Nutrition and Lifestyle Flashcards

According to IAHC guidelines, which macronutrient is the primary source of energy for the brain and central nervous system?

Answer: Carbohydrates

Carbohydrates are the brain's preferred and primary fuel source, providing glucose that powers cognitive and nervous system functions.

When coaching clients on sleep hygiene as part of a lifestyle intervention, IAHC recommends adults aim for how many hours of sleep per night?

Answer: 7–9 hours

The CDC and IAHC-aligned guidelines recommend 7–9 hours of sleep per night for adults to support optimal health outcomes.

A health coach working under IAHC principles encourages a client to adopt the 'plate method.' What does the plate method primarily involve?

Answer: Dividing the plate into portions of vegetables, protein, and grains

The plate method divides a standard plate into half vegetables, one-quarter lean protein, and one-quarter whole grains to guide balanced eating without calorie counting.

Which lifestyle factor does IAHC recognize as having a bidirectional relationship with obesity?

Answer: Chronic stress

Chronic stress increases cortisol, which promotes fat storage and cravings, while obesity itself can elevate stress hormones, creating a bidirectional cycle.

An IAHC-certified coach is helping a client reduce sodium intake. Which food category is typically the largest source of dietary sodium in the American diet?

Answer: Processed and packaged foods

Processed and packaged foods account for roughly 70% of sodium intake in the US diet, far exceeding salt added during cooking or at the table.

In IAHC lifestyle coaching, 'non-exercise activity thermogenesis' (NEAT) refers to which of the following?

Answer: Energy expended in all movement outside formal exercise

NEAT encompasses all energy burned through daily movements such as walking, standing, and fidgeting that are not part of planned exercise sessions.