Superfoods Case Studies & Practical Application 2

Question 1

A 45-year-old woman with high LDL cholesterol adds 2 tablespoons of ground flaxseed to her morning oatmeal daily. After 3 months, her LDL dropped 10%. Which compound in flaxseed is most responsible?

Accepted Answer

Soluble fiber (beta-glucan)

Answer

Soluble fiber, particularly beta-glucan in oats combined with flaxseed fiber, binds bile acids and reduces LDL cholesterol reabsorption.

Question 2

A marathon runner incorporates tart cherry juice into her recovery routine post-race. The primary evidence-based benefit she would experience is:

Accepted Answer

Reduced muscle soreness and inflammation

Answer

Tart cherries are rich in anthocyanins with strong anti-inflammatory properties, clinically shown to reduce post-exercise muscle soreness and speed recovery.

Question 3

A nutrition counselor is designing a meal plan for a client with type 2 diabetes. Which superfood pairing would best help manage postprandial blood glucose spikes?

Accepted Answer

Brown rice with cinnamon and chia seeds

Answer

Brown rice provides slow-digesting carbohydrates, chia seeds add soluble fiber that slows glucose absorption, and cinnamon improves insulin sensitivity.

Question 4

An oncology dietitian recommends cruciferous vegetables to a patient in remission from breast cancer. The phytochemical most associated with cancer-protective effects in these vegetables is:

Accepted Answer

Sulforaphane

Answer

Sulforaphane, found in broccoli and other cruciferous vegetables, activates phase II detoxification enzymes and has demonstrated anti-cancer properties in studies.

Question 5

A 60-year-old man concerned about cognitive decline begins eating fatty fish twice weekly. After one year, brain imaging shows improved white matter integrity. The most likely protective mechanism is:

Accepted Answer

DHA incorporation into neuronal cell membranes

Answer

DHA is a structural component of neuronal membranes and myelin sheaths; adequate DHA intake supports white matter integrity and cognitive function.

Superfoods Practice Test

Superfoods Practice Test

Superfoods Case Studies & Practical Application 2