Endocrine System Quiz

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Questions and Answers

Which system is the second controlling system of the body?

  • Endocrine system (correct)
  • Digestive system
  • Respiratory system
  • Circulatory system

Which system uses chemical messengers released into the blood to control major processes?

  • Muscular system
  • Skeletal system
  • Endocrine system (correct)
  • Integumentary system

What are some major processes controlled by hormones?

  • Cognition and memory
  • Respiration and digestion
  • Sensation and perception
  • Reproduction and growth (correct)

Which major processes are controlled by hormones?

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

What is one big function of hormones in the body?

<p>To maintain homeostasis (A)</p> Signup and view all the answers

Which system in the body is responsible for hormone production and regulation?

<p>Endocrine system (D)</p> Signup and view all the answers

Which cells are responsible for producing hormones?

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

How are hormones transferred to their target sites?

<p>Through the blood (D)</p> Signup and view all the answers

What is the scientific study of hormones and endocrine organs called?

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

Which cells produce hormones?

<p>Specialized cells (D)</p> Signup and view all the answers

How are hormones transferred to their target sites?

<p>Through the bloodstream (D)</p> Signup and view all the answers

What does endocrinology study?

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

Which type of fluids do cells secrete hormones into?

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

Where do cells secrete hormones?

<p>extracellular fluids (D)</p> Signup and view all the answers

Which type of hormones are made from highly active lipids and act as local hormones?

<p>Prostaglandins (A)</p> Signup and view all the answers

What are steroids made from?

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

Which type of hormones include proteins, peptides, and amines?

<p>Amino acid–based hormones (A)</p> Signup and view all the answers

Which type of cells must have specific protein receptors in order for hormones to affect them?

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

What are the three chemical classifications of hormones?

<p>Amino acids, steroids, and prostaglandins (A)</p> Signup and view all the answers

Which statement best describes how hormone binding affects cellular activity?

<p>Hormone binding alters cellular activity (D)</p> Signup and view all the answers

Which type of cells are affected by hormones?

<p>Only certain tissues or organs (target cells or organs) (C)</p> Signup and view all the answers

Which of the following are way hormones arouse cells or alter cellular activity?

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

Which mechanism do hormones use to activate genes?

<p>Direct gene activation (D)</p> Signup and view all the answers

How many mechanisms do hormones use to act?

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

Which step occurs after steroid hormones enter the nucleus?

<p>Steroid hormones bind to a specific protein within the nucleus (D)</p> Signup and view all the answers

What is the result of certain genes being activated by steroid hormone, via direct gene activation?

<p>Synthesis of new proteins (A)</p> Signup and view all the answers

What is the main function of steroid hormones in direct gene activation?

<p>To activate certain genes that result in synthesis of new proteins (B)</p> Signup and view all the answers

Which of the following is the correct sequence of events in direct gene activation by steroid hormones?

<p>Steroid hormones diffuse through the plasma membrane, steroid hormones enter the nucleus , bind to a specific protein, hormone-receptor complex binds to specific sites on DNA, Certain genes are activated that result in...,Synthesis of new proteins (A)</p> Signup and view all the answers

Which of the following is NOT a step in direct gene activation by steroid hormones?

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

Which step in the second-messenger system (steroidal) produces a second-messenger molecule?

<p>Step 3: Enzyme catalyzes a reaction (B)</p> Signup and view all the answers

What is the role of the membrane receptor in the second-messenger system?

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

What is the function of the enzyme in the second-messenger system? (non steroid)

<p>catalyzes a reaction that produces a second-messenger molecule (such as cyclic AMP, or cAMP) (A)</p> Signup and view all the answers

Which mechanism is primarily responsible for maintaining hormone levels in the blood?

<p>Negative feedback (D)</p> Signup and view all the answers

What triggers the release of more hormone when levels are low?

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

When does hormone release stop?

<p>once an appropriate level in the blood is reached (C)</p> Signup and view all the answers

Which category of stimuli activates endocrine glands by the release of hormones into the blood?

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

What are the three major categories of stimuli that activate endocrine glands?

<p>Hormonal, Humoral, Neural (C)</p> Signup and view all the answers

Which type of stimuli is the most common for activating endocrine organs?

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

What is the main function of endocrine glands?

