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Question 1:

Which of the following is a potential risk associated with excessive intake of vitamin A supplements?

A) Osteoporosis
B) Anemia
C) Liver toxicity
D) Muscle cramps

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Explanation: The correct answer is C) Liver toxicity. Excessive intake of vitamin A supplements can lead to liver toxicity. Vitamin A is a fat-soluble vitamin, and excess amounts can accumulate in the liver, causing harm to the organ. It is important to follow recommended intake guidelines for vitamin A and consult with healthcare professionals before taking high-dose supplements.

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Question 2:

Which of the following is a potential interaction between St. John's Wort herbal supplement and certain medications?

A) Increased blood clotting
B) Reduced blood pressure
C) Decreased effectiveness of birth control pills
D) Improved sleep quality

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Explanation: The correct answer is C) Decreased effectiveness of birth control pills. St. John's Wort herbal supplement can interact with certain medications, including hormonal contraceptives like birth control pills, reducing their effectiveness. It is important to inform healthcare professionals about all supplements being taken to avoid potential interactions.

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Question 3:

Which of the following is a potential risk associated with excessive intake of iron supplements?

A) Increased risk of bleeding
B) Liver damage
C) Kidney stones
D) Nerve damage

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Explanation: The correct answer is C) Kidney stones. Excessive intake of iron supplements can increase the risk of kidney stone formation. Iron is an essential mineral, but excessive levels in the body can overwhelm the body's ability to eliminate it, leading to the formation of kidney stones. It is important to follow recommended iron intake guidelines and consult with healthcare professionals when taking iron supplements.

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Question 4:

Which of the following is a potential risk associated with excessive intake of caffeine supplements?

A) Increased heart rate
B) Reduced blood sugar levels
C) Decreased blood pressure
D) Improved cognitive function

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Explanation: The correct answer is A) Increased heart rate. Excessive intake of caffeine supplements can lead to increased heart rate and heart palpitations. Caffeine is a stimulant that affects the central nervous system and can have cardiovascular effects, especially in higher doses. It is important to monitor caffeine intake and consider individual tolerance levels.

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Question 5:

Which of the following is a potential risk associated with excessive intake of vitamin E supplements?

A) Increased blood clotting
B) Reduced bone density
C) Liver toxicity
D) Impaired wound healing

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Explanation: The correct answer is A) Increased blood clotting. Excessive intake of vitamin E supplements can interfere with blood clotting mechanisms, leading to an increased risk of bleeding and potential interactions with certain medications. It is important to follow recommended vitamin E intake guidelines and consult with healthcare professionals before taking high-dose vitamin E supplements, particularly for individuals on blood-thinning medications.