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Which of the following are the key enzymes of the intestines? (Select all that apply)

A.

Lactase

B.

Peptidases

C.

Sucrase

D.

Maltase

E.

Amylase

Answer and Explanation

Correct Answer : A,B,C,D

A. Lactase

Lactase breaks down lactose (milk sugar) into glucose and galactose in the small intestine.

B. Peptidases

Peptidases break down peptides into amino acids in the small intestine.

C. Sucrase

Sucrase breaks down sucrose into glucose and fructose in the small intestine.

D. Maltase

Maltase breaks down maltose into two glucose molecules, functioning in the small intestine.

E. Amylase

While amylase breaks down starches, it is primarily produced in the salivary glands and pancreas, not the intestinal lining.


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Related Questions

Correct Answer is B

Explanation

A. "You must try medication and diet changes for at least two years before surgery is considered.”

The OMA and ASMBS guidelines recommend considering bariatric surgery in patients with a BMI ≥30 with comorbidities like type 2 diabetes when lifestyle and medical therapies are insufficient. There is no strict 2-year requirement.

B. "You may be a candidate for bariatric surgery because of your BMI and type 2 diabetes."

The OMA supports considering bariatric surgery for individuals with a BMI ≥30 who also have comorbidities like type 2 diabetes, especially if other treatments have failed.

C. "Bariatric surgery is only recommended for individuals with a BMI of 40 or higher."

Surgery is also considered for patients with a BMI ≥35 with comorbidities, and in some cases, ≥30 with significant health issues like diabetes.

D. "Bariatric surgery is not appropriate for people under the age of 30."

Age alone is not a disqualifier for bariatric surgery. Candidates are evaluated on BMI, comorbidities, and failure of other treatments.

Correct Answer is D

Explanation

A. Minerals

Minerals support various metabolic processes but do not primarily build tissue.

B. Carbohydrates

Carbohydrates are the body’s main energy source, not tissue builders.

C. Lipid

Lipids provide energy and insulation but are not the main nutrient for building tissue.

D. Protein

Proteins are primarily responsible for tissue building and repair, as they supply amino acids, the building blocks of body cells.

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