Question 1

Cal takes a vitamin supplement to make sure he has enough biotin in his diet. Instead of the supplement, Cal could just eat more

Accepted Answer

A)  oranges. 
B)  eggs. 
C)  red meat. 
D)  grains. 
A)  oranges. 
B)  eggs. 
C)  red meat. 
D)  grains.

Question 2

-Use the figure to answer the following question. Which of the following can't freely pass through a cell membrane without going through a protein channel?

Accepted Answer

A)  oxygen 
B)  carbon dioxide 
C)  water 
D)  calcium ions 
A)  oxygen 
B)  carbon dioxide 
C)  water 
D)  calcium ions

Question 3

A fat with many unsaturated carbons is called ________.

Accepted Answer

The answer of A fat with many unsaturated carbons is...

Question 4

Which of the following is NOT a macronutrient?

Accepted Answer

A)  water 
B)  carbohydrate 
C)  protein 
D)  vitamin C 
A)  water 
B)  carbohydrate 
C)  protein 
D)  vitamin C

Question 5

Which of the following best describes the structure of the plasma membrane?

Accepted Answer

A)  a single layer of proteins 
B)  a single layer of lipids with proteins embedded in it 
C)  a double layer of proteins 
D)  a double layer of lipids with proteins embedded in it 
A)  a single layer of proteins 
B)  a single layer of lipids with proteins embedded in it 
C)  a double layer of proteins 
D)  a double layer of lipids with proteins embedded in it

Question 6

Phagocytic white blood cells digest many of the invasive bacteria that gain entry into the human body. How could a bacterial cell enter a white blood cell in order to be digested?

Accepted Answer

A)  facilitated diffusion 
B)  active transport 
C)  exocytosis 
D)  endocytosis 
A)  facilitated diffusion 
B)  active transport 
C)  exocytosis 
D)  endocytosis

Question 7

A ________ (two words)has been stripped of most of its nutrients.

Accepted Answer

The answer of A ________ (two words)has been stripped of...

Question 8

Amino acids that cannot be synthesized by the body are called ________ amino acids.

Accepted Answer

The answer of Amino acids that cannot be synthesized by...

Question 9

Trans-fatty acids, which are common in fast food, are a concern to nutritionists because they

Accepted Answer

A)  increase the incidence of clogged arteries. 
B)  decrease the availability of iron to bodily cells. 
C)  cannot be digested by the human body. 
D)  outcompete the enzymes needed for normal bodily functions. 
A)  increase the incidence of clogged arteries. 
B)  decrease the availability of iron to bodily cells. 
C)  cannot be digested by the human body. 
D)  outcompete the enzymes needed for normal bodily functions.

Question 10

Which of the following does not involve molecules moving across cell membranes?

Accepted Answer

A)  osmosis 
B)  facilitated diffusion 
C)  active transport 
D)  induced fit 
A)  osmosis 
B)  facilitated diffusion 
C)  active transport 
D)  induced fit

Question 11

Sports drinks that have a solute concentration that is higher than blood might cause ________ when you drink them.

Accepted Answer

The answer of Sports drinks that have a solute concentration...

Question 12

When you eat a piece of toast that has been spread with butter, your body breaks the food down into mainly

Accepted Answer

A)  amino acids and glycerol. 
B)  glycerol, fatty acids, and monosaccharides. 
C)  monosaccharides and amino acids. 
D)  fatty acids, amino acids, and polysaccharides. 
A)  amino acids and glycerol. 
B)  glycerol, fatty acids, and monosaccharides. 
C)  monosaccharides and amino acids. 
D)  fatty acids, amino acids, and polysaccharides.

Question 13

How many liters of water does an average human need to replace each day by consuming food or drink?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 14

If you put together a plate that included all of the food groups in the proportions that are recommended by the USDA, which of these would take up the largest portion of the plate?

Accepted Answer

A)  fruits 
B)  vegetables 
C)  grains 
D)  meat and beans 
A)  fruits 
B)  vegetables 
C)  grains 
D)  meat and beans

Question 15

Vitamin ________ is water soluble and cannot be synthesized by the body.

Accepted Answer

A)  A 
B)  C 
C)  E 
D)  K 
A)  A 
B)  C 
C)  E 
D)  K

Question 16

Why are whole foods better for your health than processed foods?

Accepted Answer

A)  Whole foods contain more sugars and less fiber, so they're more digestible than processed foods. 
B)  Whole foods have been refined to provide the highest possible calorie content. 
C)  Processed foods may contain antioxidants, which can cause disease. 
D)  Processed foods don't contain all the vitamins and minerals found in whole foods. 
A)  Whole foods contain more sugars and less fiber, so they're more digestible than processed foods. 
B)  Whole foods have been refined to provide the highest possible calorie content. 
C)  Processed foods may contain antioxidants, which can cause disease. 
D)  Processed foods don't contain all the vitamins and minerals found in whole foods.

