Nokea
What are the three types of passive transport?
- A. Diffusion
- B. Titration
- C. Osmosis
- D. Distillation
- E. Filtration
Correct Answer: A,C,E
Rationale: The three types of passive transport are diffusion, osmosis, and filtration.
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When a patient takes substances into the body they first enter the extracellular compartment. What must the substances enter to carry out their function?
- A. Horizontal compartment
- B. Intracellular compartment
- C. Compartmental
- D. Vertical compartment
Correct Answer: B
Rationale: To carry out their function, substances must enter the cell.
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.
The nurse explains to a patient that the drug Lasix reduces edema by drawing water from the interstitial space into the intravascular space. What is this process called?
- A. Diffusion
- B. Filtration
- C. Osmosis
- D. Homeostasis
Correct Answer: C
Rationale: Osmosis is the movement of water from an area of lower concentration to an area of higher concentration.
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.
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. 1:5
- B. 1:10
- C. 1:15
- D. 1:20
Correct Answer: D
Rationale: The ratio needed for homeostasis is 1 part carbonic acid to 20 parts bicarbonate.