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Homeostasis of the hydrogen ion concentration in body fluids depends on the ratio of carbonic
acid to bicarbonate in the extracellular fluid. What is this ratio?
a. 1:10
b. 1:15
c. 1:20
d. 1:5 - correct answer c. 1:20
When reading the laboratory report of a patient with excessive diarrhea, the nurse notes that
the pH is 7.10, and the PaCO2 and the PaO2 are normal. What should the nurse recognize as
this patient's state from this information alone?
a. Metabolic acidosis
b. Respiratory alkalosis
c. Metabolic alkalosis
d. Respiratory acidosis - correct answer a. Metabolic acidosis
What should the nurse expect when assessing a patient with respiratory alkalosis?
, a. Slow respirations
b. Strong, even heart rate
c. Muscle weakness
d. Flushed face - correct answer c. Muscle weakness
A patient admitted in a state of extreme anxiety has vital signs of T 98.6°F (37°C), P 81, BP
130/86, R 32. What will result if this hyperventilation continues?
a. Respiratory acidosis
b. Metabolic alkalosis
c. Respiratory alkalosis
d. Metabolic acidosis - correct answer c. Respiratory alkalosis
What should the nurse focus on when creating a nursing care plan for a patient with metabolic
acidosis?
a. Frequent periods of ambulation
b. Deep-breathing exercises
c. Increasing fluid intake
d. Decreasing fluid intake - correct answer b. Deep-breathing exercises
What is the purpose of the cilia?
a. Sweep debris toward nasal cavity.
b. Warm and moisturize inhaled air.
c. Produce mucus.
d. Stimulate cough reflex. - correct answer a. Sweep debris toward nasal cavity.
What happens when there is a decrease in the oxygen level in the blood?
a. The parietal pleura increases the negative pressure.
, b. Chemoreceptors in the carotid body and aortic body stimulate the respiratory centers to
modify respiratory rates.
c. The alveoli diffuse more oxygen into the blood.
d. Pituitary stimulates the respiratory system to increase respiratory rate. - correct answer b.
Chemoreceptors in the carotid body and aortic body stimulate the respiratory centers to modify
respiratory rates.
A patient problem for the patient with a new laryngectomy would be Social isolation related to
impaired verbal communication related to removal of the larynx. What is an appropriate nursing
intervention?
a. Provide a pad and pencil or magic slate.
b. Offer books or jigsaw puzzles for entertainment.
c. Refrain from conversations with the patient to reduce stress level
d. Complete care quickly. - correct answer a. Provide a pad and pencil or magic slate.
A 55-year-old man comes to the health nurse at his place of work with epistaxis. He reports he
has frequent nosebleeds that he can usually control himself. What would be the most helpful
assessment after the nurse has stopped the bleeding?
a. Record the approximate amount of blood lost.
b. Obtain a blood pressure.
c. Record the last episode of epistaxis.
d. Inquire about a headache. - correct answer b. Obtain a blood pressure.
Which instruction by the nurse is inappropriate for teaching the proper technique for collection
of a sputum specimen?
a. Send specimen to the lab without delay.
b. Rinse mouth with water before expectorating in specimen cup.
c. Bring the sputum up from the lungs.
d. Collect specimens after meals. - correct answer d. Collect specimens after meals.