Chapter 15 The Respiratory System
15.1 Multiple-Choice Questions
1) Air entering the body is filtered, warmed, and humidified by the
- A) upper (conducting) portion of the respiratory tract.
- B) lower (respiratory) portion of the respiratory tract.
- C) lungs.
- D) alveoli.
- E) bronchioles.
Answer: A
Learning Outcome: 15-1
Bloom’s Taxonomy: Remembering
2) The respiratory mucosa is made up of
- A) dense irregular connective tissue.
- B) squamous epithelium.
- C) ciliated cuboidal epithelium.
- D) ciliated columnar epithelium.
- E) dense regular connective tissue.
Answer: D
Learning Outcome: 15-1
Bloom’s Taxonomy: Remembering
3) The paranasal sinuses, together with other structures of the upper respiratory tract,
- A) are where a small percentage of gas exchange occurs.
- B) form part of the respiratory membrane.
- C) are involved in filtering, warming, and humidifying incoming air.
- D) provide a large area for gas exchange between air and circulating blood.
- E) are lined by a delicate simple squamous epithelium.
Answer: C
Learning Outcome: 15-1
Bloom’s Taxonomy: Understanding
4) Functions of the respiratory system include
- A) protecting respiratory surfaces from dehydration and temperature changes.
- B) producing leukocytes needed to defend against invading pathogens.
- C) generating neurotransmitters essential to the neural control of respiration.
- D) providing erythrocytes, especially during times of increased oxygen demand.
- E) melanin synthesis and utilization to shield alveoli from environmental hazards.
Answer: A
Learning Outcome: 15-1
Bloom’s Taxonomy: Understanding
5) Label A represents which structure(s)?
- A) bronchus
- B) larynx
- C) esophagus
- D) trachea
- E) pharynx
Answer: C
Learning Outcome: 15-1
Bloom’s Taxonomy: Remembering
6) Label B represents which structure(s)?
- A) nose
- B) nasal cavity
- C) pharynx
- D) sinuses
- E) larynx
Answer: A
Learning Outcome: 15-1
Bloom’s Taxonomy: Remembering
7) Label C represents which structure(s)?
- A) nose
- B) nasal cavity
- C) pharynx
- D) sinuses
- E) larynx
Answer: B
Learning Outcome: 15-1
Bloom’s Taxonomy: Remembering
8) Label D represents which structure(s)?
- A) nose
- B) nasal cavity
- C) pharynx
- D) sinuses
- E) larynx
Answer: D
Learning Outcome: 15-1
Bloom’s Taxonomy: Remembering
9) Label E represents which structure(s)?
- A) larynx
- B) trachea
- C) pharynx
- D) bronchus
- E) bronchioles
Answer: C
Learning Outcome: 15-1
Bloom’s Taxonomy: Remembering
10) Label F represents which structure(s)?
- A) larynx
- B) trachea
- C) pharynx
- D) bronchus
- E) bronchioles
Answer: A
Learning Outcome: 15-1
Bloom’s Taxonomy: Remembering
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