Question 17

In commercial food manufacturing, hydrogenation is used to

Accepted Answer

A)  make an unsaturated fat more saturated. 
B)  reduce the amount of "empty calories" in a carbohydrate. 
C)  convert fatty acids into amino acids. 
D)  convert vitamins into minerals. 
A)  make an unsaturated fat more saturated. 
B)  reduce the amount of "empty calories" in a carbohydrate. 
C)  convert fatty acids into amino acids. 
D)  convert vitamins into minerals.

Question 18

Why is fiber an important part of a healthful human diet?

Accepted Answer

A)  It is easily digested into monosaccharides, which are used for energy. 
B)  It may decrease the risk of certain types of cancers. 
C)  It increases the amount of HDL and LDL cholesterol in the body. 
D)  It contains more energy, gram for gram, than any other nutrient. 
A)  It is easily digested into monosaccharides, which are used for energy. 
B)  It may decrease the risk of certain types of cancers. 
C)  It increases the amount of HDL and LDL cholesterol in the body. 
D)  It contains more energy, gram for gram, than any other nutrient.

Question 19

What is a major difference between saturated and unsaturated fats?

Accepted Answer

A)  At room temperature, saturated fats are liquid and unsaturated fats are solid. 
B)  Unsaturated fats have a flat molecular structure, but saturated fats are kinked. 
C)  Saturated fat molecules are packed together loosely, but unsaturated fats are tightly packed. 
D)  Unsaturated fats contain carbon-to-carbon double bonds, but saturated fats don't. 
A)  At room temperature, saturated fats are liquid and unsaturated fats are solid. 
B)  Unsaturated fats have a flat molecular structure, but saturated fats are kinked. 
C)  Saturated fat molecules are packed together loosely, but unsaturated fats are tightly packed. 
D)  Unsaturated fats contain carbon-to-carbon double bonds, but saturated fats don't.

Question 20

A decrease in the body's normal water level can cause which of the following problems?

Accepted Answer

A)  muscle cramps 
B)  decreased heart rate 
C)  low body temperature 
D)  increased sweating 
A)  muscle cramps 
B)  decreased heart rate 
C)  low body temperature 
D)  increased sweating

Exam 3: Is It Possible to Supplement Your Way to Better Health?

Cal takes a vitamin supplement to make sure he has enough biotin in his diet. Instead of the supplement, Cal could just eat more

-Use the figure to answer the following question. Which of the following can't freely pass through a cell membrane without going through a protein channel?

A fat with many unsaturated carbons is called ________.

Which of the following is NOT a macronutrient?

Which of the following best describes the structure of the plasma membrane?

Phagocytic white blood cells digest many of the invasive bacteria that gain entry into the human body. How could a bacterial cell enter a white blood cell in order to be digested?

A ________ (two words)has been stripped of most of its nutrients.

Amino acids that cannot be synthesized by the body are called ________ amino acids.

Trans-fatty acids, which are common in fast food, are a concern to nutritionists because they

Which of the following does not involve molecules moving across cell membranes?

Sports drinks that have a solute concentration that is higher than blood might cause ________ when you drink them.

When you eat a piece of toast that has been spread with butter, your body breaks the food down into mainly

How many liters of water does an average human need to replace each day by consuming food or drink?

If you put together a plate that included all of the food groups in the proportions that are recommended by the USDA, which of these would take up the largest portion of the plate?

Vitamin ________ is water soluble and cannot be synthesized by the body.

Why are whole foods better for your health than processed foods?

In commercial food manufacturing, hydrogenation is used to

Why is fiber an important part of a healthful human diet?

What is a major difference between saturated and unsaturated fats?

A decrease in the body's normal water level can cause which of the following problems?

Can Science Cure the Common Cold? Introduction to the Scientific Method

Are We Alone in the Universe? Water, Biochemistry, and Cells

Fat: How Much is Right for You? Enzymes, Metabolism, and Cellular Respiration

Life in the Greenhouse: Photosynthesis and Global Warming

Cancer: DNA Synthesis, Mitosis, and Meiosis

Are You Only as Smart as Your Genes? Mendelian and Quantitative Genetics

DNA Detective: Complex Patterns of Inheritance and DNA Fingerprinting

Genetically Modified Organisms: Gene Expression, Mutation, and Cloning

Where Did We Come From? The Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I? Species and Races

Prospecting for Biological Gold: Biodiversity and Classification

Is the Human Population Too Large? Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live? Climate and Biomes

Organ Donation: Tissues Organs and Organ Systems

Clearing the Air: Respiratory Cardiovascular and Excretory Systems

Vaccinations: Protection and Prevention or Peril? Immune System

Sex Differences and Athleticism: Endocrine Skeletal and Muscular Systems

Is There Something in the Water? Reproductive and Developmental Biology

Attention Deficit Disorder: Brain Structure and Function

Feeding the World: Plant Structure and Growth

Growing a Green Thumb: Plant Physiology

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