Nokea
In pediatric rhabdomyosarcoma, stages are dependent on primary site whether favorable or unfavorable. Which of the following sites of involvement is considered unfavorable?
- A. vagina
- B. uterus
- C. testis
- D. paranasal sinuses
Correct Answer: D
Rationale: Paranasal sinuses are considered unfavorable sites in rhabdomyosarcoma staging.
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Beta-adrenergic agonists such as albuterol are given to Reggie, a child with asthma. Such drugs are administered primarily to do which of the following?
- A. Dilate the bronchioles
- B. Reduce secondary infections
- C. Decrease postnasal drip
- D. Reduce airway inflammation
Correct Answer: A
Rationale: Beta-adrenergic agonists like albuterol primarily work by relaxing and dilating the bronchioles, which are the smaller airways in the lungs. This leads to quick relief of asthma symptoms such as wheezing, shortness of breath, and chest tightness. By opening up the airways, these medications help improve airflow and make it easier for the individual to breathe. Beta-adrenergic agonists do not directly reduce airway inflammation, but they do provide immediate relief during an asthma attack by targeting bronchoconstriction.
The nurse has been teaching an adult who has iron deficiency anemia about those foods that she needs to include in her meal plans. Which of the following, if selected, would indicate to the nurse that the client understands the dietary instructions?
- A. Citrus fruits and green leafy vegetables
- B. Bananas and nuts
- C. Coffee and tea
- D. Dairy products
Correct Answer: A
Rationale: Citrus fruits and green leafy vegetables are good sources of vitamin C and non-heme iron, which can help improve iron absorption in individuals with iron deficiency anemia. Bananas and nuts do not have a direct impact on iron absorption. Coffee and tea contain compounds that can inhibit iron absorption. Dairy products, while an important part of a balanced diet, do not specifically aid in improving iron levels. Thus, selecting citrus fruits and green leafy vegetables indicates that the client understands the dietary instructions provided by the nurse to manage iron deficiency anemia.
Which of the following malignant tumors is least likely to occur in adults in comparison with children?
- A. acute Lymphoblastic Leukemia (ALL)
- B. osteosarcoma
- C. medulloblastoma
- D. retinoblastoma
Correct Answer: D
Rationale: Retinoblastoma predominantly occurs in children under 5 years of age, making it the least likely to occur in adults.
Management of the foregoing patient should include:
- A. Regular diet with extra fruits and green vegetables
- B. Potassium-sparing diuretics
- C. Discontinuance of any oral magnesium salts
- D. All of the above measures
Correct Answer: C
Rationale: The patient's symptoms of muscle weakness and fatigue are likely due to hypermagnesemia, which is an excess of magnesium in the blood. Hence, the management should include discontinuing any oral magnesium salts that the patient may be taking. This will help in correcting the magnesium imbalance and improving the patient's symptoms. Regular diet modifications and potassium-sparing diuretics are not indicated for the treatment of hypermagnesemia and may not address the underlying cause in this case.
Which antiparkinsonian drug is associated with the on-off phenomenon and the wearing-off effect?
- A. Amantadine
- B. Levodopa
- C. Benztropine
- D. Pramixole
Correct Answer: B
Rationale: Levodopa is the antiparkinsonian drug associated with the on-off phenomenon and the wearing-off effect. The on-off phenomenon refers to the sudden and unpredictable fluctuations between periods of symptom control (on) and periods of symptom re-emergence (off) in patients with Parkinson's disease receiving levodopa therapy. This can happen as the disease progresses and the brain becomes less responsive to the medication.