Physiology and Endocrine System Quiz
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Questions and Answers

Which of the following is considered a physical reaction to a stressor?

  • Decreased blood sugar
  • Decreased blood pressure
  • Increased urinary output
  • Increased heart rate (correct)
  • Decreased breathing rate
  • Prolonged stress inhibits the body's immune responses by ____.

  • Causing weight loss
  • Increasing protein synthesis
  • Causing sodium and water retention
  • Increasing the release of cortisol (correct)
  • Using up all body reserves
  • Which of these assessments would help to identify an endocrine problem in a child?

  • Vision testing as early as possible
  • Evaluating the child's joint mobility
  • Tracking the child's development on a standard growth chart (correct)
  • Evaluating the child's speech patterns
  • Evaluating the child's balance and gait as soon as he or she begins to walk
  • Chessie will have surgery next week to have her pituitary gland removed. She asks what effects this might have on her overall health. Which of the following conditions could she experience after this type of surgery?

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

    Which of the following hormone categories requires G-protein to activate enzymes inside a cell?

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

    Which type of hormone can cross a cell membrane easily?

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

    Which hormones are made of amino acids and do not cross cell membranes easily?

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

    Which of the following local hormones that typically are produced close to their target cells are produced by many body organs?

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

    The ____ hormones turn genes on or off in the nucleus.

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

    Which gland or organ secretes epinephrine and aldosterone?

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

    The ____ gland secretes the hormone calcitonin.

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

    Which gland or organ secretes growth hormone and adrenocorticotropic hormone?

    <p>Anterior pituitary</p> Signup and view all the answers

    Which gland or organ has cells that release glucagon?

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

    Antidiuretic hormone and oxytocin are released by the ____.A) anterior pituitary gland B) parathyroid gland C) posterior pituitary gland D) adrenal gland E) pineal body

    <p>Posterior pituitary gland</p> Signup and view all the answers

    Which gland or organ releases luteinizing hormone? A) Anterior pituitary B) Parathyroid C) Posterior pituitary D) Adrenal E) Gonads

    <p>Anterior pituitary</p> Signup and view all the answers

    The ____ gland releases PTH. A) anterior pituitary B) parathyroid C) posterior pituitary D) adrenal E) thyroid

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

    Which hormone stimulates the contraction of the prostate and vas deferens during male sexual arousal? A) Aldosterone B) FSH C) Calcitonin D) TSH E) Oxytocin

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

    Which of these hormones decreases blood sugar? A) Aldosterone B) Insulin C) Cortisol D) Glucagon E) Estrogen

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

    Which hormone increases blood sugar? A) Aldosterone B) Thyroid hormones C) Cortisol D) Glucagon E) Insulin

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

    Which hormone stimulates the body to retain sodium and water and is important for maintaining blood pressure? A) Aldosterone B) Thyroid-stimulating hormone C) Cortisol D) Calcitonin E) Epinephrine

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

    Which hormone increases energy production by cells, stimulates protein synthesis, and speeds up the repair of damaged tissues?

    <p>Thyroid hormones</p> Signup and view all the answers

    The hormone ____ lowers blood calcium by activating osteoblasts, which use excess blood calcium to build new bone tissue.

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

    The hormone that stimulates the thyroid gland to release hormones is ____.

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

    Which of the following hormones decreases protein synthesis and inflammation?

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

    The ____ secretes a hormone called erythropoietin, which stimulates blood cell production.

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

    The hormone atrial natriuretic peptide is released by which organ?

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

    Which of the following releases melatonin, which regulates a person's biological clock?

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

    The ____ releases thymosin, which promotes the production of T cells.

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

    Which of the following stimulates red blood cell production?

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

    ____ regulates circadian rhythms.

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

    Which hormone, released by the heart, regulates blood pressure?

    <p>Atrial natriuretic peptide</p> Signup and view all the answers

    The hormone that stimulates production of T lymphocytes is ____.

