Straighterline Intro to Nutrition Exam 2025/2026 GUARANTEE
A
Which of the following is NOT a characteristic of protein? - Most significant energy source for humans
which class of nutrients comprises 60% of body weight? - Water
What substances, present in fruits and vegetables, provide significa...
Straighterline Intro to Nutrition Exam 2025/2026 GUARANTEE
A
Which of the following is NOT a characteristic of protein? - Most significant energy source for humans
which class of nutrients comprises 60% of body weight? - Water
What substances, present in fruits and vegetables, provide significant health benefits such as reducing
the risk of cancer? - Phytochemicals
which of the following accurately describes the term hypothesis? - an educated guess by a scientist to
explain a phenomenon
A ______ is generally a fake medicine used to disguise the treatments of participants in an experiment. -
placebo
which of the following are substances in plant foods that are not digested in the stomach or small
intestine? - Dietary fiber
A large hamburger (e.g., whopper) sandwich contains 628 kilocalories and 36 grams of fat.
Approximately what percentage of the total energy is contributed by fat? - 52%
A kilocalorie is a measure of - Heat energy
which of the following is not true about water? - provides enrergy
A warning sign or symptom of alcohol poisoning is - Semiconsciousness or unconsciousness
Jeff, a world-class triathlete, visits a dietitian to obtain sports nutrition advice. During his visit, Jeff is
asked to recall what he ate for the past 24 hours. Which part of a nutritional assessment is this? - Dietary
Assessment
,Physical Activity Guidelines for Americans, released in 2008, advise a minimum of minutes per week of
moderate-intensity physical activity for adults. - 150
Measurements of height, weight, body circumferences, and body fat are called - Anthropometry
The Dietary Guidelines recommend limiting intake of _____ to less than 10% of calories. - Saturated fatty
acids
Which of the following is NOT a wise application of MyPlate? - Eliminating foods from the Fruits group to
lose weight
A comparison of the kilocalorie content of a food to the weight of that food is - energy density
When using MyPlate to choose fruits and vegetables, one should include a vitamin C source such as
citrus fruit and a dark green vegetable each day, as a source of - Vitamin A
Tina is consuming 15 mg of iron per day. Her RDA is 18 mg. She has no condition warranting a greater-
than-normal need for iron. Which of the following statements is true about her consumption of this
nutrient? - Only if her intake is consistently less than 70% of the RDA would she be at great risk of
nutritional deficiency.
Which term describes failing health that results from a long-standing dietary intake that is inadequate to
meet nutritional needs? - undernutrition
When a nutrient moves freely from an area of higher solute concentration into an absorptive cell where
the concentration is lower, this is called - Passive diffusion
Which absorptive process in the small intestine requires a carrier and energy to transport nutrients into
absorptive cells - active absorption
A(n) ______________ is a medication that inhibits the ability of gastric cells to secrete hydrogen ions. -
proton pomp inhibitor
, In a passive absorption, nutrients enter the cell - From an area of higher solute concentration to one of
lower concentration
A compound that allows for communication between one cell and the next is a - neurotransmitter
The villi of the small intestine - provide an enormous surface area that facilitates absorption.
Which of the following body organs produces bile? - liver
The ring-like muscles that retard or prevent backflow of partially digested food in the gastrointestinal
tract are called - Sphincters.
Most stomach ulcers are cause by ______ infection. - Helicobacter pylori
What structure prevents food from entering the trachea when you swallow? - Epiglottis
the process that plants use to make glucose from carbon dioxide and water in the presence of the sun's
heat and light is called - photosynthesis
which of the following hormones corrects a hyperglycemic state - Insulin
the world health organization recommends limiting added sugar intake to ______ percent of our total
kilocalories - 10
_______________ is the major monosaccharide found in the body - glucose
which of the following describes the process of starch digestion - starch to maltose to glucose
dietary fiber may play a role in the prevention of _______________ cancer - colon
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