Nokea
A nurse makes the decision to apply a topical anesthetic to a child's skin before drawing blood. Which ethical principle is the nurse demonstrating?
- A. Autonomy
- B. Beneficence
- C. Justice
- D. Truthfulness
Correct Answer: B
Rationale: The nurse is demonstrating the ethical principle of beneficence by applying a topical anesthetic to the child's skin before drawing blood. Beneficence refers to the obligation to act in the best interest of the patient, promoting their well-being and preventing harm. In this case, the nurse is taking proactive steps to minimize the child's discomfort and potential pain during the blood draw procedure, thus upholding the principle of beneficence.
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Hyperparathyroidism is caused by increased levels of thyroxine in blood plasma. A client with this endocrine dysfunction would experience:
- A. Heat intolerance and systolic
- B. Diastolic hypertension and widened hypertension pulse pressure
- C. Weight gain and heat intolerance
- D. Anorexia and hyper-excitability
Correct Answer: A
Rationale: Hyperparathyroidism is caused by increased levels of parathyroid hormone (PTH), not thyroxine. The effects of hyperparathyroidism include increased calcium levels in the blood, which can lead to symptoms such as heat intolerance and systolic hypertension. Systolic hypertension is when the top number in a blood pressure reading is elevated. This is why option A (heat intolerance and systolic hypertension) is the correct choice for a client with hyperparathyroidism. Options B, C, and D do not accurately reflect the symptoms associated with this endocrine dysfunction.
In Langerhans cell histiocytosis (LCH), all the following manifestations are at high risk of mortality in patients EXCEPT
- A. liver
- B. spleen
- C. lung
- D. hematopoietic system
Correct Answer: C
Rationale: Lung involvement, while serious, is less lethal compared to liver, spleen, or hematopoietic system involvement.
The LEAST important advice for a 2-month-old baby with excessive crying is
- A. master the situation in relaxed manner
- B. adhere to precry cues
- C. change milk formula
- D. avoid sensory overstimulation
Correct Answer: C
Rationale: Changing formula is less critical if the baby is gaining weight adequately.
Which of the following types of cells is the immune system's shutoff mechanism?
- A. Plasma cells
- B. Suppressor T cells
- C. Helper T cells
- D. B lymphocytes
Correct Answer: B
Rationale: Suppressor T cells, also known as regulatory T cells, play a critical role in regulating the immune response by acting as the immune system's shutoff mechanism. These cells help maintain immune tolerance and prevent overactivation of the immune system, thereby preventing autoimmune reactions and excessive inflammation. Suppressor T cells exert their immunosuppressive effects by inhibiting the function of other immune cells, such as effector T cells and B cells, and helping to control the overall balance of the immune system.
You are discussing the risk of radiotherapy with the parents of a child with medulloblastoma; the mother has a concern about the late neurological complications post radiotherapy. The statement that should be included in the discussion that late neurological sequelae post radiotherapy is more severe with
- A. focal radiotherapy rather than craniospinal irradiation
- B. children with an age of less than 3 year
- C. concomitant chemo-radiotherapy
- D. low grade tumors rather than high grade tumors
Correct Answer: B
Rationale: Younger children (<3 years) are more susceptible to long-term neurotoxic effects of radiotherapy.