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

    Which of the following is the result of excess growth hormone in children?

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

    A high glucose level due to the inadequate secretion of insulin is ____.

    <p>Diabetes mellitus</p> Signup and view all the answers

    Which of the following is the result of an excess in growth hormone in adults?

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

    ____ is due to congenital hypothyroidism.

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

    In which of the following conditions is too much cortisol produced?

    <p>Cushing's syndrome</p> Signup and view all the answers

    ____ is a condition in which too little growth hormone is produced in childhood.

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

    When a person develops antibodies that attack the thyroid gland, causing the thyroid to produce too many thyroid hormones, that person has ____.A) dwarfism B) gigantism C) Graves' disease D) myxedema E) Addison's disease

    <p>Graves' disease</p> Signup and view all the answers

    When the thyroid gland does not produce adequate amounts of thyroid hormones, a condition called ____ may result.

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

    For which of the following disorders might you expect the physician to test based on Clara Simmons' symptoms of weight gain, puffy hands and feet, low blood pressure, heart rate of 56, and respirations of 12?

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

    For which of the following disorders might you expect the physician to test based on Richard's symptoms of insomnia, weight loss, racing heart, and anxiety?

    <p>Graves' disease</p> Signup and view all the answers

    Mr. Harrison's symptoms of hands and feet enlargement, gaps between teeth, and a pituitary tumor diagnosis are typical of which disorder?

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

    A person with ___ will have thin skin, high glucose levels, thin extremities, and a large abdomen.

    <p>Cushing's syndrome</p> Signup and view all the answers

    Study Notes

    Physical Reaction to Stressor

    • Increased heart rate is a physical reaction to a stressor

    Effects of Prolonged Stress

    • Prolonged stress inhibits the body's immune responses by increasing the release of cortisol

    Assessing Endocrine Problems in Children

    • Tracking the child's development on a standard growth chart helps to identify an endocrine problem

    Effects of Pituitary Gland Removal

    • Removal of the pituitary gland can lead to hypothyroidism, disturbed circadian rhythms, and diabetes

    Hormone Categories

    • Nonsteroidal hormones require G-protein to activate enzymes inside a cell

    Hormone Characteristics

    • Steroidal hormones can cross a cell membrane easily
    • Nonsteroidal hormones, made of amino acids, do not cross cell membranes easily

    Hormone Types

    • Local hormones are produced close to their target cells and are produced by many body organs.
    • Nonsteroidal hormones are a type of local hormone.
    • Prostaglandins are a type of local hormone.

    Steroidal Hormones

    • Steroidal hormones turn genes on or off in the nucleus.
    • They are not produced by many body organs like local hormones.

    Adrenal Gland

    • The adrenal gland secretes epinephrine and aldosterone.
    • It is not responsible for secreting growth hormone and adrenocorticotropic hormone.

    Thyroid Gland

    • The thyroid gland secretes the hormone calcitonin.
    • It is not responsible for secreting growth hormone and adrenocorticotropic hormone.

    Pituitary Gland

    • The anterior pituitary gland secretes growth hormone and adrenocorticotropic hormone.
    • It is not responsible for secreting epinephrine and aldosterone.

    Pancreas

    • The pancreas has cells that release glucagon.
    • It is not responsible for secreting epinephrine and aldosterone.

    Hormone Regulation

    • Antidiuretic hormone and oxytocin are released by the posterior pituitary gland.
    • Luteinizing hormone is released by the anterior pituitary gland.

    Parathyroid Gland Function

    • The parathyroid gland releases PTH (parathyroid hormone).

    Hormone Functions

    • Oxytocin stimulates the contraction of the prostate and vas deferens during male sexual arousal.
    • Insulin decreases blood sugar levels.
    • Glucagon increases blood sugar levels.
    • Aldosterone stimulates the body to retain sodium and water, which is important for maintaining blood pressure.

