Midterm Test Q's Flashcards
When compared to freshly prepared foods, how do processed foods generally differ?
They provide few nutrients, they are higher in fat, sugar or salt, they provide more calories
According to the Canadian community health survey, which food of the following groupings do Canadians consume in sufficient amounts?
None of these - Whole grains, fruits and vegetables, plant-based foods
“A measure of the nutrients that a food provides compared to its energy content” What is being described?
Nutrient density
Nutrients have several functions in the body. Which one of the following is NOT a main nutrient function?
Providing immune support
Which is an example of anecdotal information?
A runner reports having more endurance after eating an energy bar
Approximately 1,00 college students were asked to keep a record of the types and amounts of supplemental vitamins they consumed and how many colds they had over the course of a year. The amount of vitamin C consumed was compared with students’ incidences of colds. What type of study was this?
Observational
You are reviewing a website that describes a diet plan to improve the function of the immune system. Which characteristic of this website, described below causes you to be concerned about the websites reliability
The website claims that a university study has proven the effectiveness of the diet plan, but the study has not been published
Which is NOT a goal of the dietary reference intakes? (DRIs)?
Prescribing what a person should eat each day
Which DRIs (Dietary reference intakes) are recommended as targets for intake to ensure that an individual is almost certain of meeting his/her nutrient requirements
ADA and AI
The acceptable macronutrient distribution range (AMDR) for carbohydrate for a healthy adult is approximately 45-65% what does this mean?
a person should consume 45-65% of the total calories eaten daily from carbs
a person consumes a total of 2000 calories each day. 35% of those calories come daily from dietary fat. How would you calculate the number of grams of fat consumed?
multiply 2000 by 0.25. divide the product by 9
Does 2019 Canada food guide have recommendations on portion sizes
no - it states that half of your plate should come from fruits or veggies, quarter from grain, quarter from protein containing food
Which of the following is NOT legally required on a nutrition facts table
calories from fiber
Which statement best describes these two claims:
Claim 1 - on package of tea “increases antioxidant capacity of the blood”
Claim 2- Vitamin C rich food “This food contains vitamin C, a dietary antioxidant”
Claim 1 is a function claim for food, claim 2 is a nutrient function claim
An adequate intake (AI)
Is set for nutrients for which there is not enough research to establish an EAR (Estimated average requirement)
What best describes transit time?
It is the amount of time taken by food to move though the digestive tract
The formation of chyme occurs in which part of the GI tract
Stomach
What is the active protein-digesting enzyme secreted in the gastric juice?
Pepsin
A diseased or poorly operating gallbladder is most likely to interfere with what function
Fat digestion and absorption
what is required in order for the absorption of nutrients by simple diffusion to occur
A concentration gradient
Which statement best describes the absorption of nutrients
From the cells of the small intestine, amino acids and glucose pass into the bloodstream while long chain fatty acids pass into the lymphatic system
“Chyme and digestive juices are moved backward and forward in the small intestine to enhance absorption at the brush border.” What is being described?
Segmentation
After water soluble nutrients are absorbed in the mucosal cells of the small intestine, they are transported where? via what?
to the liver via hepatic vein
what cellular structure is responsible for metabolic reactions that provide energy?
mitochondria
