Appetite Week 2
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Questions and Answers

Which of the following is NOT a characteristic of omnivores?

  • They can survive in all habitats where food is available
  • They can only eat plants (correct)
  • They are the most flexible and successful approach
  • They can eat many different foods

    • What are the three most ubiquitous animal species on earth that are omnivorous?

  • Cockroaches, rats, and humans (correct)
  • Cockroaches, cats, and humans
  • Cockroaches, cats, and dogs
  • Cockroaches, rats, and dogs

    • Which sense is considered the 'hidden sense' when it comes to eating and drinking?

  • Somatosensation
  • Skin senses
  • Smell (correct)
  • Taste

    • Which taste sensation is associated with ripeness and vitamin C?

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

    Which type of papillae on the tongue is most sensitive and responsible for immediate detection of taste?

    <p>Fungiform papillae</p> Signup and view all the answers

    What are the two basic types of receptors present on the microvilli of taste buds?

    <p>Ion gated channels and protein gated channels</p> Signup and view all the answers

    Which system is responsible for our perception of objects and their properties contacting the body?

    <p>Somatosensation and Proprioception system</p> Signup and view all the answers

    What is the role of pattern recognition in our sense of smell?

    <p>To match glomerular patterns to previously experienced patterns</p> Signup and view all the answers

    What happens to our sense of taste when we lose our sense of smell?

    <p>It becomes completely lost</p> Signup and view all the answers

    Which of the following is NOT a component of fat perception in food?

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

    What is the main role of the olfactory system in our sense of smell?

    <p>To detect chemicals</p> Signup and view all the answers

    What is the relationship between somatosensation and proprioception?

    <p>Proprioception is a component of somatosensation</p> Signup and view all the answers

    Which of the following is true about the olfactory receptors in humans?

    <p>The olfactory receptors are randomly distributed across the olfactory epithelium</p> Signup and view all the answers

    What is the purpose of the soft palate during eating and drinking?

    <p>To prevent food and drink from entering the nose</p> Signup and view all the answers

    What is the role of the glomeruli in the olfactory bulb?

    <p>To converge information from different olfactory receptor types</p> Signup and view all the answers

    Which part of the brain is directly involved in processing fear related to smell?

    <p>Amygdala (AC)</p> Signup and view all the answers

    What is the function of the olfactory mucosa?

    <p>To clear old smells away</p> Signup and view all the answers

    How do volatiles in food reach the olfactory receptors during eating?

    <p>They are pumped into the nasopharynx during chewing and on exhalation</p> Signup and view all the answers

    Which part of the brain is considered the primary taste cortex?

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

    What is the main function of the common chemical sense?

    <p>To identify and remove harmful chemical irritants from the skin</p> Signup and view all the answers

    What is the term used to describe the selective responsiveness of certain fibers in the chorda tympani to different tastes?

    <p>Labelled lines</p> Signup and view all the answers

    What are the three groups of people based on their sensitivity to the bitter tasting chemical PROP?

    <p>Non-tasters, Tasters, and Supertasters</p> Signup and view all the answers

    What is the main difference between non-tasters, tasters, and supertasters?

    <p>Their sensitivity to sweet and bitter tastes</p> Signup and view all the answers

    What sensory dimensions can we experience according to many researchers?

    <p>Intensity, Hot/cold, and Hedonics</p> Signup and view all the answers

    Which of the following is NOT a characteristic of herbivores?

    <p>Short guts to maximize digestion</p> Signup and view all the answers

    Which of the following is a specific approach of herbivores mentioned in the text?

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

    Which of the following is NOT a characteristic of carnivores?

    <p>Higher in protein, longer guts</p> Signup and view all the answers

    Which of the following is a specific approach of carnivores mentioned in the text?

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

    Which of the following is NOT a characteristic of parasites?

    <p>Parasite needs its host and gains the most</p> Signup and view all the answers

    Which of the following taste sensations is associated with energy and is generally pleasant?

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

    What is the primary location of the sense of taste on the tongue?

    <p>On the sides of the tongue</p> Signup and view all the answers

    Which type of taste bud papillae is the most sensitive and responsible for immediate detection of taste?

    <p>Fungiform papillae</p> Signup and view all the answers

    What type of receptors are present on the microvilli of taste buds?

    <p>Ion gated channels and protein gated channels</p> Signup and view all the answers

    Which taste sensation is associated with toxicity and is generally unpleasant?

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

    What is the role of smell in our perception of taste?

    <p>Smell enhances the perception of taste</p> Signup and view all the answers

    Which part of the brain is considered the primary taste cortex?

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

    What is the main function of the common chemical sense?

    <p>To allow for the identification and removal of harmful chemical irritants</p> Signup and view all the answers

    What are the three most ubiquitous animal species on earth that are omnivorous?

    <p>Humans, dogs, and bears</p> Signup and view all the answers

    What is the term used to describe the selective responsiveness of certain fibers in the chorda tympani to different tastes?

    <p>Labelled lines</p> Signup and view all the answers

    What is the role of pattern recognition in our sense of smell?

    <p>To recognize unique neural patterns</p> Signup and view all the answers

    What are the two basic types of receptors present on the microvilli of taste buds?

    <p>Sweet and bitter</p> Signup and view all the answers

    What is the primary goal for all animals?

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

    What are the principle types of feeding strategies that animals adopt?

    <p>Herbivores, carnivores, and omnivores</p> Signup and view all the answers

    What are the characteristics of herbivores?

    <p>They have to deal with cellulose</p> Signup and view all the answers

    What are the characteristics of carnivores?

    <p>They spend little time eating</p> Signup and view all the answers

    What are the characteristics of parasites?

    <p>They spend little time eating</p> Signup and view all the answers

    What is the relationship between feeding strategies and an animal's size, genes, and habitat?

    <p>Feeding strategies are influenced by an animal's size, genes, and habitat</p> Signup and view all the answers

    Which of the following is NOT a pathway through which smell can be accessed?

    <p>By inhaling through the mouth</p> Signup and view all the answers

    What is the term used to describe the issue of how odour location is perceived when it is in the mouth?

    <p>Binding problem</p> Signup and view all the answers

    Which of the following is NOT a function of the olfactory mucosa?

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

    How many different olfactory receptors are there in humans?

    <p>300-500</p> Signup and view all the answers

    What happens when chemicals bind to the G-proteins in olfactory receptor neurons?

    <p>Depolarization of the cell and action potential</p> Signup and view all the answers

    Where does information from each olfactory receptor type converge in the olfactory bulb?

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

    Which of the following is true about the perception of odors in the olfactory system?

    <p>The olfactory system recognizes odors based on the pattern of activity across the glomeruli.</p> Signup and view all the answers

    What is the main function of the somatosensation and proprioception system?

    <p>To perceive objects and their properties contacting the body</p> Signup and view all the answers

    What is the relationship between taste and smell in the mouth?

    <p>They are treated linguistically as a single entity.</p> Signup and view all the answers

    What happens to the sense of taste when the sense of smell is lost?

    <p>The sense of taste becomes bland.</p> Signup and view all the answers

    What is the main role of the olfactory system in our sense of smell?

    <p>To recognize patterns in odors</p> Signup and view all the answers

    How do volatiles in food reach the olfactory receptors during eating?

    <p>Through the air inhaled through the nose</p> Signup and view all the answers

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