    Hormone Overview

    • Cortisol increases blood sugar levels and is involved in various bodily functions.
    • Thyroid-stimulating hormone (TSH) regulates thyroid hormone production.
    • Calcitonin is involved in calcium regulation.
    • Epinephrine is involved in the body's "fight or flight" response.

    Stress Response

    • A physical reaction to a stressor is an increased heart rate.
    • Prolonged stress inhibits the body's immune responses by increasing the release of cortisol.

    Endocrine System

    • Tracking a child's development on a standard growth chart can help identify an endocrine problem.

    Pituitary Gland

    • Removing the pituitary gland can cause hypothyroidism or disturbed circadian rhythms.

    Hormone Categories

    • Nonsteroidal hormones require G-protein to activate enzymes inside a cell.
    • Steroidal hormones can cross a cell membrane easily.
    • Nonsteroidal hormones, made of amino acids, do not cross cell membranes easily.
    • Prostaglandins are local hormones produced by many body organs.
    • Steroidal hormones turn genes on or off in the nucleus.

    Endocrine Glands

    • The adrenal gland secretes epinephrine and aldosterone.
    • The thyroid gland secretes calcitonin.
    • The anterior pituitary gland secretes growth hormone and adrenocorticotropic hormone.
    • The pancreas contains cells that release glucagon.
    • The posterior pituitary gland releases antidiuretic hormone and oxytocin.
    • The anterior pituitary gland releases luteinizing hormone.
    • The parathyroid gland releases PTH.

    Hormone Functions

    • Oxytocin stimulates the contraction of the prostate and vas deferens during male sexual arousal.
    • Insulin decreases blood sugar.
    • Glucagon increases blood sugar.
    • Aldosterone stimulates the body to retain sodium and water, which is important for maintaining blood pressure.

    Hormone Regulation

    • Antidiuretic hormone and oxytocin are released by the posterior pituitary gland.
    • Luteinizing hormone is released by the anterior pituitary gland.

    Parathyroid Gland Function

    • The parathyroid gland releases PTH (parathyroid hormone).

    Hormone Functions

    • Oxytocin stimulates the contraction of the prostate and vas deferens during male sexual arousal.
    • Insulin decreases blood sugar levels.
    • Glucagon increases blood sugar levels.
    • Aldosterone stimulates the body to retain sodium and water, which is important for maintaining blood pressure.

    Hormone Overview

    • Cortisol increases blood sugar levels and is involved in various bodily functions.
    • Thyroid-stimulating hormone (TSH) regulates thyroid hormone production.
    • Calcitonin is involved in calcium regulation.
    • Epinephrine is involved in the body's "fight or flight" response.

    Hormone Functions

    • Thyroid hormones increase energy production by cells, stimulate protein synthesis, and speed up the repair of damaged tissues.
    • Cortisol decreases protein synthesis and increases inflammation.
    • Calcitonin lowers blood calcium by activating osteoblasts, which use excess blood calcium to build new bone tissue.

    Hormone Regulation

    • TSH (thyroid-stimulating hormone) stimulates the thyroid gland to release hormones.
    • ACTH (adrenocorticotropic hormone) stimulates the release of cortisol.
    • Erythropoietin, secreted by the kidney, stimulates blood cell production.

    Organ Functions

    • The heart releases the hormone atrial natriuretic peptide.
    • The pineal body, heart, thymus, and pancreas are not involved in the secretion of erythropoietin.
    • The kidney secretes erythropoietin, which stimulates blood cell production.

