Mari Magabo
Quiz by , created more than 1 year ago

NUTR (EXAM 1) Quiz on Nutrition Practice Exam 1, created by Mari Magabo on 18/09/2016.

5
0
0
Mari Magabo
Created by Mari Magabo over 7 years ago
Close

Nutrition Practice Exam 1

Question 1 of 45

1

Which of the following describes the sum of all chemical reactions that go on in living cells?

Select one of the following:

  • Digestion

  • Metabolism

  • Absorption

  • Catabolism

Explanation

Question 2 of 45

1

What primary factor governs the quality of a food protein?

Select one of the following:

  • Fat content

  • Essential amino acid content

  • Complex carbohydrate content

  • Nonessential amino acid content

Explanation

Question 3 of 45

1

Lipids differ in their degree of saturation or unsaturation due to their number of

Select one of the following:

  • amino acids.

  • double bonds.

  • saccharide units.

  • peptide linkages.

Explanation

Question 4 of 45

1

What is the primary storage form of carbohydrate in the body?

Select one of the following:

  • Fiber

  • Starch

  • Glucose

  • Glycogen

Explanation

Question 5 of 45

1

After swallowing, in what order does food pass through the regions of the GI tract?

Select one of the following:

  • Jejunum, duodenum, colon, ileum, rectum

  • Jejunum, ileum, duodenum, rectum, colon

  • Stomach, duodenum, jejunum, ileum, colon

  • Stomach, jejunum, duodenum, colon, ileum

Explanation

Question 6 of 45

1

Which of the following cannot add fat to the body?

Select one of the following:

  • Alcohol

  • Proteins

  • Carbohydrates

  • Inorganic nutrients

Explanation

Question 7 of 45

1

Which of the following is an example of a catabolic reaction?

Select one of the following:

  • Glucose formation from glycerol

  • Pyruvate formation from glucose

  • Albumin formation from amino acids

  • Palmitic acid formation from acetate

Explanation

Question 8 of 45

1

In comparison to the composition of carbohydrates and fats, which element found in proteins makes them unique?

Select one of the following:

  • Carbon

  • Oxygen

  • Nitrogen

  • Hydrogen

Explanation

Question 9 of 45

1

Any of the following can be used by the body for the synthesis of a nonessential amino acid EXCEPT

Select one of the following:

  • a fragment of fat.

  • an essential mineral.

  • an essential amino acid.

  • a fragment of carbohydrate.

Explanation

Question 10 of 45

1

The application of heat or acid to a protein that causes its shape to change is known as

Select one of the following:

  • stiffening

  • condensation

  • denaturation

  • destabilization

Explanation

Question 11 of 45

1

Which of the following is a feature of fat metabolism?

Select one of the following:

  • Cholesterol is stored primarily on the surface of veins

  • High-density lipoproteins represent the major transport vehicle for delivering fat to the adipose cells

  • Fat storage is highly efficient due to the rapid uptake of the intact triglyceride molecule by adipose cells

  • Triglycerides in the blood must first be broken down to monoglycerides, fatty acids, and glycerol prior to uptake by the adipose cells

Explanation

Question 12 of 45

1

The process by which food is broken down into absorbable components is called

Select one of the following:

  • digestion

  • absorption

  • excretion

  • mastication

Explanation

Question 13 of 45

1

A compound composed of carbon, hydrogen, and oxygen with 3 fatty acids attached to a molecule of glycerol would be known as a

Select one of the following:

  • diglyceride

  • triglyceride

  • phospholipid

  • monoglyceride

Explanation

Question 14 of 45

1

An important function of fat in the body is to

Select one of the following:

  • build muscle tissue.

  • regulate blood glucose levels.

  • protect vital organs against shock.

  • provide precursors for glucose synthesis.

Explanation

Question 15 of 45

1

Which of the following is a characteristic of cholesterol?

Select one of the following:

  • It is absorbed directly into the blood

  • It is a precursor for bile and vitamin D synthesis

  • It is not formed in the body when provided by the diet

  • It is found in abundance in tropical fats such as palm oil

Explanation

Question 16 of 45

1

Which of the following terms is NOT used to classify amino acids in the diet?

Select one of the following:

  • Essential

  • Nonessential

  • Partially essential

  • Conditionally essential

Explanation

Question 17 of 45

1

When two amino acids are chemically joined together, the resulting structure is called a

Select one of the following:

  • dipeptide.

  • diglyceride

  • polypeptide.

  • disaccharide.

Explanation

Question 18 of 45

1

A person who eats a bowl of oatmeal for breakfast every day is most likely making a food choice based on

Select one of the following:

  • habit

  • availability

  • body image

  • environmental concerns

Explanation

Question 19 of 45

1

Which of the following is NOT a mechanism of absorption of nutrients by intestinal cells?

Select one of the following:

  • Diffusion

  • Transmigration

  • Active transport

  • Facilitated diffusion

Explanation

Question 20 of 45

1

What is a bolus?

Select one of the following:

  • Enzyme that hydrolyzes starch

  • Portion of food swallowed at one time

  • Device used to analyze the contents of the stomach

  • Sphincter muscle separating the stomach from the small intestine

Explanation

Question 21 of 45

1

Which of the following is a feature of diabetes?

Select one of the following:

  • Many people with type 2 diabetes are obese

  • Most people who have diabetes require insulin therapy

  • Diabetes results chiefly from excess dietary intake of simple carbohydrates

  • People with type 1 diabetes fail to respond to the insulin made by the pancreas

Explanation

Question 22 of 45

1

Among the following, which would be the least effective method to control blood cholesterol levels?

