What is considered an acceptable LDL cholesterol level for children and adolescents?
- A. Less than 70 mg/dL
- B. Less than 110 mg/dL
- C. Less than 129 mg/dL
- D. Less than 170 mg/dL
Correct Answer: B
Rationale: An LDL cholesterol level of less than 110 mg/dL is considered acceptable and healthy for children and adolescents. This level helps reduce the risk of cardiovascular diseases. Choices A, C, and D are incorrect because an LDL cholesterol level below 110 mg/dL is the recommended target for children and adolescents to maintain good heart health.
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Cyanocobalamin is a form of which vitamin?
- A. Vitamin B1
- B. Vitamin B2
- C. Vitamin B3
- D. Vitamin B12
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
In the following ingredient list, which is the most abundant by weight? Ingredients: enriched flour, sugars, eggs, soy lecithin, artificial colors, natural flavors, milk.
- A. milk
- B. eggs
- C. sugar
- D. enriched flour
Correct Answer: D
Rationale: The correct answer is 'enriched flour.' In ingredient lists, items are typically listed by weight in descending order. Therefore, the first ingredient, in this case, 'enriched flour,' is the most abundant by weight. Choice A, 'milk,' is not the most abundant as it appears last in the list. Choice B, 'eggs,' and choice C, 'sugar,' also rank lower in the list compared to 'enriched flour,' making them less abundant by weight.
For individuals with lactose intolerance, which of the following foods should be avoided?
- A. Eggs
- B. Milk
- C. Almonds
- D. Beef
Correct Answer: B
Rationale: Individuals with lactose intolerance lack the enzyme lactase needed to break down lactose. Milk contains lactose, a sugar found in dairy products, and should be avoided by individuals with lactose intolerance. Choices A, C, and D are not sources of lactose and are generally well-tolerated by individuals with lactose intolerance.
Causes of acute renal failure include:
- A. chronic renal failure
- B. uncontrolled diabetes mellitus
- C. recurrent urinary tract infections
- D. severe injury such as extensive burns
Correct Answer: D
Rationale: The correct answer is D. Severe injuries, like extensive burns, can cause acute renal failure due to shock, reduced blood flow to the kidneys, and tissue damage. Choices A, B, and C are incorrect because chronic renal failure, uncontrolled diabetes mellitus, and recurrent urinary tract infections are more likely to contribute to chronic kidney disease rather than acute renal failure.
Which outcome has been shown to be most closely associated with breastfeeding infants of mothers who smoke?
- A. poor temperature regulation
- B. vision impairment
- C. vomiting
- D. elevated blood pressure
Correct Answer: C
Rationale: The correct answer is C: vomiting. Infants breastfed by mothers who smoke are more likely to experience vomiting and gastrointestinal issues due to the transfer of nicotine and other harmful substances through breast milk. Choices A, B, and D are incorrect. Poor temperature regulation, vision impairment, and elevated blood pressure are not the primary outcomes closely associated with breastfeeding infants of mothers who smoke.