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WorksheetsDefining Lipids and Triglycerides Midterm 1
Total questions: 20
Worksheet time: 10mins
Which group of compounds is covered by the chemical term lipid?
Proteins, sugars, nucleic acids
Only cholesterol and lecithin
Fats, oils, cholesterol, lecithin
Only fats and oils
Identify the most abundant lipids found in nature across plants and animals.
Phospholipids
Steroids
Fats and oils
Waxes
A lipid that is solid at room temperature is typically called what?
A sterol
An oil
A fat
A wax
Most lipids in foods and in the human body are in which form?
Free fatty acids
Phospholipids
Triglycerides
Sterols
Which foods are most directly shown as contributors to triglyceride levels in the bloodstream in the diagram?
Citrus fruits and melons
Nuts and oily fish
Leafy greens and legumes
Whole grains and berries
Dairy, eggs, and fatty meats
What happens to excess calories after a meal when immediate energy is not required?
Converted into triglycerides for storage
Excreted unchanged in the urine
Stored as amino acids in muscles
Converted directly into glycogen only
Oxidized completely in the liver
Which food category depicted most directly contributes to elevated triglyceride levels when consumed in excess?
Alcoholic beverages with mixers
Leafy vegetables without oils
Legumes cooked without fats
Whole fruits with fiber
Which function of lipids directly helps maintain muscle performance during prolonged activity?
Providing much of the energy for work
Reducing oxygen demand during exercise
Eliminating the need for carbohydrates
Converting protein into structural lipids
What does the protein-sparing action of fats mean in practical terms?
Fats are burned only after proteins are used
Fats prevent all protein breakdown in the body
Fats convert protein to glucose during fasting
Fats supply energy so protein performs its functions
Which statement best distinguishes saturated from unsaturated fatty acids?
Saturated contain maximum hydrogens, unsaturated have double bonds
Saturated have double bonds, unsaturated are fully hydrogenated
Both have multiple double bonds and fewer hydrogens
Both lack double bonds but differ in chain length only
Monounsaturated fat is best characterized as a triglyceride made of mostly monounsaturated fatty acids. Which source is it mostly associated with in the material?
Animal origin sources
Plant origin sources
Marine mineral sources
Fungal origin sources
Which option lists only saturated fat sources?
Olive oil, peanut oil, canola
Sunflower oil, sesame oil, corn
Cheese, beef, butter
Corn oil, sesame oil, soybean
Which food is primarily a monounsaturated fat source?
Olive oil
Corn oil
Sunflower oil
Margarine
Which sequence correctly matches category to example?
Saturated fat – canola oil
Saturated fat – butter
Polyunsaturated fat – peanut oil
Monounsaturated fat – sunflower oil
You plan to reduce saturated fat intake. Which substitution aligns with that goal?
Replace canola oil with whole milk
Replace butter with olive oil
Replace corn oil with margarine
Replace olive oil with beef fat
Which set contains only plant-derived oils from the list?
Peanut, whole milk, sesame
Whole milk, margarine, ice cream
Beef, butter, cheese
Corn, sesame, sunflower
Which category most likely includes full-fat dairy products on the chart?
Polyunsaturated fat
Trans fat
Monounsaturated fat
Saturated fat
Which group best represents monounsaturated oils from the list?
Whole milk, margarine, ice cream
Butter, cheese, beef
Corn, sesame, sunflower
Olive, canola, peanut
Identify the item that does not belong with the others in its option set.
Butter, margarine, sesame
Olive, canola, peanut
Corn, soybean, sunflower
Cheese, beef, whole milk
Which misconception about cholesterol is best corrected by current understanding?
Cholesterol plays no role in hormones
Cholesterol is needed for normal function
Cholesterol cannot form bile acids
Cholesterol exists only in the bloodstream
