NSG 5003 Wk 5 Pulmonary UPDATED ACTUAL Questions and
CORRECT Answers
Which pulmonary defense mechanism propels a mucous Ans: C- cilia
blanket that entraps particles moving toward the
oropharynx?
A) nasal turbinates
B) alveolar macrophages
C) cilia
D) irritant receptors on the nares
Stretch receptors and peripheral chemoreceptors send Ans: C- dorsal respiratory group (DRG) in the medulla oblongata
afferent impulses regarding ventilation to which location
in the brain?
A) pneumotaxic center in the pons
B) apneustic center in the pons
C) dorsal respiratory group (DRG) in the medulla
oblongata
D) ventral respiratory group (VRG) in the medulla
oblongata
, If a patient develops acidosis, the nurse would expect the Ans: A- shift to the right, causing more oxygen (O2) to be released to the cells
oxyhemoglobin dissociation curve to react in which
manner?
A) shift to the right, causing more oxygen (O2) to be
released to the cells
B) shift to the left, allowing less oxygen (O2) to be
released to the cells
C) show no change, allowing the oxygen (O2)
concentration to remain stable
D) show dramatic fluctuation, allowing the oxygen (O2)
concentration to increase
How is most carbon dioxide (CO2) in the blood Ans: B- in the form of bicarbonate
transported?
A) attached to oxygen (O2)
B) in the forma of bicarbonate
C) combined with albumin
D) dissolved in the plasma
The sternocleidomastoid and scalene muscles are Ans: A- diaphragmatic muscles
referred to as which group of muscles?
A) diaphragmatic muscles
B) muscles of expiration
C) intercostal muscles
D) muscles of inspiration
What event is characteristic of the function in Zone 1 of Ans: C- the capillary bed collapses and normal blood flow ceases
the lung?
A) blood flow through the pulmonary capillary bed
increases in regular increments
B) alveolar pressure is greater than venous pressure but
not greater than arterial pressure
C) the capillary bed collapses and normal blood flow
ceases
D) blood flows through Zone 1, but is impeded to a
certain extent by alveolar pressure
Hypoventilation that results in the retention carbon Ans: B- central chemoreceptors
dioxide (CO2) will stimulate which receptors in an
attempt to maintain a normal homeostatic state?
A) irritant receptors
B) central chemoreceptors
C) peripheral chemoreceptors
D) stretch receptors
CORRECT Answers
Which pulmonary defense mechanism propels a mucous Ans: C- cilia
blanket that entraps particles moving toward the
oropharynx?
A) nasal turbinates
B) alveolar macrophages
C) cilia
D) irritant receptors on the nares
Stretch receptors and peripheral chemoreceptors send Ans: C- dorsal respiratory group (DRG) in the medulla oblongata
afferent impulses regarding ventilation to which location
in the brain?
A) pneumotaxic center in the pons
B) apneustic center in the pons
C) dorsal respiratory group (DRG) in the medulla
oblongata
D) ventral respiratory group (VRG) in the medulla
oblongata
, If a patient develops acidosis, the nurse would expect the Ans: A- shift to the right, causing more oxygen (O2) to be released to the cells
oxyhemoglobin dissociation curve to react in which
manner?
A) shift to the right, causing more oxygen (O2) to be
released to the cells
B) shift to the left, allowing less oxygen (O2) to be
released to the cells
C) show no change, allowing the oxygen (O2)
concentration to remain stable
D) show dramatic fluctuation, allowing the oxygen (O2)
concentration to increase
How is most carbon dioxide (CO2) in the blood Ans: B- in the form of bicarbonate
transported?
A) attached to oxygen (O2)
B) in the forma of bicarbonate
C) combined with albumin
D) dissolved in the plasma
The sternocleidomastoid and scalene muscles are Ans: A- diaphragmatic muscles
referred to as which group of muscles?
A) diaphragmatic muscles
B) muscles of expiration
C) intercostal muscles
D) muscles of inspiration
What event is characteristic of the function in Zone 1 of Ans: C- the capillary bed collapses and normal blood flow ceases
the lung?
A) blood flow through the pulmonary capillary bed
increases in regular increments
B) alveolar pressure is greater than venous pressure but
not greater than arterial pressure
C) the capillary bed collapses and normal blood flow
ceases
D) blood flows through Zone 1, but is impeded to a
certain extent by alveolar pressure
Hypoventilation that results in the retention carbon Ans: B- central chemoreceptors
dioxide (CO2) will stimulate which receptors in an
attempt to maintain a normal homeostatic state?
A) irritant receptors
B) central chemoreceptors
C) peripheral chemoreceptors
D) stretch receptors
