Question 1

Which of the following does not contain ciliated cells?

Accepted Answer

A)  Nasal cavity
B)  Trachea
C)  Primary bronchus
D)  Terminal bronchiole
E)  LarygopharynxF) C) and E)
G) A) and D)

Question 2

Metabolically active tissues have which of the following sets of conditions that shift the oxyhemoglobin dissociation curve to the right?

Accepted Answer

A)   ↑\uarr↑ PO2,  ↓\darr↓  PCO2,  ↑\uarr↑  temperature,  ↑\uarr↑  BPG
B)   ↓\darr↓  PO2,  ↑\uarr↑  PCO2,  ↑\uarr↑  temperature,  ↑\uarr↑  BPG
C)   ↓\darr↓  PO2,  ↑\uarr↑  PCO2,  ↓\darr↓  temperature,  ↑\uarr↑  BPG
D)   ↑\uarr↑  PO2,  ↓\darr↓  PCO2,  ↑\uarr↑  temperature,  ↓\darr↓  BPG E) A) and B)
F) None of the above

Question 3

The vagus and glossopharyngeal nerves carry afferent signals from peripheral chemoreceptors to a chemosensitive area in the ___________.

Accepted Answer

A)  pontine respiratory group
B)  dorsal respiratory group
C)  ventral respiratory group
D)  medulla oblongata
E)  ponsF) A) and D)
G) All of the above

Question 4

Congestive heart failure results in which of the following?

Accepted Answer

A)  Hypoxemic hypoxia
B)  Ischemic hypoxia
C)  Anemic hypoxia
D)  Histotoxic hypoxia
E)  Idiopathic hypoxiaF) A) and E)
G) None of the above

Question 5

The pH of the cerebrospinal fluid is monitored by which of these brainstem centers?

Accepted Answer

A)  PRG
B)  Hypothalamic osmoreceptors
C)  Medullary baroreceptors
D)  Central chemoreceptorsE) All of the above
F) A) and B)

Question 6

Deep,rapid breathing often seen in terminal diabetes mellitus is known as what?

Accepted Answer

A)  Tachypnea
B)  Dyspnea
C)  Orthopnea
D)  Hyperpnea
E)  Kussmaul respirationF) C) and D)
G) B) and E)

Question 7

What is the least common but most dangerous form of lung cancer?

Accepted Answer

A)  Mesothelioma
B)  Adenocarcinoma
C)  Squamous cell carcinoma
D)  Small-cell carcinomaE) A) and B)
F) A) and C)

Question 8

Tom is in respiratory arrest due to an electrical shock.Why does a good samaritan have up to 4 or 5 minutes to begin CPR and save Tom's life?

Accepted Answer

A)  There is reserve oxygen in Tom's lungs.
B)  There is a venous reserve of oxygen in Tom's blood.
C)  The ambient Po2 can support life that long.
D)  The Haldane effect lasts up to 5 minutes.
E)  Tom's hypoxic drive will keep him alive for up to 5 minutes.F) B) and E)
G) B) and D)

Question 9

Normally,the systemic arterial blood has a Po2 of ___________ mm Hg,a Pco2 of ___________ mm Hg,and a pH of ___________.

Accepted Answer

A)  40; 95; 7.4
B)  95; 40; 7.4
C)  7.4; 40; 95
D)  95; 7.4; 40
E)  40; 7.4; 95F) A) and E)
G) All of the above

Question 10

Your breathing rate is 14 breaths/minute; spirometric measurements reveal your tidal volume is 500 mL; your inspiratory reserve volume is 3000 mL; and your expiratory reserve volume is 1,200 mL.Your vital capacity is __________ mL.

Accepted Answer

A)  2,400
B)  3,000
C)  3,800
D)  4,700
E)  5,800F) A) and B)
G) A) and D)

Question 11

How is the vital capacity calculated?

Accepted Answer

A)  Inspiratory reserve volume + expiratory volume
B)  Inspiratory reserve volume + tidal volume
C)  Expiratory reserve volume + tidal volume
D)  Expiratory reserve volume + tidal volume + inspiratory reserve volume
E)  Respiratory volume + tidal volumeF) A) and B)
G) B) and D)

Exam 22: The Respiratory System

Metabolically active tissues have which of the following sets of conditions that shift the oxyhemoglobin dissociation curve to the right?

Correct Answer
verified

The pH of the cerebrospinal fluid is monitored by which of these brainstem centers?

Correct Answer
verified

Congestive heart failure results in which of the following?

Correct Answer
verified

The vagus and glossopharyngeal nerves carry afferent signals from peripheral chemoreceptors to a chemosensitive area in the ___________.

Correct Answer
verified

What is the least common but most dangerous form of lung cancer?

Correct Answer
verified

Which of the following does not contain ciliated cells?

Correct Answer
verified

How is the vital capacity calculated?

Correct Answer
verified

Your breathing rate is 14 breaths/minute; spirometric measurements reveal your tidal volume is 500 mL; your inspiratory reserve volume is 3000 mL; and your expiratory reserve volume is 1,200 mL.Your vital capacity is __________ mL.

Correct Answer
verified

Normally,the systemic arterial blood has a Po2 of _____ mm Hg,a Pco2 of _ mm Hg,and a pH of _______.

Correct Answer
verified

Deep,rapid breathing often seen in terminal diabetes mellitus is known as what?

Correct Answer
verified

Tom is in respiratory arrest due to an electrical shock.Why does a good samaritan have up to 4 or 5 minutes to begin CPR and save Tom's life?

Correct Answer
verified

Exam 22: The Respiratory System

Metabolically active tissues have which of the following sets of conditions that shift the oxyhemoglobin dissociation curve to the right?

Correct AnswerverifiedShow Answer

The pH of the cerebrospinal fluid is monitored by which of these brainstem centers?

Correct AnswerverifiedShow Answer

Congestive heart failure results in which of the following?

Correct AnswerverifiedShow Answer

The vagus and glossopharyngeal nerves carry afferent signals from peripheral chemoreceptors to a chemosensitive area in the ___________.

Correct AnswerverifiedShow Answer

What is the least common but most dangerous form of lung cancer?

Correct AnswerverifiedShow Answer

Which of the following does not contain ciliated cells?

Correct AnswerverifiedShow Answer

How is the vital capacity calculated?

Correct AnswerverifiedShow Answer

Your breathing rate is 14 breaths/minute; spirometric measurements reveal your tidal volume is 500 mL; your inspiratory reserve volume is 3000 mL; and your expiratory reserve volume is 1,200 mL.Your vital capacity is __________ mL.

Correct AnswerverifiedShow Answer

Normally,the systemic arterial blood has a Po2 of ___________ mm Hg,a Pco2 of ___________ mm Hg,and a pH of ___________.

Correct AnswerverifiedShow Answer

Deep,rapid breathing often seen in terminal diabetes mellitus is known as what?

Correct AnswerverifiedShow Answer

Tom is in respiratory arrest due to an electrical shock.Why does a good samaritan have up to 4 or 5 minutes to begin CPR and save Tom's life?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Normally,the systemic arterial blood has a Po2 of _____ mm Hg,a Pco2 of _ mm Hg,and a pH of _______.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified