Hormones and Immunity
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Questions and Answers

Which structure secretes tears?

  • Pupil
  • Lens
  • Lacrimal gland (correct)
  • Iris
  • What does an increase in IOP cause?

  • Ear infection
  • Improved vision
  • Damage to retina and blindness (correct)
  • Enhanced sense of smell
  • What is the coloured part of the eye?

  • Cornea
  • Iris (correct)
  • Retina
  • Sclera
  • Which of the following are the visual receptors?

    <p>Rod and cone cells</p> Signup and view all the answers

    Which part of the ear is responsible for balance?

    <p>Semicircular canals</p> Signup and view all the answers

    Which substance is most associated with bile?

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

    Which organ produces bile?

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

    What condition is caused by the obstruction of the common bile duct?

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

    Which term is related to the slowing or stoppage of gastrointestinal motility?

    <p>Paralytic ileus</p> Signup and view all the answers

    Which part of the digestive system includes the fundus, body, and pylorus?

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

    Which of the following hormones are secreted by the thyroid gland?

    <p>T3, T4 and calcitonin</p> Signup and view all the answers

    What is caused by a deficiency of insulin?

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

    Which gland secretes melatonin?

    <p>Pineal gland</p> Signup and view all the answers

    What best describes the chewing of food?

    <p>Mechanical digestion</p> Signup and view all the answers

    Which organ detoxifies drugs, stores vitamins, and synthesizes clotting factors?

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

    What are redness, heat, swelling, and pain indicative of?

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

    Which cells engulf the pathogen to achieve antigen presentation?

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

    Which type of T cells destroy pathogens by punching holes in their cell membranes?

    <p>Killer T cells</p> Signup and view all the answers

    HIV is most common in people with which condition?

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

    What term describes the process of using dead pathogens to stimulate antibody production?

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

    Which organ removes worn out blood cells from circulation?

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

    The right arm may become oedematous if what are removed from the right axillary region?

    <p>Lymphatic vessels and nodes</p> Signup and view all the answers

    What is the term used for removal of palatine tonsils?

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

    Which structure is related to the processing and maturation of T lymphocytes?

    <p>Thymus gland</p> Signup and view all the answers

    A lacteal is located within the:

    <p>Intestinal villus</p> Signup and view all the answers

    Lymph nodes are populated with which cells?

    <p>Lymphocytes and macrophages</p> Signup and view all the answers

    What absorbs tissue fluid and transports it toward the heart?

    <p>Lymphatic capillaries</p> Signup and view all the answers

    What type of immunity is provided by B and T cells?

    <p>Specific immunity</p> Signup and view all the answers

    Study Notes

    Hormones and Immunity

    • Thyroid hormones: T3, T4, and calcitonin, secreted by the thyroid gland.
    • Sex hormones: estrogen, progesterone, and testosterone, secreted by the gonad.
    • Parathyroid hormone and calcium control plasma levels of calcium.
    • Insulin and glucagon regulate blood glucose levels, secreted by the pancreas.
    • Melatonin is secreted by the pineal gland.
    • Mineralocorticoid: aldosterone helps regulate salt and water balance.
    • Acute adrenal insufficiency occurs due to sudden withdrawal of cortisol.

    Immunity

    • Nonspecific immunity: provides immediate defense against infection, first line of defense.
    • Specific immunity: provides long-term protection against specific pathogens, involves immune memory.
    • Infection/inflammation: characterized by redness, heat, swelling, and pain.
    • Macrophages engulf pathogens to achieve antigen presentation.
    • Killer T cells destroy pathogens by punching holes in their cell membranes.
    • Memory T cells remember antigens for future presentation.
    • HIV is common in people with AIDS.
    • Vaccination: uses dead pathogens to stimulate antibody production.
    • Antipyretic drug lowers fever.
    • Interferons: a group of proteins secreted by virally infected cells.

    Anatomy

    • Lower oesophageal structure prevents gastric reflux.
    • Nociceptor detects pain.
    • Olfaction refers to the sense of smell.
    • Taste buds are related to the gustatory sensation.
    • Iris is the colored part of the eye.
    • Lacrimal gland secretes tears.
    • IOP increase causes damage to the retina and blindness.
    • Cataract: a cloudy lens.
    • Semicircular canals and cochlea are located in the inner ear.
    • Ossicles: malleus, incus, and stapes.
    • Eustachian tube connects the pharynx and middle ear.
    • Tympanic membrane separates the outer ear from the middle ear.
    • Semicircular canals are concerned with balance.

    Other

    • Goitre: enlargement of the thyroid gland.
    • Hyperglycaemia: caused by a deficiency of insulin.
    • Jaundice: caused by obstruction of the common bile duct.
    • Paralytic ileus: slowing or stoppage of gastrointestinal motility.
    • Microvilli: related to absorption.
    • Cellulose: a dietary fiber that cannot be digested by humans.
    • Liver: detoxifies drugs, stores vitamins, and synthesizes clotting factors.
    • Duodenum and jejunum: site of absorption for most end products of digestion.

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    Description

    This quiz covers the different types of hormones in the human body, including thyroid hormones, sex hormones, and more. Learn about their functions and roles in regulating various bodily processes.

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