NCLEX-PN
NCLEX PN Exam Cram
1. A 27-year-old woman has delivered twins in the OB unit. The patient develops a condition of 5-centimeter diastasis recti abdominis. Which of the following statements is the most accurate when instructing the patient?
- A. Avoid sit-ups to prevent worsening the condition.
- B. Surgery is not always necessary for this condition.
- C. Guarding the abdominal region is important at this time.
- D. Antibiotics are not needed for diastasis recti abdominis.
Correct answer: C
Rationale: After experiencing diastasis recti abdominis, it is crucial for the patient to protect and guard the abdominal region to facilitate healing. Choice A is correct since avoiding sit-ups is important to prevent worsening the condition by increasing intra-abdominal pressure. Choice B is accurate as not all cases of diastasis recti abdominis require surgery; conservative management is often effective. Choice D is also correct as antibiotics are not indicated for diastasis recti abdominis since it is a separation of the abdominal muscles and not an infectious condition.
2. Which type of cells secrete insulin?
- A. alpha cells
- B. beta cells
- C. CD4 cells
- D. helper cells
Correct answer: B
Rationale: Beta cells are responsible for secreting insulin. Insulin is produced by beta cells in the pancreas and plays a crucial role in regulating blood sugar levels. Alpha cells secrete glucagon, not insulin (Choice A). CD4 cells are a type of immune cell that helps coordinate the immune response (Choice C). Helper cells are a type of immune cell that aids in activating other immune cells (Choice D). Therefore, the correct answer is beta cells.
3. The test used to differentiate sickle cell trait from sickle cell disease is:
- A. Sickle cell preparation.
- B. Peripheral smear.
- C. Sickledex.
- D. Hemoglobin electrophoresis
Correct answer: D
Rationale: The correct test to differentiate between sickle cell trait and sickle cell disease is hemoglobin electrophoresis. This test separates different types of hemoglobin based on their electrical charge, allowing for the identification of specific hemoglobin variants like HbS in sickle cell disease. Sickle cell preparation and Sickledex are not specific tests for this differentiation. While a peripheral smear can show sickle cells, it does not provide a definitive differentiation between the trait and the disease as it doesn't identify the specific hemoglobin variant present.
4. Levothyroxine (Synthroid) is the drug of choice for thyroid replacement therapy in clients with hypothyroidism because:
- A. it is chemically stable, nonallergenic, and can be administered orally once a day.
- B. it is available in a wide range of concentrations to meet individual client requirements.
- C. it is a prodrug of T3.
- D. it has a long half-life.
Correct answer: A
Rationale: Levothyroxine (Synthroid) is the preferred medication for hypothyroidism due to its chemical stability, nonallergenic properties, and convenient once-daily oral administration. It is safe and effective with minimal side effects when appropriately dosed. Choice B is incorrect because while Levothyroxine is available in various concentrations, it is not the reason it is the drug of choice; the primary reason is its stability and nonallergenic nature. Choice C is wrong as Levothyroxine (T4) is not a prodrug of T3; it is converted to T3 in the body. Option D is inaccurate because Levothyroxine has a long half-life (around 7 days), enabling once-daily dosing, as opposed to a short half-life.
5. Which client should be seen first by the Emergency Department nurse?
- A. A six-year-old with a femur fracture.
- B. A two-year-old with a fever of 102 degrees F.
- C. A three-year-old with wheezes in the right lower lobe.
- D. A two-year-old whose gastrostomy tube came out.
Correct answer: C
Rationale: The priority in the emergency department is to assess and manage clients based on the severity of their condition. In this scenario, the three-year-old with wheezes in the right lower lobe should be seen first because respiratory distress takes precedence over other conditions. Wheezing indicates potential airway compromise, which requires immediate attention to ensure adequate oxygenation. The other options are important but do not pose an immediate threat to the client's airway and breathing. A femur fracture, fever, or a dislodged gastrostomy tube can be addressed after ensuring the child with respiratory distress is stable.
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