Nokea
Which neurotransmitter mediates the sympathetic response?
- A. Norepinephrine
- B. Prostaglandin
- C. Acetylcholine
- D. Serotonin
Correct Answer: A
Rationale: The correct answer is A: Norepinephrine. Norepinephrine is the primary neurotransmitter that mediates the sympathetic response. It is released by sympathetic nerve endings and acts on adrenergic receptors in various target organs to initiate the "fight or flight" response. Prostaglandin, acetylcholine, and serotonin do not directly mediate the sympathetic response and are involved in different physiological processes.
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During a routine check-up, the nurse evaluates a client with rheumatoid arthritis. To assess for the most obvious disease manifestations first, the nurse checks for:
- A. Muscle weakness
- B. Painful subcutaneous nodules
- C. Joint abnormalities
- D. Gait disturbances
Correct Answer: C
Rationale: The correct answer is C: Joint abnormalities. In rheumatoid arthritis, joint abnormalities such as swelling, warmth, and tenderness are the hallmark manifestations. Assessing joint abnormalities first is crucial as they are the primary clinical signs of the disease. Muscle weakness (A) is a common symptom but typically occurs later due to joint inflammation and disuse. Painful subcutaneous nodules (B) are present in some cases but are not as common or prominent as joint abnormalities. Gait disturbances (D) may occur as a result of joint damage, but they are secondary to the primary manifestation of joint abnormalities. By prioritizing the assessment of joint abnormalities, the nurse can promptly identify and address the most prevalent disease manifestations in rheumatoid arthritis.
What is the last step when inserting an IV cannula?
- A. Secure the cannula with tape.
- B. Document the insertion site, date, and type of cannula used.
- C. Assess the site
- D. Place a sterile dressing over the insertion site. INFLAMMATORY AND INFECTIOUS DISTURBANCES Caring for clients with upper respiratory infections
Correct Answer: A
Rationale: The correct answer is A: Secure the cannula with tape. This is the last step in inserting an IV cannula to ensure it stays in place and prevents dislodgement or movement. Securing the cannula with tape helps maintain proper positioning and prevents accidental removal. Documenting the insertion site, date, and type of cannula used (B) is important but typically done earlier in the process. Assessing the site (C) should be done before securing the cannula to ensure proper placement. Placing a sterile dressing over the insertion site (D) is also important, but it usually comes before securing the cannula with tape to maintain a clean and sterile environment.
The nurse is teaching a client with type 1 diabetes mellitus how to treat adverse reactions to insulin. To reverse a hypoglycemic reaction, the client ideally should ingest an oral carbohydrate. However, this treatment isn’t always a possible or safe. Therefore, the nurse should advise the client to keep which alternate treatment on hand?
- A. Epinephrine
- B. 50% dextrose
- C. Glucagon
- D. Hydrocortisone
Correct Answer: C
Rationale: The correct answer is C: Glucagon. In a hypoglycemic reaction, glucagon can be administered to raise blood sugar levels quickly. Glucagon works by stimulating the liver to release stored glucose into the bloodstream. This is crucial in emergencies when oral carbohydrates are not feasible. Epinephrine (A) is used for severe allergic reactions, not hypoglycemia. 50% dextrose (B) is an oral carbohydrate used for hypoglycemia but is not always practical. Hydrocortisone (D) is a corticosteroid used for inflammatory conditions, not for hypoglycemic emergencies.
A patient presents to the emergency department following a motor vehicle crash and suffers a right femur fracture. The leg is stabilized in a full leg cast. Otherwise, the patient has no other major injuries, is in good health, and reports only moderate discomfort. Which is the most pertinent nursing diagnosis the nurse will include in the plan of care?
- A. Posttrauma syndrome
- B. Constipation
- C. Acute pain
- D. Anxiety
Correct Answer: C
Rationale: The correct answer is C: Acute pain. The patient's right femur fracture would likely cause significant pain. Treating the pain is a priority to ensure the patient's comfort and promote healing. Posttrauma syndrome (A) is more applicable for patients experiencing emotional distress following a traumatic event. Constipation (B) may be a concern due to immobility but is not as immediate as managing pain. Anxiety (D) may be present but addressing the acute pain would likely alleviate some anxiety as well.
A nurse finds Mr. Gabatan under the wreckage of the car. He is conscious, breathing satisfactorily, and lying on the back complaining of pain in the back and an inability to move his legs. The nurse should first:
- A. Leave Mr. Gabatan lying on his back with instructions to move and then go seek additional help
- B. Gently raise Mr. Gabatan to a sitting position to see if the pain either
- C. Roll Mr. Gabatan on his abdomen, place, a pad under his head, and cover him with any material available
- D. Gently lift Mr. Gavatan into a flat piece of lumber and using any available transportation, rush him to the nearest medical institution
Correct Answer: C
Rationale: The correct answer is C. Rolling Mr. Gabatan on his abdomen, placing a pad under his head, and covering him with any material available is the appropriate action. This position helps protect his airway and prevents potential complications from a possible spinal injury. It also allows for better assessment of his condition by healthcare professionals.
Choice A is incorrect because leaving Mr. Gabatan on his back and instructing him to move can worsen any spinal injury he may have sustained. Choice B is incorrect because raising him to a sitting position can also exacerbate his condition. Choice D is incorrect because moving him without proper stabilization can lead to further injury.