Chapter 16 Respiratory Emergencies Flashcards
The most obvious external landmark of the larynx is the: A) cricoid cartilage. B) hyoid bone. C) arytenoid cartilage. D) thyroid cartilage.
D) thyroid cartilage.
On either side of the glottis, tissue forms a pocket called the: A) vallecula. B) piriform fossae. C) cuneiform cartilage. D) hypopharyngeal space.
B) piriform fossae.
The \_\_\_\_\_\_\_\_\_ cartilage forms a complete ring and maintains the trachea in an open position. A) cricoid B) thyroid C) arytenoid D) laryngeal
A) cricoid
Which of the following statements regarding anatomic dead space is correct?
A) Anatomic dead space is about 1 mL per pound of body weight.
B) Air in the dead space participates in pulmonary gas exchange.
C) The amount of dead space increases as tidal volume increases.
D) If tidal volume is 500 mL, 200 mL remains in the dead space.
A) Anatomic dead space is about 1 mL per pound of body weight.
The mainstem bronchus ends at the level of the: A) lobar bronchi. B) bronchioles. C) segmental bronchi. D) subsegmental bronchi.
B) bronchioles.
\_\_\_\_\_\_\_\_ cells are found in the lining of the airways and produce a blanket of mucus that covers the entire lining of the conducting airways. A) Kupfer B) Alveolar C) Ciliary D) Goblet
D) Goblet
What function do the nasal turbinates serve?
A) Separating the left and right nostrils
B) Warming and humidifying inhaled air
C) Decreasing the surface area of the nasopharynx
D) Secreting mucus that traps viruses and bacteria
B) Warming and humidifying inhaled air
What type of medication dries secretions in the airway and prevents the cilia from removing them effectively? A) Diuretic B) Antibiotic C) Antipyretic D) Antihistamine
D) Antihistamine
Wheezing is resolved with medications that:
A) dry up secretions in the lower airway.
B) reduce soft tissue swelling in the larynx.
C) relax the smooth muscle of the bronchioles.
D) cause bronchoconstriction and improved airflow.
C) relax the smooth muscle of the bronchioles.
If the amount of pulmonary surfactant is decreased:
A) alveolar surface tension increases.
B) diffuse alveolar hyperinflation occurs.
C) alveoli are able to expand more easily.
D) pulmonary gas exchange is enhanced.
A) alveolar surface tension increases.
A patient who is experiencing an allergic reaction states that his tongue "feels thick" and speaks at a low volume. You should immediately evaluate for: A) angioedema. B) hypotension. C) a gag reflex. D) adventitious breath sounds.
A) angioedema.
In a person who is not bedridden, most pulmonary infections occur in the: A) middle lobes of the lungs. B) bases of the lungs. C) apices of the lungs. D) upper portion of the lungs.
B) bases of the lungs.
Polycythemia is a condition in which:
A) excess red blood cells are produced in response to chronic hypoxia.
B) an abundance of red blood cells causes severe thinning of the blood.
C) fewer red blood cells are produced, resulting in decreased oxygenation.
D) increased platelet production causes the blood to become abnormally thick.
A) excess red blood cells are produced in response to chronic hypoxia.
Cor pulmonale is defined as:
A) increased preload caused by severe hypertension.
B) left-sided heart failure secondary to mitral valve damage.
C) rupture of the alveoli due to increased surface tension.
D) right-sided heart failure secondary to chronic lung disease.
D) right-sided heart failure secondary to chronic lung disease.
A patent airway:
A) is evidenced by visible chest rise.
B) should be prophylactically suctioned.
C) does not equate to adequate ventilation.
D) is characterized by adequate tidal volume
C) does not equate to adequate ventilation
Hypoventilating patients: A) eliminate too much carbon dioxide. B) become hypercapneic and acidotic. C) experience an increase in blood pH. D) typically do not have an open airway.
B) become hypercapneic and acidotic
Hyperpnea and tachypnea:
A) cause an increase in minute ventilation.
B) are caused by decreased diaphragmatic function.
C) are characterized by shallow chest wall movement.
D) result from decreased negative-pressure ventilation.
A) cause an increase in minute ventilation.
In contrast to negative-pressure ventilation, positive-pressure ventilation:
A) is the forcing of air into the lungs.
B) occurs when the diaphragm descends.
C) is provided with a nonrebreathing mask.
D) can only be provided to intubated patients.
A) is the forcing of air into the lungs.
Difficulty with exhalation is MOST characteristic of: A) supraglottic swelling. B) upper airway obstruction. C) a mild asthma attack. D) obstructive lung disease.
D) obstructive lung disease.
Apneustic breathing is characterized by:
A) a sustained pattern of tachypnea and increased tidal volume.
B) short, brisk inhalations with a long pause before exhalation.
C) regular respirations with a normal rate and adequate tidal volume.
D) a crescendo-decrescendo pattern of breathing with apneic periods.
B) short, brisk inhalations with a long pause before exhalation.
\_\_\_\_\_\_\_\_\_\_\_ respirations are characterized by a grossly irregular pattern of breathing that may be accompanied by lengthy periods of apnea. A) Biot B) Agonal C) Eupneic D) Cheyne-Stokes
A) Biot
An unresponsive patient who overdosed on a central nervous system depressant drug would be expected to have \_\_\_\_\_\_\_\_\_\_ respirations. A) eupneic B) hyperpneic C) bradypneic D) Kussmaul
C) bradypneic
The oropharynx and nasopharynx meet in the back of the throat at the: A) larynx. B) hyoid bone. C) hypopharynx. D) glottic opening.
C) hypopharynx.
Stretch receptors in the lungs are responsible for the \_\_\_\_\_\_\_\_\_\_\_\_ reflex, which causes you to cough if you take too deep a breath. A) Cushing B) Hering-Breuer C) pneumotaxic D) yawning
B) Hering-Breuer