A client with terminal cancer is admitted to hospice care.

The daughter is documented as the client’s health care proxy agent.

Which statement made by the nurse demonstrates an understanding of health care proxy and care?

The daughter will make all of the client’s health care decisions.

No extraordinary means, such as cardiopulmonary resuscitation, will be initiated.

The directive takes effect only if the client is incapable of personally making health care decisions.

The closest relative, such as the spouse, must still be consulted before the daughter in making health care decisions.

Answer and Explanation

The Correct Answer is C

The directive takes effect only if the client is incapable of personally making health care decisions. This statement demonstrates an understanding of health care proxy and care because it reflects the definition of a health care proxy as a person who can make health care decisions for the client only when the client is unable to communicate these themselves.

Choice A is wrong because the daughter does not have the authority to make all of the client’s health care decisions, only those that the client has not specified in advance or that are not covered by the living will.

Choice B is wrong because no extraordinary means, such as cardiopulmonary resuscitation, will be initiated only if the client has expressed this preference in a living will or a do-not-resuscitate order.

Choice D is wrong because the closest relative, such as the spouse, does not have to be consulted before the daughter in making health care decisions, unless the client has designated them as an alternate proxy.

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Correct Answer is C

Explanation

This is because it shows a normal pH, pCO2, HCO3 and pO2, indicating that the treatment has been effective in restoring normal gas exchange and acid- base balance.

Choice A is wrong because it shows a low pH, high pCO2 and high HCO3, indicating a mixed respiratory and metabolic acidosis.

Choice B is wrong because it shows a low pH, high pCO2 and low HCO3, indicating a combined respiratory and metabolic acidosis.

Choice D is wrong because it shows a high pH, low pCO2 and low HCO3, indicating a mixed respiratory and metabolic alkalosis.

The normal ranges for arterial blood gas (ABG) are:

pH: 7.35 – 7.45
pO2: 10 – 14 kPa or 75 – 105 mmHg
pCO2: 4.5 – 6 kPa or 34 – 45 mmHg

A. 0.5. B. 50. C. 500. D. 5.

Correct Answer is D

Explanation

The question asks how many milligrams of the medication will be in 1 mL of D5W. To find this, we need to know the concentration of the medication in the solution.

Concentration is the amount of medication per unit volume of solution. We can use this formula:

Concentration = Mass / Volume

We know that 250 mg of the medication is diluted in 500 mL of D5W. So we can plug these values into the formula:

Concentration = 250 mg / 500 mL Simplifying, we get:

Concentration = 0.5 mg / mL

This means that there are 0.5 mg of the medication in every 1 mL of D5W. So the answer is

To check our answer, we can use another formula:

Mass = Concentration x Volume

If we want to find the mass of the medication in 1 mL of D5W, we can multiply the concentration by the volume:

Mass = 0.5 mg / mL x 1 mL Simplifying, we get:

Mass = 0.5 mg

This matches our answer.

The other choices are wrong because they do not use the correct formula or values. Here is why:

Choice A is wrong because it uses the inverse of the concentration (1 / 0.5) instead of the concentration (0.5).

Choice B is wrong because it uses the mass of the medication (250 mg) instead of the concentration (0.5 mg / mL).

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A client with terminal cancer is admitted to hospice care. The daughter is documented as the client’s health care proxy agent. Which statement made by the nurse demonstrates an understanding of health care proxy and care?

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Naxlex Comprehensive Predictor Exams

A client with severe bronchial pneumonia has been receiving oxygen, respiratory treatments, antibiotics, and intravenous fluids. Which arterial blood gas result would indicate that the treatment has been effective?

Correct Answer is C

Explanation

When 250 mg of a medication is diluted in 500 mL of 5% dextrose in water, how many milligrams of the medication will be in 1 mL of D5W?

Correct Answer is D

Explanation

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A client with terminal cancer is admitted to hospice care.

The daughter is documented as the client’s health care proxy agent.

Which statement made by the nurse demonstrates an understanding of health care proxy and care?