<p>To produce and secrete hormones (D)</p> Signup and view all the answers

Which of the following stimulates hormone release in the body?

<p>Changing blood levels of certain ions and nutrients (B)</p> Signup and view all the answers

Which system is responsible for controlling hormone release through nerve impulses?

<p>The sympathetic nervous system (C)</p> Signup and view all the answers

What type of stimuli is most commonly responsible for activating endocrine glands?

<p>hormonal stimuli (D)</p> Signup and view all the answers

Most Neural Stimuli of Endocrine Glands of hormone release is controlled by?

<p>Sympathetic nervous system (C)</p> Signup and view all the answers

What do blood levels of certain ions and nutrients do?

<p>Stimulate hormone release (C)</p> Signup and view all the answers

Which endocrine organ is responsible for regulating the body's metabolism?

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

Which endocrine organ is responsible for producing insulin?

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

Which endocrine organ is responsible for producing growth hormone?

<p>Pituitary gland (D)</p> Signup and view all the answers

Which gland is responsible for producing growth hormone?

<p>Pituitary gland (A)</p> Signup and view all the answers

Which organ is responsible for producing insulin?

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

Which glands are responsible for producing the male and female reproductive hormones?

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

Which of the following glands are purely endocrine?

<p>Thyroid (A)</p> Signup and view all the answers

Which of the following statements is true about endocrine glands?

<p>Endocrine glands are ductless glands (Both c and d) (D)</p> Signup and view all the answers

Which of the following glands are mixed glands with both endocrine and exocrine functions?

<p>Pancreas (A)</p> Signup and view all the answers

Which gland is often referred to as the 'master endocrine gland'?

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

What are the two functional lobes of the pituitary gland?

<p>Anterior and posterior (A)</p> Signup and view all the answers

Where is the pituitary gland located?

<p>In the brain hangs by a stalk from the hypothalamus. (C)</p> Signup and view all the answers

Which gland hangs by a stalk from the hypothalamus in the brain?

<p>Pituitary gland (D)</p> Signup and view all the answers

What is the size of the pituitary gland?

<p>As big as a pea (D)</p> Signup and view all the answers

Which bone protects the pituitary gland?

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

Which gland is responsible for producing the hormone that hangs by a stalk from the hypothalamus?

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

Where is the pineal gland located?

<p>Posterior to the third ventricle of the brain (A)</p> Signup and view all the answers

What hormone does the pineal gland secrete?

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

What is one of the functions of the pineal gland?

<p>Establishing sleep/wake cycles (D)</p> Signup and view all the answers

Which gland is believed to coordinate the hormones of fertility in humans?

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

Which gland produces releasing and inhibiting hormones that are released into portal circulation?

<p>Pituitary gland (A)</p> Signup and view all the answers

Which hormones are produced by the hypothalamus and carried to the posterior pituitary for storage?

<p>Oxytocin and antidiuretic hormone (A)</p> Signup and view all the answers

How are the hormones produced by the hypothalamus carried to the posterior pituitary gland?

<p>Via neurosecretory cells (A)</p> Signup and view all the answers

Which gland produces releasing and inhibiting hormones that are released into portal circulation?

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

What is the main function of releasing and inhibiting hormones produced by the hypothalamus?

<p>To stimulate the release of hormones from the pituitary gland (B)</p> Signup and view all the answers

Where are the releasing and inhibiting hormones produced by the hypothalamus released?

<p>Into the portal circulation (C)</p> Signup and view all the answers

Which gland produces oxytocin and antidiuretic hormone?

<p>Hypothalmus (A)</p> Signup and view all the answers

What are the two hormones produced by the hypothalamus?

<p>Oxytocin and antidiuretic hormone (A)</p> Signup and view all the answers

Which of the following is NOT produced by the hypothalamus?

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

Which hormone stimulates contractions of the uterus during labor, sexual relations, and breastfeeding?

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

What is the main function of oxytocin?

<p>Stimulating contractions of the uterus (B)</p> Signup and view all the answers

In which situation would oxytocin be released?

<p>During labor (D)</p> Signup and view all the answers

Which hormone inhibits urine production by promoting water reabsorption by the kidneys?

<p>Antidiuretic hormone (ADH) (A)</p> Signup and view all the answers

What happens when ADH is present in large amounts in the body?

