Alexandra Bozan
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Lecture: Respiratory System

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Alexandra Bozan
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Quiz: Respiratory System

Quiz: Respiratory System

Question 1 of 37

1

Increasing carbondioxide content of blood results in

Select one or more of the following:

  • increased H+

  • decreased pH

  • increased pH

Explanation

Question 2 of 37

1

A drop in the body’s production of carbonic anhydrase would:

Select one of the following:

  • hinder the formation of carbonic acid.

  • hinder the formation of oxyhemoglobin.

  • hinder the formation of carbaminohemoglobin.

  • do all of the above.

Explanation

Question 3 of 37

1

Select from the dropdown list to complete the text.

Partial pressure of oxygen is ( higher, lower ) in alveolar air than in venous blood

Explanation

Question 4 of 37

1

Internal respiration

Select one of the following:

  • also known as systemic gas exchange

  • occurs between blood and body cells

  • O2 moves from blood into cells, CO2 moves from cells into blood

  • all of the above

Explanation

Question 5 of 37

1

External respiration is also known as

Select one of the following:

  • systemic gas exchange

  • pulmonary gas exchange

  • aerobic respiration

  • all of the above

Explanation

Question 6 of 37

1

Each hemoglobin molecule can carry this many oxygen molecules.

Select one of the following:

  • Four

  • Eight

  • Two

  • Six

Explanation

Question 7 of 37

1

If the tidal volume were 600 ml, the alveolar ventilation would be about:

Select one of the following:

  • 550 ml

  • 400 ml

  • 300 ml

  • 250 ml

Explanation

Question 8 of 37

1

Carbon dioxide is carried in three forms in the blood. Ranking them from greatest to least amount carried, the sequence would be

Select one of the following:

  • dissolved in the plasma, carbaminohemoglobin, and bicarbonate ion

  • carbaminohemoglobin, bicarbonate ion, and dissolved in plasma

  • bicarbonate ion, dissolved in plasma, and carbaminohemoglobin

  • bicarbonate ion, carbaminohemoglobin, and dissolved in plasma

Explanation

Question 9 of 37

1

The largest of the paranasal sinuses is the

Select one of the following:

  • maxillary

  • frontal

  • ethmoid

  • sphenoid

Explanation

Question 10 of 37

1

The structure known as the “Adam’s apple” located in the neck is the

Select one of the following:

  • epiglottis

  • cricoid cartilage

  • glottis

  • thyroid cartilage

Explanation

Question 11 of 37

1

The structures that deflect air as it passes through the nose are called

Select one of the following:

  • choanae

  • paranasal sinuses

  • conchae

  • vibrissae

Explanation

Question 12 of 37

1

This part of the respiratory system does not function as an air distributor

Select one of the following:

  • trachea

  • bronchi

  • bronchioles

  • alveoli

Explanation

Question 13 of 37

1

Gas exchange, the lungs’ main and vital function, takes place in the

Select one of the following:

  • bronchioles

  • secondary bronchi

  • primary bronchi

  • alveoli

  • All of the above

Explanation

Question 14 of 37

1

Which of the following is not a part of the nasal septum?

Select one of the following:

  • Perpendicular plate

  • Cartilage

  • Vomer

  • Palatine process

Explanation

Question 15 of 37

1

When the diaphragm and external intercostals contract?

Select one of the following:

  • thoracic volume increases

  • thoracic pressure increases

  • pulmonary pressure

  • expiration occurs

Explanation

Question 16 of 37

1

Which of the following is the last stop for air in the respiratory system?

Select one of the following:

  • Trachea

  • Bronchus

  • Alveolus

  • Nose

Explanation

Question 17 of 37

1

Pleural cavity is located between?

Select one of the following:

  • parietal and visceral pleura

  • visceral pleura and alveolar sac

  • parietal pleura and pulmonary capillary

  • all of the above

Explanation

Question 18 of 37

1

Lungs are made up of?

