Registered Dietitian Nutritionist Registered Dietitian Problem 4

Question 1

A patient with Crohn's disease involving the terminal ileum is most at risk for deficiency of which nutrient?

Accepted Answer

Vitamin B12

Answer

The terminal ileum is the sole site of vitamin B12 absorption via intrinsic factor receptors, so Crohn's disease affecting this region causes B12 malabsorption.

Question 2

A dietitian is developing a SMART goal for a patient with hypertension. Which goal best meets all SMART criteria?

Accepted Answer

Reduce sodium intake to under 2,300 mg/day by tracking intake with a food diary for 4 weeks

Answer

The goal is Specific (sodium <2,300 mg/day), Measurable (food diary tracking), Achievable, Relevant (hypertension management), and Time-bound (4 weeks).

Question 3

Which dietary pattern has the strongest evidence for reducing LDL cholesterol without medication?

Accepted Answer

Portfolio diet

Answer

The Portfolio diet, which combines plant sterols, viscous fiber, soy protein, and nuts, has demonstrated LDL reductions comparable to first-generation statins.

Question 4

A 6-month-old infant's parent asks when to introduce complementary foods. The RD should advise:

Accepted Answer

Around 6 months when the infant shows developmental readiness signs

Answer

AAP and WHO recommend introducing complementary foods around 6 months when infants show readiness such as head control and interest in food, while continuing breastfeeding.

Question 5

During a food security screening, a patient endorses the USDA Household Food Insecurity Access Scale question: 'We worried our food would run out before we got money to buy more.' This reflects which category?

Accepted Answer

Marginal food insecurity

Answer

Endorsing the 'worried food would run out' item alone without reporting reduced intake places the household in the marginal food insecurity category.

Registered Dietitian Nutritionist Practice Test

Registered Dietitian Nutritionist Practice Test

Registered Dietitian Nutritionist Registered Dietitian Problem 4