Regulating Digestion and Energy

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Questions and Answers

Which division of the nervous system helps to regulate the digestive process?

  • Enteric division (correct)
  • Autonomic division
  • Central division
  • Peripheral division

How does the endocrine system regulate digestion?

  • By controlling the pH levels in the stomach
  • By releasing and transporting hormones (correct)
  • By producing enzymes for digestion
  • By stimulating the appetite

What happens when food reaches the stomach?

  • The stomach expands and releases gastrin hormone (correct)
  • The stomach contracts and releases chyme
  • The stomach absorbs nutrients
  • The stomach secretes digestive enzymes

What is chyme?

<p>Partially digested food material (A)</p> Signup and view all the answers

What is the main function of the enteric division of the nervous system?

<p>To regulate the digestive process (C)</p> Signup and view all the answers

How does the enteric division of the nervous system regulate the digestive process?

<p>By coordinating muscle contractions (A)</p> Signup and view all the answers

What is the role of gastrin hormone in digestion?

<p>To increase stomach acid production (A)</p> Signup and view all the answers

How does the endocrine system regulate digestion?

<p>By releasing hormones that stimulate or inhibit digestive processes (D)</p> Signup and view all the answers

What is the function of the minimum metabolic rate?

<p>To maintain basic bodily functions at rest (C)</p> Signup and view all the answers

What does the endocrine system release to regulate digestion?

<p>Hormones (B)</p> Signup and view all the answers

Which hormones are secreted by the duodenum to stimulate the secretion of digestive enzymes and bile?

<p>CCK and secretin (D)</p> Signup and view all the answers

What is the function of secretin in the pancreas?

<p>To neutralize the acidic chyme (C)</p> Signup and view all the answers

What happens when the chyme in the duodenum contains a high amount of fat?

<p>CCK and secretin secretion is decreased (A)</p> Signup and view all the answers

What determines an animal's nutritional needs?

<p>Its metabolic rate (A)</p> Signup and view all the answers

What is metabolic rate?

<p>The rate at which an animal uses energy per unit of time (B)</p> Signup and view all the answers

How can metabolic rate be determined?

<p>By monitoring an animal's rate of heat loss (A)</p> Signup and view all the answers

What is the primary source of energy loss in an animal's body?

<p>Digestion and absorption of organic matter (B)</p> Signup and view all the answers

What is the process of synthesizing complex molecules from simple substances called?

<p>Anabolism (C)</p> Signup and view all the answers

What are the main functions of an animal's bioenergetics?

<p>Growth, storage, and reproduction (A)</p> Signup and view all the answers

What is the term used to describe an animal's energy use per unit of time?

<p>Metabolic rate (B)</p> Signup and view all the answers

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