<p>Causes vasoconstriction of arterioles, leading to increased blood pressure which is why it's known as vasopressin (C)</p> Signup and view all the answers

What condition results from ADH hyposecretion?

<p>Diabetes insipidus (D)</p> Signup and view all the answers

Which of the following hormones affect nonendocrine targets?

<p>Growth hormone (A)</p> Signup and view all the answers

How many anterior pituitary hormones affect nonendocrine targets?

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

Which of the following is NOT a hormone of the anterior pituitary?

<p>Insulin (A)</p> Signup and view all the answers

Which of the following hormones affect nonendocrine targets?

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

How many anterior pituitary hormones affect nonendocrine targets?

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

What are the two anterior pituitary hormones that affect nonendocrine targets?

<p>Growth hormone and prolactin (C)</p> Signup and view all the answers

Which hormone stimulates the release of thyroid hormones?

<p>Thyroid-stimulating hormone (D)</p> Signup and view all the answers

Which hormones stimulate the release of other hormones (tropic hormones)?

<p>Thyroid-stimulating hormone and adrenocorticotropic hormone (C)</p> Signup and view all the answers

Which gland is responsible for producing luteinizing hormone?

<p>Pituitary gland (D)</p> Signup and view all the answers

Which type of structure do all anterior pituitary hormones have?

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

How do anterior pituitary hormones act?

<p>Through second-messenger systems (A)</p> Signup and view all the answers

How are anterior pituitary hormones regulated?

<p>By hormonal stimuli and negative feedback (mostly) (A)</p> Signup and view all the answers

What is the major effect of Growth hormone (GH)?

<p>Stimulation of growth of skeletal muscles and long bones (B)</p> Signup and view all the answers

What does Growth hormone (GH) cause fats to be broken down for?

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

Which hormone of the Anterior Pituitary is responsible for growth of skeletal muscles and long bones?

<p>Growth hormone (GH) (C)</p> Signup and view all the answers

Growth hormone (GH) does many things, but what is its big objective??

<p>Major effects are directed to growth of skeletal muscles and long bones. Plays a role in determining final body size (D)</p> Signup and view all the answers

Which disorder results from hyposecretion of Growth hormone (GH) during childhood?

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

Which disorder results from hypersecretion of Growth hormone (GH) during childhood?

<p>Gigantism (A)</p> Signup and view all the answers

Which disorder results from hypersecretion of Growth hormone (GH) during adulthood?

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

Which hormone of the Anterior Pituitary stimulates and maintains milk production following childbirth?

<p>Prolactin (PRL) (A)</p> Signup and view all the answers

What is the function of Adrenocorticotropic hormone (ACTH) in the body?

<p>Regulates endocrine activity of the adrenal cortex (B)</p> Signup and view all the answers

What is the function of Prolactin (PRL) in males?

<p>Function in males is unknown (A)</p> Signup and view all the answers

Which hormone disorder is caused by hypothyroidism in adults and results in physical and mental sluggishness?

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

Which hormone disorder is caused by hyperthyroidism and results in increased metabolism, heat intolerance, rapid heartbeat, weight loss, and exophthalmos?

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

Which hormone disorder is characterized by rapid heartbeat and weight loss?

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

Which disorder is caused by hypothyroidism in adults?

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

Which disorder is caused by hyperthyroidism?

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

Which symptom is associated with myxedema?

<p>Physical and mental sluggishness (A)</p> Signup and view all the answers

Which hormone decreases blood calcium levels by causing calcium deposition on bone?

<p>Calcitonin (A)</p> Signup and view all the answers

Which hormone is antagonistic to parathyroid hormone?

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

Where is calcitonin produced?

<p>Produced by parafollicular cells found between the follicles (D)</p> Signup and view all the answers

Which gland secretes parathyroid hormone (PTH)?

<p>parathyroid glands (A)</p> Signup and view all the answers

What is the function of parathyroid hormone (PTH)?

<p>Stimulates osteoblasts to remove calcium from bone (C)</p> Signup and view all the answers

Which organs does parathyroid hormone (PTH) stimulate to absorb more calcium?

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

Which region of the adrenal cortex secretes mineralocorticoids?

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

What type of hormones are secreted by the middle layer of the adrenal cortex?

