Nokea
Which instructions will the nurse reinforce for the patient before a magnetic resonance imaging (MRI) procedure?
- A. Void to completely empty the bladder.
- B. Omit all citrus food for 12 hours before the procedure.
- C. Remove all metal, such as jewelry, glasses, and hair clips.
- D. Wear only cotton garments for the procedure.
Correct Answer: C
Rationale: MRI procedures require that the patient remove all metal because it will become magnetized.
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The nurse clarifies to a patient who is being evaluated for possible rheumatoid arthritis that the elevated erythrocyte sedimentation rate (ESR) indicates the presence of which process?
- A. A chronic infection
- B. Poor protein intake
- C. Increased inflammatory reaction in the body.
- D. A poor immune response to a microorganism
Correct Answer: C
Rationale: The ESR indicates an increase in the inflammatory reactions in the body. An elevated ESR does not indicate a chronic infection, poor protein intake or a poor immune response to a microorganism.
Which finding would delay a computed tomography (CT) scan?
- A. Patient's allergy to shellfish or iodine
- B. Patient has a suspected tumor
- C. Patient's allergy to milk products
- D. Patient's gluten intolerance
Correct Answer: A
Rationale: Allergy to shellfish predicts an allergy to iodine, the contrast media used in the CT scan. This test can detect tumors of the soft tissue; it is not contraindicated when the patient has a suspected tumor. Allergy to milk or intolerance to gluten is not a reason to delay a CT scan.
Certain foods may increase the pain associated with gout. Which foods have the highest concentration of purines?
- A. Brain, liver, kidney
- B. Lettuce, corn, potatoes
- C. Beef, pork, chicken
- D. Fruits and fruit juices
Correct Answer: A
Rationale: Foods high in purines, such as brain, kidney, liver, and heart should be avoided, as well as alcohol. Lettuce, meat that does not include organ meats, and fruits do not have a high concentration of purines.
The nurse reinforces instructions for the patient who is to have a unicompartmental knee replacement that which is a major advantage of this partial knee replacement?
- A. the patient will be up and walking 2 to 3 hours after the operation.
- B. the kneecap is completely removed.
- C. the procedure is especially helpful in the treatment of rheumatoid arthritis (RA).
- D. a small titanium disk replaces the worn cartilage.
Correct Answer: A
Rationale: Unicompartmental knee arthroplasty is also referred to as partial knee replacement in which the worn cartilage is replaced with a plastic disk. It is not as invasive as a full knee replacement and does not disturb the kneecap so that the patient can be up and walking in 2 to 3 hours after surgery. It is not recommended for patients with Rheumatoid Arthritis.
Which is the main purpose of traction?
- A. Align and stabilize a fracture.
- B. Prevent deformities.
- C. Relieve muscle spasms.
- D. Promote bed rest.
- E. Increase circulation to the rest of the body.
Correct Answer: A,B,C
Rationale: Skin and skeletal traction provide alignment and stabilize a fracture. This prevents deformities. Traction may also be used to relieve muscle spasms. Traction is not used to promote bed rest or to increase circulation to the rest of the body.