The nurse is preparing a client with breast cancer for BRCA1 and BRCA2 genetic testing. Which pathophysiological process should the nurse use to support client teaching?

The choice of treatment is best determined by the sensitivity of these genetic markers.

BRCA1 and BRCA2 provide protection of mature, functioning breast and ovarian cells.

Mutations in BRCA1 or BRCA2 identify a client’s risk for cancerous cell development in breast tissue.

The prognosis of breast cancer is most successful when these markers are inherited mutations.

Answer and Explanation

The Correct Answer is C

Choice A rationale
While the sensitivity of genetic markers can influence the choice of treatment, it is not the primary pathophysiological process involved in BRCA1 and BRCA2 genetic testing. The main purpose of these tests is to identify genetic mutations that increase the risk of developing certain types of cancer.
Choice B rationale
BRCA1 and BRCA2 do play a role in protecting mature, functioning breast and ovarian cells. However, this is not the primary reason for conducting BRCA1 and BRCA2 genetic testing. The main purpose of these tests is to identify mutations that increase cancer risk.
Choice C rationale

This is the correct answer. Mutations in BRCA1 or BRCA2 can significantly increase a person’s risk for developing breast and ovarian cancer. Therefore, identifying these mutations through genetic testing can help determine a person’s cancer risk.
Choice D rationale
While inherited mutations in BRCA1 and BRCA2 can influence the prognosis of breast cancer, the primary purpose of BRCA1 and BRCA2 genetic testing is to identify mutations that increase cancer risk, not to determine prognosis.

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Correct Answer is C

Explanation

Choice A rationale

While seizure precautions are important for clients receiving certain medications or with certain conditions, they are not typically necessary for clients receiving dopamine. Dopamine, an adrenergic agonist, does not typically increase the risk of seizures.

Choice B rationale

Assessing pupillary response to light hourly is not typically necessary for clients receiving dopamine. Dopamine does not typically affect pupillary response.

Choice C rationale

Measuring urinary output every hour is an important intervention for a client receiving dopamine. Dopamine at low to moderate doses can dilate renal blood vessels, which can increase urine output. Therefore, monitoring urinary output can help assess the effectiveness of the medication and the client’s renal perfusion.

Choice D rationale

While it is important to monitor electrolyte levels in clients receiving certain medications, frequent monitoring of serum potassium is not typically necessary for clients receiving dopamine. Dopamine does not typically affect serum potassium levels.

A. Keep the head of the bed raised 45 degrees. B. Monitor the patient’s blood glucose level. C. Assess the warmth of the patient’s extremities. D. Maintain strict intake and output.

Correct Answer is D

Explanation

Choice A rationale

Keeping the head of the bed raised 45 degrees can help improve lung expansion and reduce the risk of aspiration, which is particularly important for patients who are intubated or receiving enteral nutrition. However, it is not the most important intervention for a patient with septic shock.
Choice B rationale
Monitoring the patient’s blood glucose level is important, especially if the patient is receiving insulin or parenteral nutrition, as these can increase blood glucose levels. However, it is not the most important intervention for a patient with septic shock.
Choice C rationale
Assessing the warmth of the patient’s extremities can provide information about peripheral perfusion and may be useful in monitoring the patient’s response to treatment. However, it is not the most important intervention for a patient with septic shock.
Choice D rationale
This is the correct answer. Maintaining strict intake and output is crucial in managing a patient with septic shock. Fluid balance is a key component of managing septic shock, and accurate intake and output measurements are essential for guiding fluid resuscitation and assessing the patient’s response to treatment.

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The nurse is preparing a client with breast cancer for BRCA1 and BRCA2 genetic testing. Which pathophysiological process should the nurse use to support client teaching?

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