A nurse is assisting in the care of an adolescent client who has been diagnosed with testicular cancer. The nurse understands that testicular cancer most often develops from mutations of which of the following types of cells?
Leukocytes
Germ cells
Epithelial cells
Lymphocytes
The Correct Answer is B
A. Leukocytes. Leukocytes (white blood cells) are involved in the immune response and are not the primary cells affected in testicular cancer. Cancers of leukocytes include leukemia and lymphoma, not testicular cancer.
B. Germ cells. This is correct. Testicular cancer most commonly arises from germ cells, which are the cells responsible for producing sperm. Germ cell tumors (GCTs) account for over 90% of testicular cancers, including seminomas and non-seminomas.
C. Epithelial cells. Epithelial cells line various tissues and organs, but they are not the primary source of testicular cancer. Epithelial cell cancers, like carcinomas, more commonly affect the skin, lungs, and digestive tract.
D. Lymphocytes. Lymphocytes are a type of white blood cell involved in the immune system. Testicular lymphoma can occur but is rare compared to germ cell tumors, which are the most frequent type of testicular cancer in adolescents and young adults.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["3.8"]
Explanation
Convert the child's weight from pounds to kilograms:
Formula:
kg = lb / 2.2
= 22 lb / 2.2 lb/kg
= 10 kg
Calculate the total daily dose of dexamethasone:
Total daily dose (mg) = Dose (mg/kg/day) × Weight (kg)
= 1.5 mg/kg/day × 10 kg
= 15 mg/day
Calculate the dose to be administered every 6 hours:
Dose per interval (mg/dose) = Total daily dose (mg/day) / Number of doses per day
= 15 mg/day / 4 doses/day
= 3.75 mg/dose
Calculate the volume of dexamethasone oral solution to administer:
Volume (mL) = Dose (mg) / Concentration (mg/mL)
= 3.75 mg / 1 mg/mL
= 3.75 mL
Round to the nearest tenth:
3.75 mL rounded to the nearest tenth is 3.8 mL.
The nurse should administer 3.8 mL per dose.
Correct Answer is A
Explanation
A. Collect data on physical examination. The first priority in managing a suspected head injury is assessing the adolescent's neurological status, airway, breathing, circulation, and level of consciousness. A physical examination helps determine the severity of the injury and guides further interventions.
B. Administer pain medication to the adolescent. While pain management is important, administering medication before assessing neurological status could mask symptoms of worsening intracranial pressure, making it difficult to monitor changes in the adolescent’s condition.
C. Notify the adolescent's primary care provider. Informing the provider is necessary, but it should be done after an initial assessment to provide accurate information about the adolescent’s condition and guide appropriate interventions.
D. Collect a detailed past medical history. While medical history is valuable, it is not the immediate priority in an emergency. The primary concern is assessing the adolescent’s current condition to determine if there are signs of increased intracranial pressure or other serious complications.
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