ATI Proctored Nutrition Exam

Correct Answer: D

Rationale: The correct answer is D: clinical dietitian and pharmacist. Clinical dietitians and pharmacists work closely together to monitor and manage drug-nutrient interactions. While physicians and nurses play essential roles in patient care, they are not typically the primary professionals involved in monitoring drug-nutrient interactions. Therefore, choices A, B, and C are incorrect.

Correct Answer: A

Rationale: The correct answer is A: Streptococcus mutans and Lactobacillus species. These bacteria are primarily responsible for initiating dental caries by fermenting carbohydrates and producing acids that demineralize enamel. Choice B, Salmonella and Listeria species, are not the primary bacteria involved in dental caries. Choice C includes Salmonella which is not a primary culprit in dental caries. Choice D lists Listeria, Botulinum species, and Escherichia coli, none of which are the primary bacteria associated with initiating dental caries.

Correct Answer: A

Rationale: The stomach churns food into chyme and has a highly acidic environment (pH 2) to aid in the digestion of proteins and other nutrients.

Correct Answer: B

Rationale: The transport of oxygen in the blood is carried out by hemoglobin, which does not require calcium; instead, calcium is essential for blood clotting, muscle contraction, and nerve transmission.

Correct Answer: D

Rationale: Magnesium plays a key role in muscle relaxation, enzyme operation, and protein synthesis, but it is not directly involved in regulating body temperature.