    Endocrine System

    • The pineal body releases melatonin, which regulates a person's biological clock.
    • The thymus releases thymosin, which promotes the production of T cells.
    • Erythropoietin stimulates red blood cell production.
    • Melatonin regulates circadian rhythms.
    • Atrial natriuretic peptide, released by the heart, regulates blood pressure.
    • Thymosin stimulates the production of T lymphocytes.
    • The thyroid gland produces thyroid hormones, and a deficiency can lead to myxedema.
    • Dwarfism, gigantism, Graves' disease, and Addison's disease are other related endocrine disorders.
    • Excess growth hormone in children leads to Gigantism
    • High glucose level due to inadequate insulin secretion is Diabetes Mellitus
    • Excess growth hormone in adults leads to Acromegaly
    • Congenital hypothyroidism results in Cretinism
    • Excess cortisol production is associated with Cushing's Syndrome
    • Too little growth hormone produced in childhood leads to Dwarfism
    • Autoimmune disorder where thyroid gland produces too many hormones due to antibody attack is Graves' Disease

    Note: I've categorized the notes under "Hormone-Related Disorders" to provide a clear context for the student to understand the relationships between the different concepts.

    Thyroid Disorders

    • Clara Simmons, a 62-year-old patient, exhibits symptoms of weight gain, puffy hands and feet, low blood pressure, slow heart rate, and normal respirations, suggesting possible hypothyroidism.
    • The physician may test for C) Myxedema, a condition characterized by an underactive thyroid gland.

    Hyperthyroidism

    • Richard, a 36-year-old patient, experiences insomnia, weight loss, and a rapid heart rate, indicating possible hyperthyroidism.
    • The physician may test for A) Graves' disease, an autoimmune disorder that causes an overactive thyroid gland.

    Pituitary Gland Disorders

    • Mr. Harrison's symptoms of enlarging hands and feet, and gaps between his teeth, are typical of E) Acromegaly, a condition caused by a pituitary tumor.
    • The physician informs Mr. Harrison that he needs to have the tumor removed.

    Adrenal Gland Disorders

    • A person with B) Cushing's syndrome will have thin skin, high glucose levels, thin extremities, and a large abdomen.
    • Cushing's syndrome is a hormonal disorder caused by excessive levels of cortisol in the body.

    Stress Response

    • A physical reaction to a stressor can be an increased heart rate
    • Prolonged stress inhibits the body's immune responses by increasing the release of cortisol

    Endocrine System

    • The pituitary gland secretes growth hormone and adrenocorticotropic hormone
    • The thyroid gland secretes calcitonin
    • The adrenal gland secretes epinephrine and aldosterone
    • The pancreas has cells that release glucagon
    • The posterior pituitary gland releases antidiuretic hormone and oxytocin
    • The parathyroid gland releases PTH

    Hormone Functions

    • Insulin decreases blood sugar
    • Glucagon increases blood sugar
    • Aldosterone stimulates the body to retain sodium and water, maintaining blood pressure
    • Oxytocin stimulates the contraction of the prostate and vas deferens during male sexual arousal
    • Thyroid hormones increase energy production, stimulate protein synthesis, and speed up the repair of damaged tissues
    • Calcitonin lowers blood calcium by activating osteoblasts, which use excess blood calcium to build new bone tissue
    • Cortisol increases blood sugar and decreases protein synthesis and inflammation
    • Erythropoietin stimulates red blood cell production
    • Melatonin regulates a person's biological clock
    • Thymosin promotes the production of T cells
    • Atrial natriuretic peptide regulates blood pressure

    Endocrine Disorders

    • Myxedema is a condition that results from inadequate thyroid hormone production
    • Acromegaly is the result of excess growth hormone in adults
    • Gigantism is the result of excess growth hormone in children
    • Cretinism is due to congenital hypothyroidism
    • Dwarfism is a condition in which too little growth hormone is produced in childhood
    • Graves' disease is a condition in which too many thyroid hormones are produced due to antibodies attacking the thyroid gland
    • Cushing's syndrome is a condition in which too much cortisol is produced
    • Addison's disease is a condition in which too little cortisol is produced
    • Diabetes mellitus is a high glucose level due to inadequate insulin secretion
    • Diabetes insipidus is a condition in which the kidneys produce too much dilute urine

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