Human Anatomy: Esophagus Structure and Function
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Questions and Answers

What type of muscle makes up the first 1/3 of the muscular layer of the esophagus?

  • Cardiac muscle
  • Skeletal muscle (correct)
  • Smooth muscle
  • Striated muscle
  • In which part of the body is the esophagus located in the thorax?

  • Between vertebrae and aorta
  • Between diaphragm and liver
  • Between vertebrae and trachea (correct)
  • Between heart and lungs
  • What type of muscle makes up the external part of the gastroesophageal sphincter?

  • Striated muscle
  • Cardiac muscle
  • Smooth muscle
  • Skeletal muscle (correct)
  • Which vertebral level does the esophagus penetrate through the diaphragm?

    <p>T10</p> Signup and view all the answers

    What type of epithelium is present at the junction where the stratified squamous epithelium of the esophagus meets the simple columnar epithelium?

    <p>Simple columnar epithelium</p> Signup and view all the answers

    What type of muscle makes up the second 1/3 of the muscular layer of the esophagus?

    <p>Smooth muscle</p> Signup and view all the answers

    Which of the following structures is NOT associated with the hepatic portal system?

    <p>Pulmonary vein</p> Signup and view all the answers

    What is the primary function of the pituitary gland?

    <p>Regulating other endocrine glands</p> Signup and view all the answers

    Which of the following substances is NOT transported by the hepatic portal vein?

    <p>Oxygen</p> Signup and view all the answers

    Which vein is NOT a contributor to the hepatic portal vein?

    <p>Inferior vena cava</p> Signup and view all the answers

    Which of the following statements about the hepatic portal system is correct?

    <p>It transports oxygen-poor blood from the digestive organs to the liver</p> Signup and view all the answers

    Which of the following is NOT a function of the hypothalamohypophyseal system?

    <p>Production of bile</p> Signup and view all the answers

    Which organ in the digestive system is responsible for storing and concentrating bile?

    <p>Gallbladder</p> Signup and view all the answers

    In the digestive system, which organ is responsible for producing enzymes that aid in the digestion of carbohydrates, proteins, and fats?

    <p>Pancreas</p> Signup and view all the answers

    What is the correct order of organs in the alimentary canal from the cranial end to the caudal end?

    <p>Oral Cavity, Esophagus, Pharynx, Stomach</p> Signup and view all the answers

    Which part of the digestive system absorbs most of the nutrients from digested food?

    <p>Small intestine</p> Signup and view all the answers

    Which of the following is not considered an accessory organ in the digestive system?

    <p>Large intestine</p> Signup and view all the answers

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