The nurse is taking care of a patient who is newly diagnosed with heart disease. The patient is asking questions about how blood flows through the heart.

The nurse responds, when the left ventricle contracts, it pushes blood through a valve to the:

Pulmonary artery.

Aorta.

Inferior vena cava.

Pulmonary vein.

Answer and Explanation

The Correct Answer is B

Choice A rationale:
The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs, not from the left ventricle.
Choice B rationale:
The aorta is the main and largest artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen.
Choice C rationale:
The inferior vena cava carries deoxygenated blood from the lower half of the body back to the right atrium of the heart, not from the left ventricle.
Choice D rationale:
The pulmonary vein carries oxygenated blood from the lungs to the left atrium, not from the left ventricle.

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Correct Answer is D

Explanation

Choice A rationale:
Vitamin B12 and Vitamin C do not need to be taken together. There’s no known interaction between these two vitamins.
Choice B rationale:
Vitamin C does not help with potassium absorption. It’s known for aiding in the absorption of iron.
Choice C rationale:
Calcium does not aid the body in iron absorption. In fact, calcium can inhibit iron absorption if taken together.
Choice D rationale:
Vitamin D does indeed aid the body in calcium absorption. This is why it’s often recommended to ensure adequate Vitamin D intake for bone health.

A. Allopathic medicine to alternative therapy. B. Complementary therapy to alternative therapy. C. Western medicine to complementary therapy. D. Alternative therapy to allopathic medicine.

Correct Answer is A

Explanation

Choice A rationale:
Allopathic medicine refers to traditional Western medicine. The patient has switched from this to a chiropractor, which is considered an alternative therapy.
Choice B rationale:
Complementary therapies are used in conjunction with allopathic medicine, not in place of it.
Choice C rationale:
The patient has not switched to a complementary therapy, but rather from allopathic medicine to an alternative therapy.
Choice D rationale:
The patient has not switched from an alternative therapy to allopathic medicine, but the other way around.

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The nurse is taking care of a patient who is newly diagnosed with heart disease. The patient is asking questions about how blood flows through the heart. The nurse responds, when the left ventricle contracts, it pushes blood through a valve to the:

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Correct Answer is A

Explanation

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The nurse is taking care of a patient who is newly diagnosed with heart disease. The patient is asking questions about how blood flows through the heart.

The nurse responds, when the left ventricle contracts, it pushes blood through a valve to the: