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The Endocrine System

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The Endocrine System

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16
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Multiple choice
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2 years
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Sample practice questions

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1) Which disease is caused by an overproduction of HGH in adults?
  1. Acromegaly
    Acromegaly is a rare condition where the body produces too much growth hormone, causing body tissues and bones to grow more quickly.
  2. Addison's disease
  3. Cushing's disease
  4. Gigantism
    Gigantism is caused by the overproduction of HGH in childhood, not adulthood.
2) Which hormone stimulates contractions of the uterus during childbirth?
  1. Human chorionic gonadotropin
  2. Luteinizing hormone
  3. Oestrogen
  4. Oxytocin
    Oxytocin is a hormone that plays a role in childbirth, stimulating contractions of the uterus to help expel the baby. It is also sometimes called the "love hormone" because of its involvement in romantic bonding.
3) Where is luteinizing hormone produced?
  1. Pancreas
  2. Ovaries
  3. Adrenal gland
  4. Pituitary gland
    The pituitary gland produces luteinising hormone. It is one of the main hormones of the reproductive system.
4) The hormones of the adrenal glands complement the action of the:
  1. sensory nervous system
  2. central nervous system
  3. sympathetic nervous system
  4. external nervous system
5) The neurohypophysis is another name for the:
  1. posterior lobe of the pituitary gland
  2. medulla of the kidney
  3. follicle that secretes estrogens
  4. placenta
6) Which hormone is antagonistic to insulin?
  1. Calcitonin
  2. Glucagon
    Insulin lowers the concentration of glucose in the blood. Glucagon has the opposite effect by increasing the glucose concentration in the blood.
  3. Thyroxine
  4. Vasopressin
7) What element is essential for thyroid hormone production?
  1. Calcium
  2. Iodine
    Iodine is an essential element for the production of thyroid hormones. The thyroid gland absorbs iodine from the bloodstream and incorporates it into the hormones thyroxine (T4) and triiodothyronine (T3).
  3. Iron
  4. Magnesium
8) The concentration of sodium and potassium ions in the blood and body fluid is regulated by hormones known as:
  1. glucocorticoids
  2. androgens
  3. adrenergic hormones
  4. mineralocorticoids
9) Graves' disease is characterized by increased secretion of which hormone?
  1. Cortisol
  2. Melatonin
  3. Serotonin
  4. Thyroxine
    Graves' disease is an autoimmune disorder caused by an overactive thyroid gland. It is characterized by an abnormally large thyroid gland (called a goiter) and increased thyroxine secretion (T3 and T4).
10) What are the two parts of the adrenal gland?
  1. Diaphragmatic and visceral
  2. Medulla and cortex
    The adrenal gland has two parts: the cortex on the outside and the medulla on the inside.
  3. Renal and subrenal
  4. posterior and anterior
11) The pituitary gland lies in the:
  1. abdominal cavity
  2. along the femoral artery
  3. in the tissues of the neck
  4. inferior aspect of the brain
12) Hormones may consist of all the following except:
  1. amines
  2. carbohydrates
  3. proteins
  4. steroids
13) The thyroid gland is located next to the:
  1. brain
  2. kidneys
  3. larynx
    The thyroid gland is located at the front of the neck just below the Adam's apple (larynx).
  4. spleen
14) The products of the body's endocrine glands are:
  1. enzymes
  2. hormones
  3. ions
  4. minerals
15) What is the exocrine function of the pancreas?
  1. Filtration of waste products from the blood
  2. Production of enzymes that digest food
    The pancreas’s exocrine function is to release digestive enzymes into the digestive tract to help break down food. The pancreas's endocrine function is to produce insulin, a hormone that regulates blood glucose levels.
  3. Regulation of blood pressure
  4. Secretion of hormones that maintain blood glucose levels
16) What is the target tissue of ACTH?
  1. Adrenal cortex
    The target tissue of ACTH (adrenocorticotropic hormone) is the adrenal cortex, which is the outer layer of the adrenal glands located on the kidneys, where it stimulates the production and release of glucocorticoids like cortisol.
  2. Adrenal medulla
  3. Beta cells of the pancreas
  4. Thymus

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