Select one of the following:

  • bronchi

  • bronchioles

  • alveolar sacs

  • All of the above

Explanation

Question 19 of 37

1

Oxyhemoglobin formation is favored during

Select one of the following:

  • internal respiration

  • systemic gas exchange

  • pulmonary gas exchange

  • none of the above

Explanation

Question 20 of 37

1

The tendency of the thorax and lungs to return to the pre-inspiration volume is called

Select one of the following:

  • compliance

  • elastic recoil

  • expiration

  • ventilation

Explanation

Question 21 of 37

1

The small openings in the cribriform plate function to

Select one of the following:

  • a. allow air to move between the nostrils

  • b. allow branches of the olfactory nerve to enter the cranial cavity and reach the brain

  • c. provide a filtering system for the inspired air

  • d. Both A and B

Explanation

Question 22 of 37

1

The function of surfactant is to

Select one of the following:

  • transport the oxygen from the air to the blood

  • transport the carbon dioxide from the blood to the air

  • prevent each alveolus from collapsing as air moves in and out during respiration

  • trap foreign particles as they enter the bronchial tree

Explanation

Question 23 of 37

1

The volume of air available for gas exchange per minute is called?

Select one of the following:

  • vital capacity

  • alveolar vetilation rate

  • minute respiratory volume

  • functional residual capacity

Explanation

Question 24 of 37

1

In the right lung, the superior and middle lobes are separated by the

Select one of the following:

  • horizontal fissure

  • oblique fissure

  • bronchopulmonary segments

  • hilum

Explanation

Question 25 of 37

1

At the level of the hyoid bone

Select one of the following:

  • the laryngopharynx becomes the esophagus

  • the oropharynx becomes the laryngopharynx

  • the nasopharynx becomes the oropharynx

  • the nasopharynx becomes the laryngopharynx

Explanation

Question 26 of 37

1

Much of the nasal passage is lined with this mucous membrane

Select one of the following:

  • stratified columnar epithelium

  • pseudostratified columnar epithelium

  • simple squamous epithelium

  • simple columnar epithelium

Explanation

Question 27 of 37

1

Which of the following constitutes total lung capacity?

Select one of the following:

  • Residual volume and vital capacity

  • Tidal volume, inspiratory reserve volume, and expiratory reserve volume

  • Residual volume and tidal volume

  • Vital capacity and tidal volume

Explanation

Question 28 of 37

1

If the tidal volume of a given individual is 500 ml, then the anatomical dead space is approximately:

Select one of the following:

  • 50 ml.

  • 100 ml.

  • 150 ml.

  • 200 ml.

Explanation

Question 29 of 37

1

Select from the dropdown lists to complete the text.

In order to inhale we ( increase, decrease ) the size of our thoracic cavity, which ( decreases, increases ) internal pressure.

Explanation

Question 30 of 37

1

Hypoxia may result with an increase in altitude because

Select one of the following:

  • there is a relatively fixed number of erythrocytes

  • the respiratory rate decreases

  • the heart is less efficient in pumping blood

  • atmospheric O2 decreases

Explanation

Question 31 of 37

1

The term used to describe the volume of air moving into or out of the lungs during normal inspiration and expiration is

Select one of the following:

  • inspiratory and expiratory reserve volume

  • vital capacity

  • tidal volume

  • residual volume

Explanation

Question 32 of 37

1

Oxygen is not transported in the blood this way

Select one of the following:

  • As oxyhemoglobin

  • Combined with the bicarbonate ion (HCO3 - )

  • Dissolved in the plasma

  • All of the above are used to transport oxygen in the blood.

Explanation

Question 33 of 37

1

Boyle law states that the volume of a gas varies:

Select one of the following:

  • directly with pressure at a constant temperature

  • inversely with pressure at a constant temperature

  • directly with pressure at a constantly changing temperature

  • inversely with pressure at a constantly changing temperature

Explanation

Question 34 of 37

1

Air movement occurs from area of _____ to area of _____?

Select one of the following:

  • a. low pressure, high pressure

  • b. high pressure, low pressure

  • c. high concenration, low concentration

  • d. both b and c

Explanation

Question 35 of 37

1

What percentage of carbon dioxide we generate is converted to bicarbonate ions in the red blood cells ?

Select one of the following:

  • 10%

  • 20%

  • 70%

  • 99%

Explanation

Question 36 of 37

1

What percentage of carbondioxide is transported bound to hemoglobin.

Select one of the following:

  • 7%

  • 20%

  • 70%

  • 97%

Explanation

Question 37 of 37

1

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?

Select one of the following:

  • 55%

  • 63%

  • 82%

  • 99%

Explanation

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