Nokea
Protein is required by the body for
- A. Producing energy and heat.
- B. Building new tissue.
- C. Manufacturing hormones and enzymes.
- D. Increasing absorption of iron.
- E. Forming antibodies.
- F. Quick energy.
Correct Answer: B,C,E
Rationale: Proteins are essential for tissue growth, hormone/enzyme production, and antibody formation, not primarily for energy or iron absorption.
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Water has several important functions in the body. Which of the following are functions of water?
- A. To help maintain body temperature
- B. To help maintain blood pressure
- C. To dilute the waste products in the blood
- D. To flush toxins from your system
- E. To carry nutrients to the tissue cells
Correct Answer: A,B,C,D,E
Rationale: Water regulates temperature, maintains blood pressure, dilutes waste, removes toxins, and transports nutrients.
The Dietary Guidelines for Americans, 2015-2020, recommend that Americans should develop healthy eating patterns that include which of the following?
- A. Consuming only whole milk, cheese, and yogurt for dairy
- B. Eating grains, half of which are whole grains
- C. Eating a variety of vegetables, including dark green, red and orange, and beans and peas
- D. Limiting protein to beef, chicken, and pork
Correct Answer: B,C
Rationale: The guidelines emphasize whole grains and a variety of vegetables for balanced nutrition.
What are LDL and HDL?
- A. LDL is low-density lipoprotein, often called 'bad cholesterol.'
- B. HDL is high-density lipoprotein, often called 'good cholesterol.'
- C. LDL transports cholesterol to tissues, increasing heart disease risk.
- D. HDL removes cholesterol from tissues, reducing heart disease risk.
Correct Answer: A,B,C,D
Rationale: LDL and HDL are lipoproteins; LDL increases cardiovascular risk, while HDL is protective by removing cholesterol.
The digestive enzymes needed to digest starches and proteins are released from the
- A. Liver and gallbladder.
- B. Lymphatic system.
- C. Pancreas and small intestine.
- D. Cecum.
- E. Ascending colon.
Correct Answer: C
Rationale: The pancreas releases enzymes like amylase and proteases, and the small intestine releases additional enzymes for digestion.
Which of the following groups of individuals require the highest level of water intake for optimal health?
- A. Infants
- B. Sedentary adult women
- C. Pregnant women
- D. Elderly men
- E. Nursing mothers
Correct Answer: E
Rationale: Nursing mothers require higher water intake to support milk production and maintain hydration.