The nurse caring for a client who experienced cardiopulmonary arrest and has a mixed respiratory/metabolic acidosis explains to a concerned family member that the mechanical venti-lator can eliminate
a. carbonic acid.
b. lactic acid.
c. phosphoric acid.
d. sulfuric acid.
A
Carbonic acid in the blood can be transformed into hydrogen ions and carbon dioxide, which can be eliminated through the lungs. The other acids are fixed acids that must be excreted in the urine.
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A nurse is careful about limb position in caring for an unconscious patient who sustained a head injury 10 days ago. What is the nurse trying to prevent?
a. Flexion deformities b. Atrophy c. Paralysis d. Pathologic fracture
Direct renin inhibitors have the following properties. They:
1. Are primarily generic drugs 2. Are a renin-angiotensin-aldosterone system (RAAS) medication that is safe during pregnancy 3. Can be used with an angiotensin-converting enzyme and angiotensin II receptor blocker medications for stronger impact 4. "Shut down" the entire RAAS cycle
A client is being instructed to avoid airborne allergens. Which of the following allergens would be considered airborne? (Select all that apply.)
1. Animal dander 2. Eggs 3. Fungal spores 4. Grass pollen 5. Insect stings 6. Milk
The client asks what the difference is between dalteparin (Fragmin) and heparin. What is the nurse's best response?
a. "There is no real difference. Dalteparin is preferred because it is less expensive." b. "Dalteparin is a low-molecular-weight heparin that is more predictable in its effect and has a lower risk of bleeding." c. "I'm not sure why some health care providers choose dalteparin and some heparin. You should ask your doctor." d. "The only difference is that heparin dosing is based on the client's weight."