ACTUAL Exam Questions and CORRECT
Answers
Which organelle participates in the chemical processes that transfers energy from the chemical
bonds of nutrient molecules to newly created ATP molecules? - CORRECT ANSWER -
mitochondria
The body's main source of energy is _____________ and should be the major part of total daily
food intake. - CORRECT ANSWER - carbohydrates
To be considered an essential nutrient, a substance must have all these characteristics except...
(a) it has a specific biological function.
(b) removal from the diet leads to a decline in human biological function.
(c) return of the omitted substance to the diet if done before permanent damage occurs, restores
normal biological function impaired by its absence.
(d) it is made in abundance by the body.
(e) none of the above. - CORRECT ANSWER - (d) it is made in abundance by the body.
Nutrient dense refers to foods that - CORRECT ANSWER - provide more nutrients
relative to calories
Several ways we use energy include
(a) basal metabolism
(b) thermic effect of food
(c) physical activity
(d) non-exercise activity thermogenesis
(e) all of the above - CORRECT ANSWER - (e) all of the above
, Fiber is primarily made of - CORRECT ANSWER - carbohydrates
An antioxidant, such as vitamin C, can donate electrons to higher reactive compounds. The loss
of electrons is - CORRECT ANSWER - oxidation
Which of the following are true about enzymes?
(a) Enzymes are biological catalysts.
(b) Enzymes lower the activation energy for a reaction.
(c) Enzymes are very specific in their action.
(d) Enzymes increase the rate of a reaction.
(e) All the above - CORRECT ANSWER - (e) All the above
An investigator plans to test a hypothesis. She designs and performs experiments to test that
hypothesis. Her studies can be considered
(a) cohort studies
(b) prospective studies
(c) retrospective studies
(d) case-control studies
(e) observational studies - CORRECT ANSWER - (b) prospective studies
When going from an ordered state to a disordered state, - CORRECT ANSWER - energy
is released
What are the functions of water in our body?
(a) Modulates body temperature
(b) Works as a solvent
(c) transport fat-soluble substances
(d) a and b