Nokea
What is the method by which inhaled oxygen is moved into the intravascular compartment called?
- A. Active transport
- B. Oxygenation
- C. Passive transport
- D. Mass movement
Correct Answer: C
Rationale: Passive transport occurs when the patient inhales oxygen into the lungs, with the oxygen passing by diffusion into the intravascular compartment.
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What should the nurse expect when assessing a patient with respiratory alkalosis?
- A. Slow respirations
- B. Muscle weakness
- C. Strong even heart rate
- D. Flushed face
Correct Answer: B
Rationale: Tetany and muscle weakness, tachypnea, and cardiac arrhythmias are symptomatic of respiratory alkalosis.
Sodium is the most abundant electrolyte in the body. The location of electrolytes is important for maintaining homeostasis. Sodium is the major electrolyte in which fluid compartment?
- A. Intracellular
- B. Intravascular
- C. Extracellular
- D. Interstitial
Correct Answer: C
Rationale: Sodium is the major extracellular electrolyte.
Three body systems work at different speeds to keep the pH in the narrow range of normal. What is the order of effectiveness for these three systems?
- A. Blood buffers kidneys and lungs
- B. Kidneys lungs and blood buffers
- C. Blood buffers lungs and kidneys
- D. Lungs kidneys and blood buffers
Correct Answer: C
Rationale: The three systems are blood buffers, lungs, and kidneys. The blood buffers' speed is a fraction of a second, the lungs take minutes, and the kidneys take hours to days.
The nurse weighs a patient at the same time of day with the same scale and same clothing. What is this a simple and accurate method of determining?
- A. An accurate weight
- B. Water balance
- C. Adequate nutrition
- D. Urinary output
Correct Answer: B
Rationale: A simple and accurate method of determining water balance is to weigh the patient under the same conditions each day.
A child has been having an asthma attack for the last 8 hours. Because of the child's inability to exhale effectively the nurse assesses for respiratory __.
Correct Answer: acidosis
Rationale: Retained CO2 will lead to respiratory acidosis.