The esophagus is a muscular tube that:

Stores undigested pieces of food

Transports food from the pharynx to the stomach

Absorbs nutrients

Breaks down proteins

Answer and Explanation

The Correct Answer is B

A. Stores undigested pieces of food: The stomach, not the esophagus, is responsible for storing food temporarily.

B. Transports food from the pharynx to the stomach: The esophagus is a muscular tube that uses peristalsis to move food from the pharynx to the stomach.

C. Absorbs nutrients: Nutrient absorption occurs mainly in the small intestine, not the esophagus.

D. Breaks down proteins: Protein digestion begins in the stomach via pepsin, not in the esophagus.

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Correct Answer is A

Explanation

A. Stomach: The esophagus carries food from the pharynx and empties it into the stomach via the lower esophageal sphincter.

B. Cecum: The cecum is part of the large intestine and is much further along in the digestive tract.

C. Common bile duct: This duct transports bile, not food. It is not directly connected to the esophagus.

D. Duodenum: The duodenum is the first part of the small intestine, which comes after the stomach, not directly after the esophagus.

A. Producing glucagon B. Synthesis of bile C. Metabolism of proteins, fats, carbohydrates D. Detoxifying drugs E. Storage of fat-soluble vitamins

Correct Answer is ["B","C","D","E"]

Explanation

A. Producing glucagon: Glucagon is produced by the alpha cells of the pancreas, not the liver.

B. Synthesis of bile: The liver synthesizes bile, which is stored in the gallbladder and aids in fat digestion.

C. Metabolism of proteins, fats, carbohydrates: The liver plays a central role in metabolism, processing amino acids, lipids, and glucose.

D. Detoxifying drugs: The liver detoxifies substances, including medications and alcohol, converting them into less harmful forms.

E. Storage of fat-soluble vitamins: The liver stores vitamins A, D, E, and K, which are fat-soluble and essential for various functions.

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The esophagus is a muscular tube that:

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Food moves through the esophagus to the:

Correct Answer is A

Explanation

Which of the following are functions of the liver? (Select all that apply.)

Correct Answer is ["B","C","D","E"]

Explanation

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