NCLEX-PN
NCLEX PN Exam Cram
1. If a client is suffering from thyroid storm, the PN can expect to find on assessment:
- A. tachycardia and hyperthermia.
- B. bradycardia and hypothermia.
- C. a large goiter.
- D. a calm, quiet client
Correct answer: A
Rationale: In thyroid storm, there is an excess of thyroxine, leading to symptoms such as tachycardia (rapid heart rate) and hyperthermia (increased body temperature). Atrial fibrillation and palpitations are also commonly observed. Choices B and C are more indicative of hypothyroidism, where the thyroid is underactive, leading to bradycardia (slow heart rate), hypothermia (decreased body temperature), and the development of a large goiter. Choice D, a calm, quiet client, is unlikely in a thyroid storm where the individual would typically present with symptoms of agitation and restlessness due to the hypermetabolic state.
2. Which of the following lab values would indicate symptomatic AIDS in the medical chart? (T4 cell count per deciliter)
- A. Greater than 1000 cells per deciliter
- B. Less than 500 cells per deciliter
- C. Greater than 2000 cells per deciliter
- D. Less than 200 cells per deciliter
Correct answer: D
Rationale: A T4 cell count of less than 200 cells per deciliter indicates symptomatic AIDS. This severe depletion of T4 cells signifies advanced HIV infection and a significantly compromised immune system. Choices A, B, and C are incorrect because T4 cell counts above 2000, above 1000, or below 500 cells per deciliter, respectively, are not indicative of symptomatic AIDS.
3. Which of the following needs immediate medical attention and emergency intervention? The client who:
- A. complains of sharp pain upon taking a deep breath and excessive coughing.
- B. exhibits yellow, productive sputum, low-grade fever, and crackles.
- C. has a shift of the trachea to the left, with no breath sounds on the right.
- D. has asthma and complains of an inability to catch her breath after exercise.
Correct answer: C
Rationale: Choice C is indicative of a tension pneumothorax, which is considered a medical emergency. The respiratory system is severely compromised, and venous return to the heart is affected. The mediastinal shift is to the unaffected side, indicating a critical situation that requires immediate intervention to prevent further deterioration. This condition can rapidly progress to a life-threatening state, necessitating prompt medical attention. Choices A, B, and D do not present with life-threatening conditions requiring emergency intervention. Choice A mentions symptoms of pleurisy, which may be painful but not immediately life-threatening. Choice B describes symptoms of bronchitis, which may require medical attention but not of an emergent nature. Choice D reflects a common complaint in asthma but does not suggest an immediate life-threatening situation unless severe respiratory distress is present.
4. Metformin (Glucophage) is administered to clients with type II diabetes mellitus. Metformin is an example of:
- A. an antihyperglycemic agent.
- B. a hypoglycemic agent.
- C. an insulin analogue.
- D. a pancreatic alpha cell stimulant
Correct answer: A
Rationale: Metformin is classified as an antihyperglycemic agent because it works by reducing hepatic glucose output and decreasing glucose absorption from the gut, thereby preventing hyperglycemia. Choice B, a hypoglycemic agent, is incorrect as hypoglycemic agents stimulate insulin production, which is not the mechanism of action of metformin. Choice C, an insulin analogue, is incorrect as metformin is not a type of insulin but a distinct medication. Choice D, a pancreatic alpha cell stimulant, is incorrect as metformin does not stimulate any pancreatic cells, but rather acts on the liver and gut to lower blood sugar levels.
5. A healthcare professional is assessing a patient in the rehab unit during shift change. The patient has sustained a TBI 3 weeks ago. Which of the following is the most distinguishing characteristic of a neurological disturbance?
- A. LOC (level of consciousness)
- B. Short-term memory
- C. Babinski sign
- D. Clonus sign
Correct answer: A
Rationale: Level of consciousness (LOC) is the most crucial indicator of impaired neurological function. Changes in LOC can signify various neurological conditions, including traumatic brain injury. Short-term memory, while important, is not the most distinguishing characteristic of neurological disturbances. Babinski and Clonus signs are specific neurological tests that can provide information about upper motor neuron lesions but are not as generalizable as changes in LOC for assessing overall neurological status.
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