NR 324- Exam 1 Practice Questions |
Questions and Answers complete Solutions
| 2026/27 Updates | 100% correct
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. - ANSWER- -a. carina
A patient asks, "How does air get into my lungs?" The nurse bases her 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. - ANSWER- -d.
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. - ANSWER- -c. 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. - ANSWER- -a. cough reflex.
b. mucociliary escalator.
c. alveolar macrophages.
d. 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. oxygenation status.
c. acidity of the blood.
d. bicarbonate (HCO3-).
e. compliance and resistance. - ANSWER- -a. acid-base balance.
b. oxygenation status.
c. acidity of the blood.
d. bicarbonate (HCO3-).
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. - ANSWER- -b. apprehension and restlessness.
Questions and Answers complete Solutions
| 2026/27 Updates | 100% correct
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. - ANSWER- -a. carina
A patient asks, "How does air get into my lungs?" The nurse bases her 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. - ANSWER- -d.
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. - ANSWER- -c. 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. - ANSWER- -a. cough reflex.
b. mucociliary escalator.
c. alveolar macrophages.
d. 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. oxygenation status.
c. acidity of the blood.
d. bicarbonate (HCO3-).
e. compliance and resistance. - ANSWER- -a. acid-base balance.
b. oxygenation status.
c. acidity of the blood.
d. bicarbonate (HCO3-).
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. - ANSWER- -b. apprehension and restlessness.
