HNES Exam 3 Questions and Answers
Vitamin A affects our vision in two ways: it enables us to react to changes in brightness, and it - Answer-
enables us to see different colors.
The leading cause of death for adults in the United States is - Answer-cardiovascular disease (CVD).
Which of the following is a poor source of Beta-Carotene? - Answer-milk
In laboratory blood tests, the marker that indicates the degree of inflammation is called - Answer-C-
reactive protein.
Which of the following statements is TRUE regarding free radicals? - Answer-Free radicals are formed as
a by-product of healthy metabolism.
Vitamin C assists in the formation of a structural protein called - Answer-collagen.
Water formed during oxidative metabolism accounts for what percentage of the water the body needs
each day? - Answer-10 - 14%
The loss of electrons by an atom during metabolism is called - Answer-oxidation.
,Phosphorus absorption is enhanced by - Answer-vitamin D.
As part of the antioxidant enzyme catalase, which of the following helps promote the elimination of
hydrogen peroxide from the body? - Answer-iron
Hypertension affects approximately what percentage of adult Americans? - Answer-33%
Which of the following is a function of vitamin E? - Answer-protecting fatty components of cell
membranes from oxidation
The two most common extracellular ions are - Answer-sodium and chloride.
A highly unstable atom with an unpaired electron is a(n) - Answer-free radical.
Most of the sodium consumed is absorbed from the - Answer-small intestine.
Who would have the highest percent of total body water? - Answer-20-year-old lean male
Which of the following is not a characteristic of vitamin E? - Answer-It is used to make collagen.
Cells regulate the osmotic pressure between their internal and external environments by - Answer-
using transport proteins to pump electrolytes across the cell membrane.
Diets high in sodium are associated with - Answer-hypertension.
, The movement of water from areas where solutes are less concentrated to areas where they are most
concentrated is called - Answer-osmosis.
Unlike sodium, the majority of Americans do not consume enough potassium. The following are ways to
increase consumption except - Answer-eat white and brown rice.
The DRI of water for adult women aged 19 to 50 is ________ of total water per day - Answer-2.7 L
Intracellular fluid consists of - Answer-fluid found within body cells.
Blood pressure exerted in the arteries during heart contractions is called - Answer-systolic
The specific term for agents that can cause cancer is - Answer-carcinogens.
Which of the following hormones requires selenium for its synthesis? - Answer-thyroxine
Regarding second-hand smoke from tobacco products, research indicates that - Answer-there is no risk-
free level of exposure.
Which of the following has NOT been shown to improve blood pressure levels? - Answer-drinking 1 to 2
alcoholic beverages per day
Which region of the brain controls fluid intake? - Answer-hypothalamus
People who are vitamin A deficient may suffer from a condition known as - Answer-night blindness.
A U.S. population group that is at particularly high risk for hypertension is - Answer-African Americans.
Vitamin A affects our vision in two ways: it enables us to react to changes in brightness, and it - Answer-
enables us to see different colors.
The leading cause of death for adults in the United States is - Answer-cardiovascular disease (CVD).
Which of the following is a poor source of Beta-Carotene? - Answer-milk
In laboratory blood tests, the marker that indicates the degree of inflammation is called - Answer-C-
reactive protein.
Which of the following statements is TRUE regarding free radicals? - Answer-Free radicals are formed as
a by-product of healthy metabolism.
Vitamin C assists in the formation of a structural protein called - Answer-collagen.
Water formed during oxidative metabolism accounts for what percentage of the water the body needs
each day? - Answer-10 - 14%
The loss of electrons by an atom during metabolism is called - Answer-oxidation.
,Phosphorus absorption is enhanced by - Answer-vitamin D.
As part of the antioxidant enzyme catalase, which of the following helps promote the elimination of
hydrogen peroxide from the body? - Answer-iron
Hypertension affects approximately what percentage of adult Americans? - Answer-33%
Which of the following is a function of vitamin E? - Answer-protecting fatty components of cell
membranes from oxidation
The two most common extracellular ions are - Answer-sodium and chloride.
A highly unstable atom with an unpaired electron is a(n) - Answer-free radical.
Most of the sodium consumed is absorbed from the - Answer-small intestine.
Who would have the highest percent of total body water? - Answer-20-year-old lean male
Which of the following is not a characteristic of vitamin E? - Answer-It is used to make collagen.
Cells regulate the osmotic pressure between their internal and external environments by - Answer-
using transport proteins to pump electrolytes across the cell membrane.
Diets high in sodium are associated with - Answer-hypertension.
, The movement of water from areas where solutes are less concentrated to areas where they are most
concentrated is called - Answer-osmosis.
Unlike sodium, the majority of Americans do not consume enough potassium. The following are ways to
increase consumption except - Answer-eat white and brown rice.
The DRI of water for adult women aged 19 to 50 is ________ of total water per day - Answer-2.7 L
Intracellular fluid consists of - Answer-fluid found within body cells.
Blood pressure exerted in the arteries during heart contractions is called - Answer-systolic
The specific term for agents that can cause cancer is - Answer-carcinogens.
Which of the following hormones requires selenium for its synthesis? - Answer-thyroxine
Regarding second-hand smoke from tobacco products, research indicates that - Answer-there is no risk-
free level of exposure.
Which of the following has NOT been shown to improve blood pressure levels? - Answer-drinking 1 to 2
alcoholic beverages per day
Which region of the brain controls fluid intake? - Answer-hypothalamus
People who are vitamin A deficient may suffer from a condition known as - Answer-night blindness.
A U.S. population group that is at particularly high risk for hypertension is - Answer-African Americans.
