how much energy is required to raise the temperature of one kilogram liter of water 1c
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Nutrition Final Exam

1. How much energy is required to raise the temperature of one kilogram of water by 1°C?

Correct answer: C

Rationale: The correct answer is 1 kilocalorie. This is the amount of energy required to raise the temperature of 1 kilogram of water by 1°C. Choice A (10 calories) and Choice D (10 kilocalories) are incorrect as they do not represent the correct unit of measurement for this specific scenario. Choice B (100 calories) is also incorrect as it overestimates the amount of energy required. The specific heat capacity of water is approximately 1 calorie/gram °C, which means that 1 kilogram (1000 grams) of water requires 1 kilocalorie (1000 calories) to raise its temperature by 1°C.

2. What should be assessed in a child with suspected appendicitis?

Correct answer: B

Rationale: The correct answer is to assess bowel sounds and pain location. In a child with suspected appendicitis, focusing on bowel sounds and pain location, particularly in the lower right quadrant, is crucial. This assessment helps to identify symptoms commonly associated with appendicitis. Assessing the level of consciousness (Choice A) is important in other conditions such as head injuries or neurological issues. Skin color and temperature (Choice C) are more indicative of circulatory or skin-related problems. Heart rate and blood pressure (Choice D) are vital signs that are essential to assess in various conditions but are not specific to suspected appendicitis.

3. What is a common sign of congenital hip dysplasia in infants?

Correct answer: B

Rationale: Limited range of motion in the hip, often noted as a limitation in abduction, is a common sign of congenital hip dysplasia. This limitation is due to the abnormal development of the hip joint, affecting its movement. Symmetrical hip movement (Choice A) is not a characteristic sign of congenital hip dysplasia. Swelling of the knees (Choice C) is not typically associated with this condition. Dislocated patella (Choice D) refers to a different anatomical structure and is not a common sign of congenital hip dysplasia.

4. Which nutrient is classified as a micronutrient?

Correct answer: A

Rationale: The correct answer is minerals. Micronutrients are required by the body in smaller amounts compared to macronutrients like proteins and carbohydrates. Proteins are macronutrients necessary for growth and repair, not classified as micronutrients. Alcohols and carbohydrates are not classified as micronutrients either.

5. What is a common sign of a respiratory infection in infants?

Correct answer: B

Rationale: Rapid breathing is a common sign of a respiratory infection in infants. When infants have a respiratory infection, their breathing may become rapid as their body tries to get more oxygen. This symptom is often seen alongside cough and fever. Increased appetite (Choice A) is not typically associated with respiratory infections but can be seen in other conditions. Decreased urine output (Choice C) is more indicative of dehydration or kidney issues rather than a respiratory infection. Lethargy (Choice D) can be a symptom of various illnesses but is not as specific to respiratory infections as rapid breathing.

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