Biology 39 The Respiratory System MCQ

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Photo depicts Earth from space.
This NASA image is a composite of several satellite-based views of Earth. To make the whole-Earth image, NASA scientists combine observations of different parts of the planet. (credit: NASA/GSFC/NOAA/USGS)

Viewed from space, Earth offers no clues about the diversity of life forms that reside there. The first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared. The mammals, birds, and flowers so familiar to us are all relatively recent, originating 130 to 200 million years ago. Humans have inhabited this planet for only the last 2.5 million years, and only in the last 200,000 years have humans started looking like we do today.

Unit 7. Animal Structure and Function

Chapter 39: The Respiratory System MCQ Multiple Choices Questions Quiz Test Bank

39.1 Systems of Gas Exchange

39.2 Gas Exchange across Respiratory Surfaces

39.3 Breathing

39.4 Transport of Gases in Human Bodily Fluids

Quiz PDF eBook: 
Biology 39 The Respiratory System MCQ
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12 Pages
2015
English US
Educational Materials



Sample Questions from the Biology 39 The Respiratory System MCQ Quiz

Question: The inspiratory reserve volume measures the ________.

Choices:

amount of air remaining in the lung after a maximal exhalation

amount of air that the lung holds

amount of air the can be further exhaled after a normal breath

amount of air that can be further inhaled after a normal breath

Question: Air is warmed and humidified in the nasal passages. This helps to ________.

Choices:

ward off infection

decrease sensitivity during breathing

prevent damage to the lungs

all of the above

Question: Which of the following will NOT facilitate the transfer of oxygen to tissues?

Choices:

decreased body temperature

decreased pH of the blood

increased carbon dioxide

increased exercise

Question: The total lung capacity is calculated using which of the following formulas?

Choices:

residual volume + tidal volume + inspiratory reserve volume

residual volume + expiratory reserve volume + inspiratory reserve volume

expiratory reserve volume + tidal volume + inspiratory reserve volume

residual volume + expiratory reserve volume + tidal volume + inspiratory reserve volume

Question: Which is the order of airflow during inhalation?

Choices:

nasal cavity, trachea, larynx, bronchi, bronchioles, alveoli

nasal cavity, larynx, trachea, bronchi, bronchioles, alveoli

nasal cavity, larynx, trachea, bronchioles, bronchi, alveoli

nasal cavity, trachea, larynx, bronchi, bronchioles, alveoli

Question: The majority of carbon dioxide in the blood is transported by ________.

Choices:

binding to hemoglobin

dissolution in the blood

conversion to bicarbonate

binding to plasma proteins

Question: Alveolar ventilation remains constant when ________.

Choices:

the respiratory rate is increased while the volume of air per breath is decreased

the respiratory rate and the volume of air per breath are increased

the respiratory rate is decreased while increasing the volume per breath

both a and c

Question: How would paralysis of the diaphragm alter inspiration?

Choices:

It would prevent contraction of the intercostal muscles.

It would prevent inhalation because the intrapleural pressure would not change.

It would decrease the intrapleural pressure and allow more air to enter the lungs.

It would slow expiration because the lung would not relax.

Question: The respiratory system ________.

Choices:

provides body tissues with oxygen

provides body tissues with oxygen and carbon dioxide

establishes how many breaths are taken per minute

provides the body with carbon dioxide

Question: Of the following, which does not explain why the partial pressure of oxygen is lower in the lung than in the external air?

Choices:

Air in the lung is humidified; therefore, water vapor pressure alters the pressure.

Carbon dioxide mixes with oxygen.

Oxygen is moved into the blood and is headed to the tissues.

Lungs exert a pressure on the air to reduce the oxygen pressure.

Question: Restrictive airway diseases ________.

Choices:

increase the compliance of the lung

decrease the compliance of the lung

increase the lung volume

decrease the work of breathing

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Eric Crawford
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