<p>Glucocorticoids (A)</p> Signup and view all the answers

Where is the adrenal medulla located?

<p>inner neural tissue region (A)</p> Signup and view all the answers

Where are sex hormones secreted from in the adrenal cortex?

<p>Inner layer (D)</p> Signup and view all the answers

Which hormone is mainly responsible for regulating mineral content in the blood, particularly sodium and potassium ions?

<p>Aldosterone (mineralocorticoids) (D)</p> Signup and view all the answers

Where are mineralocorticoids, such as aldosterone, primarily produced?

<p>Outer adrenal cortex (B)</p> Signup and view all the answers

What is the target organ of mineralocorticoids, such as aldosterone?

<p>Kidney (A)</p> Signup and view all the answers

Which hormone primarily regulates water and electrolyte balance in the body?

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

Which gland is responsible for secreting the hormone aldosterone?

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

Which of the following stimulates the release of aldosterone from the adrenal cortex?

<p>Decreased blood pressure (B)</p> Signup and view all the answers

What inhibits the production of aldosterone?

<p>Increased blood sodium levels (C)</p> Signup and view all the answers

Which of the following is NOT a stimulus for aldosterone release?

<p>Atrial natriuretic peptide (ANP) (A)</p> Signup and view all the answers

Which factors stimulate the release of aldosterone?

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

What inhibits the production of aldosterone?

<p>Atrial natriuretic peptide (ANP) (B)</p> Signup and view all the answers

What hormone stimulates the release of aldosterone?

<p>All the above (D)</p> Signup and view all the answers

Which of the following can stimulate the release of aldosterone?

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

Which layer of the adrenal cortex produces glucocorticoids?

<p>Middle layer (D)</p> Signup and view all the answers

What is the main function of glucocorticoids?

<p>All of the above (D)</p> Signup and view all the answers

What stimulates the release of glucocorticoids?

<p>Increased blood levels of ACTH (C)</p> Signup and view all the answers

Which layer of the adrenal cortex produces glucocorticoids?

<p>Middle layer (D)</p> Signup and view all the answers

What is the main function of glucocorticoids?

<p>All of the above (D)</p> Signup and view all the answers

What stimulates the release of glucocorticoids?

<p>Increased blood levels of ACTH (B)</p> Signup and view all the answers

Which sex hormones are produced in the inner layer of the adrenal cortex?

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

Where are the sex hormones produced in the adrenal cortex?

<p>Inner layer (A)</p> Signup and view all the answers

What types of hormones are mainly produced in the adrenal cortex?

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

Which disorder is caused by hyposecretion of all adrenal cortex hormones?

<p>Addison's disease (A)</p> Signup and view all the answers

What may result from an ACTH-releasing tumor in the adrenal glands?

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

Which symptom is associated with hyperaldosteronism?

<p>Susceptibility to infection ( all the above as well as burnout) (D)</p> Signup and view all the answers

Which disorder is characterized by a tumor in the middle cortical area of the adrenal cortex?

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

What are some symptoms of Cushing's syndrome?

<p>Moon face, buffalo hump, high blood pressure, hyperglycemia, weakening of bones, depression (B)</p> Signup and view all the answers

Which layer of the adrenal cortex produces glucocorticoids?

<p>Middle layer (D)</p> Signup and view all the answers

Which of the following is a symptom of masculinization?

<p>Increased hair growth on the face (C)</p> Signup and view all the answers

What causes masculinization?

<p>Hypersecretion of sex hormones (D)</p> Signup and view all the answers

Which hormones are produced by the Adrenal Medulla?

<p>Epinephrine and norepinephrine (catecholamines) (D)</p> Signup and view all the answers

What are the other names for epinephrine and norepinephrine, respectively?

<p>Adrenaline and noradrenaline (D)</p> Signup and view all the answers

What type of hormones are produced by the Adrenal Medulla?

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

Which hormones prepare the body to deal with short-term stress by increasing heart rate, blood pressure, and blood glucose levels?

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

What is the main effect of catecholamines on the lungs during short-term stress?

<p>Dilation of small passageways (D)</p> Signup and view all the answers

Which response is associated with the 'fight or flight' response triggered by catecholamines?

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

Which hormones prepare the body to deal with short-term stress by increasing heart rate, blood pressure, and blood glucose levels?