Select one of the following:

  • Control body weight

  • Eat more insoluble fiber

  • Consume less saturated fat

  • Engage in physical activity

Explanation

Question 23 of 45

1

What is the name given to partially digested food in the stomach?

Select one of the following:

  • Chyme

  • Liquid food

  • Gastric mucus

  • Semiliquid mass

Explanation

Question 24 of 45

1

What type of fatty acid is found in high amounts in olive oil?

Select one of the following:

  • Saturated

  • Monounsaturated

  • Polyunsaturated

  • Partially hydrogenated

Explanation

Question 25 of 45

1

The purpose of bicarbonate in the digestive process is to

Select one of the following:

  • raise the pH of chyme.

  • lower the pH of chyme.

  • hydrolyze large peptides.

  • provide a little fizz in your life.

Explanation

Question 26 of 45

1

When amino acids are deaminated, the immediate products are ammonia and often a

Select one of the following:

  • uric acid.

  • keto acid.

  • folic acid.

  • gluco acid.

Explanation

Question 27 of 45

1

A low risk of cardiovascular disease correlates with high blood levels of

Select one of the following:

  • triglycerides.

  • free fatty acids.

  • high-density lipoproteins.

  • very-low-density lipoproteins.

Explanation

Question 28 of 45

1

When nitrogen taken into the body exceeds nitrogen losses, we say the person is in

Select one of the following:

  • a healthy state.

  • nitrogen equilibrium.

  • positive nitrogen balance.

  • negative nitrogen balance.

Explanation

Question 29 of 45

1

Which part of the GI tract contains highly acidic digestive juices?

Select one of the following:

  • Colon

  • Ileum

  • Stomach

  • Duodenum

Explanation

Question 30 of 45

1

A nutrient needed by the body and that must be supplied by foods is termed a(n)

Select one of the following:

  • neutraceutical

  • metabolic unit.

  • organic nutrient.

  • essential nutrient.

Explanation

Question 31 of 45

1

Bile is known to assist in the absorption of

Select one of the following:

  • fat only.

  • all nutrients.

  • carbohydrate and fat only.

  • carbohydrate, fat, and protein only.

Explanation

Question 32 of 45

1

Which of the following is NOT among the consequences of making poor food choices?

Select one of the following:

  • Over the long term, they will reduce lifespan in some people

  • They can promote heart disease and cancer over the long term

  • Over the long term, they will not affect lifespan in some people

  • When made over just a single day, they exert great harm to your health

Explanation

Question 33 of 45

1

Which of the following is an example of the difference between the chemical bonds in starch and those in cellulose?

Select one of the following:

  • Starch bonds are single

  • Starch bonds are fatty acids

  • Cellulose bonds release energy

  • Cellulose bonds are not hydrolyzed by human enzymes

Explanation

Question 34 of 45

1

Which of the following is a consequence of excess protein intake?

Select one of the following:

  • Decreased excretion of calcium

  • Decreased size of the liver and kidneys

  • Increased production and excretion of urea

  • Increased protein storage by the liver and kidneys

Explanation

Question 35 of 45

1

Which of the following lipids is an essential nutrient?

Select one of the following:

  • Lecithin

  • Cholesterol

  • Stearic acid

  • Linoleic acid

Explanation

Question 36 of 45

1

Which of the following is known as blood sugar or dextrose?

Select one of the following:

  • Glucose

  • Maltose

  • Sucrose

  • Fructose

Explanation

Question 37 of 45

1

If the diet is lacking an essential amino acid, what will be the course of action?

Select one of the following:

  • Body cells will synthesize it

  • Protein synthesis will be limited

  • Health will not be affected as long as other nutrients are adequate

  • Proteins will be made but they will lack that particular amino acid

Explanation

Question 38 of 45

1

Which of the following foods contains cholesterol?

Select one of the following:

  • Corn

  • Olives

  • Roasted turkey

  • Roasted peanuts

Explanation

Question 39 of 45

1

After digestion of proteins, what products are absorbed into the circulation?

Select one of the following:

  • Free amino acids only

  • Free amino acids and oligopeptides

  • Free amino acids and dipeptides only

  • Free amino acids, and a few dipeptides and tripeptides

Explanation

Question 40 of 45

1

What term is specific to reactions in which simple compounds are combined into more complex molecules?

Select one of the following:

  • Anabolic

  • Catabolic

  • Ergogenic

  • Gluconeogenic

Explanation

Question 41 of 45

1

In which of the following are ample amounts of carbohydrates almost always found?

Select one of the following:

  • Plant foods

  • Health foods

  • Animal products

  • Protein-rich foods

Explanation

Question 42 of 45

1

What type of nutrient is starch?

Select one of the following:

  • Fiber

  • Gluten

  • Simple carbohydrate

  • Complex carbohydrate

Explanation

Question 43 of 45

1

The hepatic portal vein empties into the

Select one of the following:

  • liver

  • heart

  • pancreas

  • hepatic vein.

Explanation

Question 44 of 45

1

Nutrients are chemicals obtained from food and used by the body to provide energy.

Select one of the following:

  • True
  • False

Explanation

Question 45 of 45

1

Which of the following describes the anatomy of the gastrointestinal tract?

Select one of the following:

  • A vat-like vessel

  • A rigid, solid tunnel

  • A flexible muscular tube

  • A firm, duct-like channel

Explanation

Previous
Check answer
Next