulmonary arterioles | c. | It is controlled by the alveolar-capillary
network | d. | It is controlled by the neurons, located in the medulla and pons
(brian) |
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2.
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Which
of the following are parts of the human respiratory system? a. | Trachea | b. | Diaphragm | c. | The lungs | d. | All of the above |
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3.
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Which
of the following gas is released out during the process of respiration? a. | Oxygen | b. | Hydrogen | c. | Carbon dioxide | d. | None of the above |
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4.
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The
tiny air sacs present in human lungs is called_______. a. | Alveoli | b. | Bronchus | c. | Bronchioles | d. | All of the above |
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5.
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Which
of the following functions by filtering and keeping the mucus and dirt away from our
lungs? a. | Cilia | b. | Bronchioles | c. | Hairs in the lungs | d. | All of the above |
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6.
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The
total number of alveoli present in the human lungs is estimated to be around
______. a. | 1
billion | b. | 800 million | c. | 500 million | d. | 1500 million |
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7.
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The
exchange of gases between the external environment and the lungs______. a. | Respiration | b. | External respiration | c. | Cellular
respiration | d. | None of the above |
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8.
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Which
one of the following statements is false about the trachea? a. | Has C-shaped
rings | b. | It is covered by epiglottis | c. | It splits into the right and left
lungs | d. | None of the above |
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9.
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The
maximum volume of air contained in the lung by a full forced inhalation is called
_________. a. | Tidal
volume | b. | Vital capacity | c. | Ventilation rate | d. | Total lung capacity |
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10.
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Which
one of the following is correct regarding larynx? a. | It houses the vocal
cords | b. | It prevents the invading pathogens into the
trachea | c. | It is an organ made of cartilage and connects the pharynx to the
trachea | d. | All of the above. |
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11.
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Which
of the following is the function of the trachea? a. | Gaseous
Exchange | b. | Filters the air we breathe | c. | Exhales the air from the
body | d. | All of the above |
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12.
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Which
of these statements is true about internal respiration? a. | Production of
ATP | b. | Exchange of gases between the bloodstream and tissue
cells | c. | Exchange of gases between alveoli and the
bloodstream | d. | Breathing between the atmosphere and the
alveoli |
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13.
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Which
of the following organs functions as an air conditioner? a. | Larynx | b. | Pharynx | c. | Nasal chambers | d. | All of the above |
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14.
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The
normal breathing process is controlled by ____________. a. | Lungs | b. | Ventral respiratory group | c. | Dorsal respiratory
group | d. | Both (b) and (c) |
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15.
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In
humans, the exchange of gases occurs within the __________. a. | Lungs | b. | Air sacs | c. | Air sacs and Lungs | d. | None of the above |
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16.
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Which
of the following statements is true about the entry of air into the lungs? a. | Air enters the body and
travels to the lungs through the mouth and the nose | b. | Air enters the body and travels to the lungs
through the oesophagus and gullet | c. | Air enters the body and travels to the lungs through the windpipe and the
pores | d. | Air enters the body and travels to the lungs through the nose and the nervous
system. |
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17.
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The
windpipe is also called the ________. a. | Larynx | b. | Lungs | c. | Trachea | d. | Oesophagus |
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18.
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a. | Occurs when cells
breathe | b. | Occurs when glucose and oxygen react to produce CO2 and H2O and
Energy. | c. | Occurs when CO2 and H2O and light produce glucose and
oxygen. | d. | Occurs during photosynthesis. |
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19.
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In
which part of the respiratory system, gaseous exchange takes place?
Ans : aa. | Alveoli | b. | Pharynx | c. | Larynx | d. | Trachea |
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