WBR0798

Author	[[PageAuthor::Rim Halaby, M.D. [1]]]
Exam Type	ExamType::USMLE Step 1
Main Category	MainCategory::Physiology
Sub Category	SubCategory::General Principles
Prompt	[[Prompt::A 25 year old obese female patient presents to the physician's office complaining of weight gain. Appropriate work-up is completely unremarkable. The physician decides to attempt lifestyle modification as first step to help the patient lose weight. The patient explains that she eats 250 grams of proteins, 700 grams of carbohydrates, and 200 grams of fat every day. What is the patient's total caloric intake (in kcal) per day?]]
Answer A	AnswerA::9100 kcal
Answer A Explanation	AnswerAExp::This is not the correct caloric intake per day of the patient.
Answer B	AnswerB::12600 kcal
Answer B Explanation	AnswerBExp::This is not the correct caloric intake per day of the patient.
Answer C	AnswerC::4600 kcal
Answer C Explanation	AnswerCExp::This is not the correct caloric intake per day of the patient.
Answer D	AnswerD::6850 kcal
Answer D Explanation	AnswerDExp::This is not the correct caloric intake per day of the patient.
Answer E	AnswerE::5600 kcal
Answer E Explanation	[[AnswerEExp::This is the correct caloric intake per day of the patient. Caloric intake/day (kcal) = (250x4) + (700x4) + (200x9) = (1000 + 2800 + 1800) = 5600 kcal.]]
Right Answer	RightAnswer::E
Explanation	[[Explanation::The patient's caloric intake must be calculated based on knowledge of the following: 1 gram of protein = 4 kcal 1 gram of carbohydrates = 4 kcal 1 gram of fat = 9 kcal. Accordingly, the following equation may be calculated: (250x4) + (700x4) + (200x9) = (1000 + 2800 + 1800) = 5600 kcal. Educational Objective: 1 gram of protein = 4 kcal 1 gram of carbohydrates = 4 kcal 1 gram of fat = 9 kcal Educational Objective: References: ]]
Approved	Approved::No
Keyword	WBRKeyword::calorie, WBRKeyword::caloric, WBRKeyword::intake, WBRKeyword::per, WBRKeyword::day, WBRKeyword::obese, WBRKeyword::fat, WBRKeyword::calculate, WBRKeyword::calculation, WBRKeyword::gram, WBRKeyword::carbohydrate, WBRKeyword::fat, WBRKeyword::protein, WBRKeyword::kcal, WBRKeyword::weight, WBRKeyword::loss
Linked Question	Linked::
Order in Linked Questions	LinkedOrder::