A patient is being started on oxygen therapy for an oxygen saturation level of 84% on room air. The nurse expects that this therapy will be effective if oxygen enters the blood through which physiological process?
1. Osmosis
2. Fluid shift
3. Diffusion
4. Concentration gradient
Answer: 3
You might also like to view...
The physician orders bismuth subsalicylate (Pepto-Bismol) for your patient. What assessment is most important to make before administering this medication?
A) Assess for pain B) Assess electrolytes C) Assess for allergy to aspirin D) Assess for allergy to opioids
A four-year-old girl has been treated for three urinary tract infections (UTI) in the last two years
Which instructions can the nurse give to the mother to help reduce the child's risk of acquiring another UTI? Standard Text: Select all that apply. 1. Wear only nylon underwear for better air flow. 2. Teach the child to wipe from front to back. 3. Encourage the child to take long baths by allowing the child bubbles and toys in the tub. 4. Encourage the child to drink additional fluids throughout the day. 5. Plan potty breaks every two hours throughout the day.
The psychiatric–mental health nurse is asked to consult with an emergency room nurse about a client who has been refusing to cooperate with lab work for over four hours
The client appears frightened, answers questions reluctantly, and has no family present. Which response of the psychiatric–mental health nurse demonstrates a humanistic–interactional approach to the situation? 1. "Have you asked if the client wants to have a friend or family member to be here?" 2. "Have you offered medication for anxiety?" 3. "Give the client some time alone to decide whether or not to accept treatment." 4. "I would ask for a full psychiatric evaluation before discharge."
A 76-year-old patient is receiving IV heparin 5,000 units every 8 hours. An activated thromboplastin time (aPTT) is drawn 1 hour before the 8:00 AM dose; the aPTT is at 3.5 times the control value. What is the nurse's priority action?
A) Give a larger dose to increase the aPTT. B) Give the dose as ordered and chart the results. C) Check the patient's vital signs prior to administering the dose. D) Hold the dose and call the result to the physician.