The nurse is aware that vitamin B12 is absorbed in the:

Duodenum

Stomach

Small intestine

Large intestine

Answer and Explanation

The Correct Answer is C

A.   The duodenum is the first part of the small intestine where a significant amount of digestion takes place, but vitamin B12 is primarily absorbed in the lower part of the small intestine, called the ileum.
B.   The stomach plays a role in releasing intrinsic factor, which helps in the absorption of vitamin B12, but the actual absorption occurs in the small intestine.
C.   Vitamin B12 absorption primarily occurs in the lower part of the small intestine (ileum), facilitated by intrinsic factors.
D.   The large intestine primarily absorbs water and electrolytes; it is not a site for vitamin B12 absorption.

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Correct Answer is A

Explanation

A. Iron is a crucial component of hemoglobin in red blood cells, responsible for carrying oxygen throughout the body.
B. Magnesium is involved in various enzymatic reactions, nerve function, and muscle contractions, but it's not directly involved in oxygen transport.
C. Potassium plays a role in maintaining electrolyte balance and cell function, not in oxygen transport.
D. Phosphorus is essential for bone health, energy metabolism, and cell membrane formation but is not directly involved in oxygen transport.

A. Healthy weight B. Underweight C. Overweight D. Obese

Correct Answer is B

Explanation

A. A BMI in the range of 18.5 to 24.9 is typically considered within the "healthy weight" category.
B. A BMI below 18.5 is categorized as "underweight," indicating a lower-than-ideal body weight for a person's height.
C. A BMI of 25 to 29.9 falls into the "overweight" category.
D. A BMI of 30 or above is classified as "obese."

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The nurse is aware that vitamin B12 is absorbed in the:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is assisting with teaching a class about minerals. Which of the following minerals is needed for the transport of oxygen?

Correct Answer is A

Explanation

A nurse is caring for a client who has a body mass index (BMI) of 18. The nurse should place the client in which of the following BMI categories?

Correct Answer is B

Explanation

For a nurse to perform a nutritional assessment, which of the following is necessary?

The nurse reminds the patient that the salivary glands excrete saliva, which starts the digestion of

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The nurse uses a chart to show an obese patient who is trying to lose weight by counting the calories that each gram of carbohydrate supplies _ calories.

A mainstay of the Asian diet that is a good source of protein is

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The nurse orienting a new patient to the unit would include:

A nurse is assisting with teaching a client about water-soluble vitamins. Which of the following vitamins should the nurse include?