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NSC 101 Exam 1 Questions with Complete Answers

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NSC 101 Exam 1 Questions with Complete Answers What organs are responsible for excreting wastes generated by the cells of the body? - Answer-kidneys, liver, lungs, and bladder Body tissues store excess energy in two forms. Which of the following is one of these forms of excess energy storage? -...

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  • August 23, 2024
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  • NSC 101
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NSC 101 Exam 1 Questions with
Complete Answers
What organs are responsible for excreting wastes generated by the cells of the body? -
Answer-kidneys, liver, lungs, and bladder

Body tissues store excess energy in two forms. Which of the following is one of these
forms of excess energy storage? - Answer-glycogen

To signal hunger, the physiological need for food, the digestive tract sends messages to
the ________ by way of hormones and nerves. - Answer-hypothalamus

Within about 24 to 48 hours of eating, a healthy body digests and absorbs about _____
percent of the energy nutrients in a meal. - Answer-90%

What is the primary function of the pyloric valve? - Answer-to control the flow of chyme
into the small intestine

What is a benefit of food irradiation? - Answer-Irradiation eliminates organisms that
cause foodborne illnesses, such as Salmonella and E. coli.

What is the major agency charged with ensuring that the U.S. food supply is safe,
wholesome, sanitary, and properly labeled? - Answer-Food and Drug Administration
(FDA)

How does modified atmosphere packaging (MAP) enhance the safety and shelf-life of
foods? - Answer-by reducing the available oxygen that helps microbes to grow

The USDA inspects the production, manufacturing, and labeling of what type of food? -
Answer-organic

Genetic modification has the potential to eliminate natural toxins in foods. What are two
examples of foods that can be genetically modified to reduce their naturally occurring
toxins? - Answer-cassava and potatoes

Bicarbonate is responsible for _____. - Answer-neutralizing the stomach acid that has
reached the small intestine

All blood leaving the digestive system is routed directly to the _____. - Answer-liver

_____ allow materials to be exchanged between the blood and tissues - Answer-
capillaries

, _____ carry blood towards the heart - Answer-veins

_____ carry blood away from the heart. - Answer-arteries

Which types of cells can engulf and destroy potential pathogens? - Answer-phagocytes

T- cells - Answer-lymphocytes that attack antigens

B- cells - Answer-respond rapidly to infection by releasing invader-fighting proteins, or
antibodies, into the blood

Which organ releases insulin when it detects a high concentration of the blood's sugar,
glucose? - Answer-pancreas

The Food and Drug Administration is the federal agency responsible for enforcing
standards for the wholesomeness and quality of meat, poultry, and eggs produced in
the United States. - Answer-False

Pregnant women, infants, toddlers, older adults, and people with weakened immune
systems are most vulnerable to harm from foodborne illnesses - Answer-True

Food irradiation kills all bacteria, insects, molds, and parasites on and inside of all
irradiation-approved foods. - Answer-False

Irradiation can decrease spoilage and extend the shelf life of foods by destroying or
inactivating organisms such as the mold that produces the carcinogenic toxin aflatoxin. -
Answer-True


Heart disease is a cause of death that is directly related to nutrition - Answer-True

Each year, the US Department of Health and Human Services sets health and nutrition
objectives for the nation. - Answer-False, every 10 years

An organic nutrient is healthier than a non-organic nutrient - Answer-False

Water is an energy yielding nutrient - Answer-False

Three of the classes of nutrients are energy-yielding nutrients - Answer-True

Essential nutrients are nutrients that the body cannot make for itself - Answer-True

Carbohydrate and protein each provide 4 calories per gram - Answer-True

Calorie control is the characteristic of a nutritious diet that ensures energy intake from
food is balanced with energy expenditure. - Answer-True

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