The nurse suspects that a patient has polycythemia vera based on which finding in the patient's laboratory reports? Select all that apply.
One, some, or all responses may be correct.

Increased cobalamin levels.

Decreased histamine levels.

Increased hemoglobin levels.

Increased red blood cell levels.

Answer and Explanation

Correct Answer : C,D

Choice A rationale:
Increased cobalamin levels are not indicative of polycythemia vera. Polycythemia vera is characterized by an increase in the total red blood cell mass. Elevated cobalamin levels are not specific to this condition.
Choice B rationale:
Decreased histamine levels are not a diagnostic marker for polycythemia vera. Histamine levels are not typically associated with this disorder.
Choice C rationale:
Increased hemoglobin levels are a significant finding in polycythemia vera. Polycythemia vera is a disorder characterized by an abnormal increase in the number of red blood cells, leading to elevated hemoglobin levels.
Choice D rationale:
Increased red blood cell levels are a hallmark feature of polycythemia vera. The increased production of red blood cells leads to elevated red blood cell levels, which is a key diagnostic indicator for this condition.

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Correct Answer is B

Explanation

Choice A rationale:

The base does interact with acids in the acid-base balance. Bases, by definition, are substances that can accept hydrogen ions (protons) and neutralize acids. In the context of acid-base balance, bases help regulate the pH of body fluids by counteracting the effects of acids.

Choice B rationale:

The role of the base in the acid-base balance is to promote the excretion of acid. Bicarbonate ions (HCO3-) are a vital component of the body's buffering system, helping to neutralize excess acid. The kidneys play a crucial role in excreting acids from the body, maintaining the acid-base balance.

Choice C rationale:

The base does not activate the system of acid-base balance; instead, it is part of the body's natural buffering system. The acid-base balance is regulated by the lungs and kidneys, which work together to maintain the pH of body fluids within a narrow range (7.35-7.45)

Choice D rationale:

Bases do not increase the action of hydrogen ions. In fact, bases neutralize hydrogen ions, which are acidic. By accepting these ions, bases help to decrease the acidity of a solution, playing a key role in maintaining the body's acid-base balance.

A. "I will take my iron supplement with a straw.” B. "I will take my iron supplement at bedtime.” C. "I will take my iron supplement along with meals.” D. "I will take my iron supplement along with orange juice.”

Correct Answer is C

Explanation

The correct answer is choice c. “I will take my iron supplement along with meals.”

Choice A rationale:

Taking iron supplements with a straw is recommended to prevent staining of the teeth, which is a common side effect of liquid iron supplements.

Choice B rationale:

Taking iron supplements at bedtime can be beneficial for some patients, especially if they experience gastrointestinal discomfort when taking iron during the day.

Choice C rationale:

Taking iron supplements with meals can decrease the absorption of iron. Iron is best absorbed on an empty stomach, although it can be taken with food if gastrointestinal upset occurs.

Choice D rationale:

Taking iron supplements with orange juice is recommended because vitamin C enhances the absorption of iron.

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The nurse suspects that a patient has polycythemia vera based on which finding in the patient's laboratory reports? Select all that apply. One, some, or all responses may be correct.

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Naxlex Comprehensive Predictor Exams

Which role is attributed to the base in the acid-base balance?

Correct Answer is B

Explanation

The nurse is teaching a patient about the administration of liquid iron supplements. Which response by the patient indicates the need for additional teaching?

Correct Answer is C

Explanation

A patient who smokes reports chest pain while at rest.Which condition would the nurse suspect the patient is experiencing?

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A patient's blood pressure (BP) reading is 142/91 mm Hg. How would the nurse classify the BP?

Which information would the nurse include when discussing pain due to chronic stable angina with the patient?

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The nurse suspects that a patient has polycythemia vera based on which finding in the patient's laboratory reports? Select all that apply.
One, some, or all responses may be correct.