BIO 2870 Final Exam Test Banks Questions With
Complete Answers
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
15-1 - ANSWER a) upper (conducting) portion of the respiratory tract
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
15-1 - ANSWER d) ciliated columnar epithelium
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
15-1 - ANSWER c) are involved in filtering, warming, and humidifying incoming air
Functions of the respiratory system include:
a) protecting respiratory surfaces from dehydration and temperature change
b) producing leukocytes needed to defend against pathogens
c) generating neurotransmitters essential to the neural control of respiration
d) providing erythrocytes, especially during times of increases oxygen demand
e) melanin synthesis and utilization to shield alveoli from environmental hazards
15-1 - ANSWER a) protecting respiratory surfaces from dehydration and temperature
change
The lamina propria of the respiratory mucosa consists of which of the following
connective tissues?
a) reticular
b) adipose
c) dense fibrous
d) areolar
e) elastic
15-1 - ANSWER d) areolar
Glands within the lamina propria of the respiratory mucosa secrete
a) hormones
,b) saliva
c) mucus
d) sweat
e) acids
15-1 - ANSWER c) mucus
Microorganisms removed from incoming air by the mucus of the respiratory tract are
ultimately exposed to and destroyed by:
a) toxins in the mucus
b) the cilia
c) stomach acids and enzymes
d) a lack of nutrients
e) alveolar macrophages
15-1 - ANSWER c) stomach aids and enzymes
The nasal cavity opens into the nasopharynx at the:
a) internal nares
b) external nares
c) vestibules
d) turbinates
e) palates
15-2 - ANSWER a) internal nares
, The portion of the nasal cavity contained within the flexible tissues of the external nose
is the
a) nasopharynx
b) nasal vestibule
c) internal chamber
d) glottis
e) nasal septum
15-2 - ANSWER b) nasal vestibule
Which of the following forms much of the anterior and lateral surfaces of the larynx, and
often contains an "Adam's apple"?
a) arytenoid cartilage
b) thyroid cartilage
c) cuneiform cartilage
d) corniculate cartilage
e) cricoid cartilage
15-2 - ANSWER b) thyroid cartilage
A chamber shared by the respiratory and digestive systems is the
a) larynx
b) glottis
c) vestibule
d) pharynx
Complete Answers
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
15-1 - ANSWER a) upper (conducting) portion of the respiratory tract
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
15-1 - ANSWER d) ciliated columnar epithelium
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
15-1 - ANSWER c) are involved in filtering, warming, and humidifying incoming air
Functions of the respiratory system include:
a) protecting respiratory surfaces from dehydration and temperature change
b) producing leukocytes needed to defend against pathogens
c) generating neurotransmitters essential to the neural control of respiration
d) providing erythrocytes, especially during times of increases oxygen demand
e) melanin synthesis and utilization to shield alveoli from environmental hazards
15-1 - ANSWER a) protecting respiratory surfaces from dehydration and temperature
change
The lamina propria of the respiratory mucosa consists of which of the following
connective tissues?
a) reticular
b) adipose
c) dense fibrous
d) areolar
e) elastic
15-1 - ANSWER d) areolar
Glands within the lamina propria of the respiratory mucosa secrete
a) hormones
,b) saliva
c) mucus
d) sweat
e) acids
15-1 - ANSWER c) mucus
Microorganisms removed from incoming air by the mucus of the respiratory tract are
ultimately exposed to and destroyed by:
a) toxins in the mucus
b) the cilia
c) stomach acids and enzymes
d) a lack of nutrients
e) alveolar macrophages
15-1 - ANSWER c) stomach aids and enzymes
The nasal cavity opens into the nasopharynx at the:
a) internal nares
b) external nares
c) vestibules
d) turbinates
e) palates
15-2 - ANSWER a) internal nares
, The portion of the nasal cavity contained within the flexible tissues of the external nose
is the
a) nasopharynx
b) nasal vestibule
c) internal chamber
d) glottis
e) nasal septum
15-2 - ANSWER b) nasal vestibule
Which of the following forms much of the anterior and lateral surfaces of the larynx, and
often contains an "Adam's apple"?
a) arytenoid cartilage
b) thyroid cartilage
c) cuneiform cartilage
d) corniculate cartilage
e) cricoid cartilage
15-2 - ANSWER b) thyroid cartilage
A chamber shared by the respiratory and digestive systems is the
a) larynx
b) glottis
c) vestibule
d) pharynx
