NUR 120 EXAM 3 | ALL QUESTIONS AND
CORRECT ANSWERS | GRADED A+ |
VERIFIED ANSWERS | LATEST VERSION |
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The key anatomic landmark that separates the upper respiratory tract from
the lower respiratory tract is the
a. carina.
b. larynx.
c. trachea.
d. epiglottis. ---------CORRECT ANSWER-----------------carina.
A patient asks, "How does air get into my lungs?" The nurse bases their
answer on knowledge that air moves into the lungs because of
a. positive intrathoracic pressure.
b. contraction of the accessory abdominal muscles.
c. stimulation of the respiratory muscles by the chemoreceptors.
d. a decrease in intrathoracic pressure from an increase in thoracic cavity
size. ---------CORRECT ANSWER-----------------a decrease in intrathoracic
pressure from an increase in thoracic cavity size.
The nurse can best determine adequate arterial oxygenation of the blood
by assessing
a. heart rate.
b. hemoglobin level.
c. arterial oxygen partial pressure.
d. arterial carbon dioxide partial pressure. ---------CORRECT ANSWER------
-----------arterial oxygen partial pressure.
,Defense mechanisms that help protect the lung from inhaled particles and
microorganisms include the (select all that apply)
a. cough reflex.
b. mucociliary escalator.
c. alveolar macrophages.
d. reflex bronchoconstriction.
e. alveolar capillary membrane. ---------CORRECT ANSWER-----------------
cough reflex.
mucociliary escalator.
alveolar macrophages.
reflex bronchoconstriction.
A student nurse asks the RN what can be measured by arterial blood gas
(ABG). The RN tells the student that the ABG can measure (select all that
apply)
a. acid-base balance.
b. bicarbonate (HCO3-).
c. mixed venous O2 (SvO2).
d. compliance and resistance.
e. partial pressure of O2 (PaO2). ---------CORRECT ANSWER-----------------
acid-base balance.
bicarbonate (HCO3-).
partial pressure of O2 (PaO2).
To detect early signs or symptoms of inadequate oxygenation, the nurse
would examine the patient for
a. dyspnea and hypotension.
b. apprehension and restlessness.
c. cyanosis and cool, clammy skin.
d. increased urine output and diaphoresis. ---------CORRECT ANSWER-----
------------apprehension and restlessness.
During the respiratory assessment of an older adult, the nurse would
expect to find (select all that apply)
,a. a vigorous reflex cough.
b. increased chest expansion.
c. increased residual volume.
d. decreased lung sounds at base of lungs.
e. increased anteroposterior (AP) chest diameter. ---------CORRECT
ANSWER-----------------increased residual volume.
decreased lung sounds at base of lungs.
increased anteroposterior (AP) chest diameter.
When assessing subjective data related to the respiratory health of a
patient with emphysema, the nurse would ask about (select all that apply)
a. date of last chest x-ray.
b. dyspnea during rest or exercise.
c. pulmonary function test results.
d. ability to sleep through the entire night.
e. prescription and over-the-counter medication. ---------CORRECT
ANSWER-----------------dyspnea during rest or exercise.
ability to sleep through the entire night.
prescription and over-the-counter medication.
When auscultating the chest of an older patient in mild respiratory distress,
it is best to
a. begin listening at the apices.
b. begin listening at the lung bases.
c. begin listening on the anterior chest.
d. ask the patient to breathe through the nose with the mouth closed. --------
-CORRECT ANSWER-----------------begin listening at the lung bases.
Which respiratory assessment finding does the nurse interpret as
abnormal?
a. Inspiratory chest expansion of 1 inch
b. Symmetric chest expansion and contraction
c. Resonance (to percussion) over the lung bases
, d. Bronchial breath sounds in the lower lung fields ---------CORRECT
ANSWER-----------------Bronchial breath sounds in the lower lung fields
The nurse is preparing the patient for a diagnostic procedure to remove
pleural fluid for analysis. The nurse would prepare the patient for which
test?
a. Thoracentesis
b. Bronchoscopy
c. Pulmonary angiography
d. Sputum culture and sensitivity ---------CORRECT ANSWER-----------------
Thoracentesis
Which technique would be most appropriate for a patient with mild COPD
to promote airway clearance?
a. Huff coughing
b. Postural drainage
c. Pursed lip breathing
d. High-frequency chest wall oscillation ---------CORRECT ANSWER---------
--------Huff coughing
The major advantage of a Venturi mask is that it can
a. deliver up to 80% O2.
b. provide continuous 100% humidity.
c. deliver a precise concentration of O2.
d. be used while a patient eats and sleeps. ---------CORRECT ANSWER----
-------------deliver a precise concentration of O2.
In a spontaneously breathing patient, the nurse notes tidaling of the water
level in the water-seal chamber of the chest tube drainage system. The
nurse would
a. continue to monitor the patient.
b. check all connections for a leak in the system.
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