Question 1

Which of the following substances is a nutrient that doesn't supply any energy for the human body?

Accepted Answer

Vitamin C is a nutrient that does not provide any energy to the human body. It is required for various physiological functions but does not contribute to the calorie count of a person's diet. Carbohydrates, fats, and alcohol are all sources of energy, providing four, nine, and seven calories per gram, respectively.

Question 2

A serving of food contains 25 g carbohydrate,10 g protein,8 g fat,5 mg vitamin iron,and 4 ounces of water.Based on this information,a serving of this food supplies

Accepted Answer

Carbohydrates provide 4 kcal/g, proteins provide 4 kcal/g, and fats provide 9 kcal/g. Therefore, the total calories are (25g x 4) + (10g x 4) + (8g x 9) = 100 + 40 + 72 = 212 kcal.

Question 3

The energy value of a raw peach is reported as a number of

Accepted Answer

Kilocalories (kcal) is the standard unit of energy in nutrition, and it is often used to measure the energy value or "caloric content" of food. Milligrams, rads, and thermals are not appropriate units of measurement for energy value.

Question 4

A serving of food contains 20 g carbohydrate,6 g protein,10 g fat,5 mg vitamin C,and 3 ounces of water.Based on this information,a serving of this food supplies

Accepted Answer

The answer of A serving of food contains 20 g...

Question 5

Which of the following nutrients provides energy for humans?

Accepted Answer

Carbohydrates are the primary source of energy for the human body. They are broken down into glucose, which is used by the cells for energy. Vitamin A, iron, and calcium are important nutrients, but they do not provide energy in the same way that carbohydrates do.

Question 6

Which of the following lifestyle choices is the primary cause of most preventable cancer deaths in the United States?

Accepted Answer

Smoking cigarettes is the number one cause of preventable cancer deaths in the United States. It's estimated that cigarette smoking causes about 1 in every 3 cancer deaths in the US, and is directly linked to several types of cancer such as lung, throat, and bladder cancer. Avoiding smoking or quitting smoking altogether is the best way to prevent cancer and improve overall health.

Question 7

Which of the following foods is naturally a rich source of phytochemicals?

Accepted Answer

Grapes are naturally a rich source of phytochemicals, such as resveratrol and quercetin. Margarine and hamburger are not typically associated with phytochemicals, while tuna may contain small amounts but is not as significant a source as grapes.

Question 8

Which of the following substances is a nutrient that doesn't provide any energy for the human body?

Accepted Answer

Water is a nutrient that doesn't provide any energy for the human body. It is essential for many bodily functions, such as regulating body temperature, transporting nutrients and oxygen to cells, and removing waste products.

Question 9

How many kilocalories are in a portion of food that contains 4 g protein,10 g fat,25 g carbohydrate,130 mg vitamin C,and 120 ml water?

Accepted Answer

The answer of How many kilocalories are in a portion...

Question 10

Metabolism is

Accepted Answer

Metabolism refers to all the reactions that take place within the cells of an organism. These reactions involve the breakdown of complex molecules into simpler ones (catabolism) as well as the synthesis of complex molecules from simpler ones (anabolism). Metabolism is essential for the maintenance of life processes in all living organisms.

Question 11

Which of the following substances is a phytochemical?

Accepted Answer

Phytochemicals are chemicals found in plants that have various health benefits. Caffeine is a phytochemical found in certain plants such as coffee and tea. Iron is a mineral, cholesterol is a sterol, and vitamin D is a vitamin.

Question 12

Which of the following foods is a source of phytochemicals?

Accepted Answer

Fresh blueberries are a source of phytochemicals, which are natural compounds found in plant-based foods that provide health benefits beyond basic nutrition. Raw egg whites, fat-free milk, and lean meat do not contain significant levels of phytochemicals.

Question 13

Which of the following behaviors is a risk factor for heart disease?

Accepted Answer

Smoking cigarettes is a well-known risk factor for heart disease, as it can damage blood vessels and lead to plaque buildup in the arteries. Having ADHD, consuming excess vitamin C, and being taller than average are not established risk factors for heart disease.

Question 14

Diet refers to a person's

Accepted Answer

Diet refers to a person's usual pattern of food choices, including both the type and amount of food they typically consume. It can also include dietary restrictions or preferences, such as vegetarianism or gluten-free diets. It is broader than just current nutrient intake or weight loss efforts, and does not necessarily involve negative risk factors.

Question 15

A serving of food contains 2 g carbohydrate,16 g protein,6 g fat,2 mcg vitamin B12,and 60 mg iron.Based on this information,how many kcal does a serving of this food provide?

Accepted Answer

To find the number of calories in the serving of food, we need to use the following formula:

Calories = (grams of carbohydrate x 4) + (grams of protein x 4) + (grams of fat x 9)

Calories = (2 x 4) + (16 x 4) + (6 x 9)
Calories = 8 + 64 + 54
Calories = 126

Therefore, the answer is C) 126.

Question 16

Which of the following conditions is a leading cause of death in the United States that's related to dietary practices?

Accepted Answer

Cancer is a leading cause of death in the United States, and several types of cancer have been linked to dietary practices. Poor diets that are high in processed and red meats, sugars, and refined carbohydrates have been shown to increase the risk of certain types of cancer, such as colorectal, breast, and prostate cancers. Therefore, making healthy dietary choices can help reduce the risk of developing cancer and lower the overall death rates from this disease.

Question 17

Tamika's 52-year-old father died as a result of a condition that is the leading cause of death in the United States.Based on this information,Tamika's father died from

Accepted Answer

Heart disease is the leading cause of death in the United States, accounting for approximately 1 in 4 deaths. Therefore, it is likely that Tamika's father died from heart disease.

Question 18

A serving of food contains 15 g carbohydrate,3 g protein,5 g fat,5 mg vitamin C,and 4 ounces of water.Based on this information,a serving of this food supplies

Accepted Answer

The answer of A serving of food contains 15 g...

Question 19

According to numerous scientific studies,low levels of physical activity are associated with increased chances of developing excess body fat and type 2 diabetes.Based on this information,lack of physical activity is a

Accepted Answer

A risk factor is a condition or behavior that increases the likelihood of developing a particular health problem. In this case, low levels of physical activity increase the chances of developing excess body fat and type 2 diabetes, making it a risk factor.

Question 20

Which of the following nutrients is a source of energy?

Accepted Answer

Protein is a macronutrient that provides energy (4 calories per gram) to the body. Cholesterol, Vitamin D, and Iron are not sources of energy.

Quiz 1: Food Is More Than Something to Eat