Nokea
The following are known to be causes of hepatitis except:
- A. virus
- B. toxin
- C. bacteria
- D. chemicals and drugs
Correct Answer: C
Rationale: Hepatitis is inflammation of the liver, and it can be caused by viruses, toxins, or chemicals and drugs. Bacteria, however, do not typically cause hepatitis. Common viral causes of hepatitis include hepatitis A, B, and C. Toxins like alcohol and certain medications, as well as exposure to chemicals, can also lead to hepatitis. Therefore, bacteria are not considered one of the primary causes of hepatitis.
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The nurse teaches a client with newly diagnosed hypothyroidism about the need for thyroid hormone replacement therapy to restore normal thyroid function. Which thyroid preparation is the agent of choice for thyroid hormone replacement therapy?
- A. Methimazole (Tapazole)
- B. Livothyronine (Cytomel)
- C. Thyroid USP dessicated (Thyroid USP
- D. Levothyroxine (Synthroid) Enseals)
Correct Answer: D
Rationale: Levothyroxine (Synthroid) is the agent of choice for thyroid hormone replacement therapy in clients with hypothyroidism. Levothyroxine is a synthetic form of the thyroid hormone T4 and is considered a stable and reliable medication for thyroid replacement. It is usually well tolerated and has a consistent potency, making it easier to adjust the dosage based on the client's thyroid hormone levels. Levothyroxine is typically taken orally once daily on an empty stomach, preferably in the morning, to ensure optimal absorption. In contrast, Methimazole (Tapazole) is used to treat hyperthyroidism by inhibiting the production of thyroid hormones, Livothyronine (Cytomel) is a synthetic form of the thyroid hormone T3, and Thyroid USP dessicated (Thyroid USP) is a natural preparation derived from porcine thyroid glands,
A pregnant client with hypertension and cardiac dysrhythmias is admitted to the hospital. Which of the following imbalances should the nurse check for?
- A. Metabolic acidosis
- B. Hypernatremia
- C. Hypomagnesemia
- D. Hypercalcemia
Correct Answer: C
Rationale: Hypomagnesemia (low magnesium levels) should be checked for in a pregnant client with hypertension and cardiac dysrhythmias because magnesium plays a critical role in maintaining normal cardiac function and blood pressure regulation. It can worsen both hypertension and dysrhythmias if deficient. Hypomagnesemia can lead to cardiac arrhythmias, particularly in the setting of existing cardiovascular conditions. Monitoring and addressing magnesium levels is important in managing these conditions and ensuring maternal and fetal well-being during pregnancy. Checking for hypomagnesemia allows for timely intervention and correction to help prevent any complications.
To combat the most common adverse effects of chemotherapy, the nurse would administer an:
- A. Antiemetic
- B. Antibiotic
- C. Antimetabolite
- D. Anticoagulant
Correct Answer: A
Rationale: The most common adverse effects of chemotherapy include nausea and vomiting, which can significantly impact the patient's quality of life. An antiemetic is a medication specifically designed to prevent or alleviate nausea and vomiting. By administering an antiemetic, the nurse can help manage these distressing side effects and improve the patient's overall comfort during chemotherapy treatments. Antibiotics are not typically used to combat the side effects of chemotherapy, and antimetabolites and anticoagulants do not address nausea and vomiting associated with chemotherapy.
You are meeting with parents of a 12-year-old girl who recently diagnosed with papillary thyroid carcinoma (PTC). The statement that should be included in your discussion is
- A. PTC has a grim overall prognosis
- B. FTC do not require radioactive iodine therapy
- C. supraphysiologic levothyroxine therapy is required during long-term follow-up
- D. calcitonin/carcinogenic antigen monitoring is required during the course of treatment
Correct Answer: C
Rationale: Levothyroxine suppression therapy is standard in differentiated thyroid cancer.
Chemotherapy has a major role in many childhood CNS tumors. In which of the following tumors is chemotherapy not effective?
- A. pilocytic astrocytoma
- B. craniopharyngioma
- C. pineoblastoma
- D. supratentorial primitive neuroectodermal tumors (SPNETs)
Correct Answer: A
Rationale: Pilocytic astrocytomas are generally low-grade and less responsive to chemotherapy compared to other listed tumors.