Exam 5: Lipids: Essential Energy-Supplying Nutrients

Which type of essential fatty acid is found in fish or fish oils?

Where in the body are the majority of triglycerides stored for future energy needs?

Stephan is packing his food for a mountaineering trip. He would like to carry foods that provide the maximum amount of kilocalories relative to their weight and volume. He decides to focus on foods that provide a significant amount of kilocalories from fat. Is this strategy advisable? Why or why not?

Which of the following substances is classified as a lipid?

Which of the following is a function of eicosanoids?

What is hydrogenation? Discuss the risks and benefits of hydrogenation. Would you recommend that the Canadian government ban trans fats as has been done in other countries?

The two essential fatty acids are:

Phospholipids are not considered to be essential nutrients. Why?

Diets high in ________ have been shown to increase blood levels of high-density lipoproteins (HDL).

A website for a new high protein diet advertises that it is important to replace dietary fat from plant and animal sources with foods high in protein such as beef, chicken, and pork to reduce your risk for prostate and breast cancer. Would you make these dietary changes to reduce your risk of cancer? Why or why not?

The primary emulsifiers in bile are called:

A fatty acid comprised of a 16 carbon chain containing the maximum amount of hydrogens is called a:

Amelia explains to you that she is going to start a very-low-fat diet where only 10% of her total kilocalories will come from fat. She explains that she will lose weight more quickly on this diet because fat is more energy dense than protein or carbohydrates. What advice would you give Amelia about her very-low-fat diet?

Mathew has recently been to the doctor and had his blood lipid levels tested. The doctor tells him that his total cholesterol is 6.5 mmol/L and his HDL-cholesterol levels are 0.8 mmol/L. What would you say to Mathew about his cholesterol levels?

Yesterday Shannon consumed 250 grams of carbohydrate, 75 grams of protein, and 60 grams of fat. Approximately what percentage of her total energy for the day intake came from fat?

During triglyceride digestion, two fatty acids are removed and the resulting molecule is called a:

Compare and contrast the triglycerides, phospholipids and sterols with respect to their primary function in the body.

Given what you know about the molecular structure of omega-3 fatty acids, explain why you would expect to find that cold water fish are an excellent source of omega-3s.

Jenny tells you that she has recently decided to switch to a vegan diet that does not contain any animal products. She knows that cholesterol is involved in the production of hormones and is concerned that a vegan diet will negatively impact her estrogen levels. Do you agree? Why or why not?

Which of the following is considered to be a risk factor for cardiovascular disease?