<p>Catecholamines (A)</p> Signup and view all the answers

What is the main effect of catecholamines on the small passageways of the lungs?

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

Which of the following is NOT a short-term stress response caused by catecholamines?

<p>Decreased blood glucose levels (C)</p> Signup and view all the answers

Which gland is located in the abdomen, close to the stomach?

<p>Pancreas (A)</p> Signup and view all the answers

What are the functions of the pancreas?

<p>Both endocrine and exocrine functions (B)</p> Signup and view all the answers

Which of the following glands is a mixed gland with both endocrine and exocrine functions?

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

Which hormone is produced by the alpha cells in the pancreatic islets?

<p>Glucagon (A)</p> Signup and view all the answers

What is the relationship between insulin and glucagon?

<p>Insulin and glucagon have opposite functions in blood sugar regulation (D)</p> Signup and view all the answers

Which cells in the pancreatic islets produce insulin?

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

Which hormone is produced by the alpha cells in the pancreatic islets?

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

Which hormone is produced by the beta cells in the pancreatic islets?

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

Which of the following is a cardinal sign of diabetes mellitus?

<p>All the above (A)</p> Signup and view all the answers

What happens to blood glucose levels in diabetes mellitus?

<p>They increase dramatically (B)</p> Signup and view all the answers

Why does water follow glucose into the urine in diabetes mellitus?

<p>To excrete excess glucose (B)</p> Signup and view all the answers

What happens to blood glucose levels in diabetes mellitus?

<p>They increase dramatically (C)</p> Signup and view all the answers

Which gland is located posterior to the sternum?

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

Which gland produces thymosin?

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

Which gland is important in developing the immune system?

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

Which gland is located posterior to the sternum?

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

What does the thymus gland produce?

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

What is the main function of the thymus gland?

<p>Maturing white blood cells (D)</p> Signup and view all the answers

Which hormone is produced by the ovaries?

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

Which hormone is produced by the testes?

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

What are the two groups of steroid hormones produced by the ovaries?

<p>Estrogens and Progesterone (A)</p> Signup and view all the answers

Which hormones stimulate the development of secondary female characteristics and regulate the menstrual cycle?

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

What is the main function of estrogens in the body?

<p>Mature female reproductive organs ( all the above) (D)</p> Signup and view all the answers

Which hormone, along with estrogens, promotes breast development?

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

Which hormone acts with estrogen to bring about the menstrual cycle?

<p>Progesterone (A)</p> Signup and view all the answers

What does progesterone help prepare the breasts for?

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

Which hormone helps in the implantation of an embryo in the uterus?

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

Where does the implantation of an embryo occur?

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

Which hormone is responsible for adult male secondary sex characteristics?

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

What are some function of androgens in the male reproductive system?

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

Which hormone is produced by the placenta in addition to estrogen, progesterone, and other hormones?

<p>Human chorionic gonadotropin (hCG) (A)</p> Signup and view all the answers

What is the main function of the hormones produced by the placenta?

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

Which organ plays a part delivery of the baby?

<p>Placenta (A)</p> Signup and view all the answers

Which of the following is a symptom associated with decreasing function of female ovaries at menopause?

<p>All the above (A)</p> Signup and view all the answers

What is a effect of decreasing function of female ovaries at menopause on bone health?

<p>Decreased bone density (D)</p> Signup and view all the answers

At what age does the efficiency of the endocrine system start to decrease?

<p>In old age (C)</p> Signup and view all the answers

Which of the following is a common effect of aging on the endocrine system?

<p>Increased incidence of diabetes mellitus (A)</p> Signup and view all the answers

Which of the following is NOT a common effect of aging on the endocrine system?

<p>increased metabolic rate (C)</p> Signup and view all the answers

Which of the following is a possible consequence of the decreased efficiency of endocrine glands with aging?

<p>Increased cancer rates (A)</p> Signup and view all the answers

Which hormone stimulates follicle development in the ovaries and sperm development in the testes?

<p>Follicle-stimulating hormone (FSH) (C)</p> Signup and view all the answers

Which hormone triggers ovulation of an egg in females and stimulates testosterone production in males?

<p>Luteinizing hormone (LH) (B)</p> Signup and view all the answers

Which hormones regulate the hormonal activity of the gonads?

<p>Gonadotropic hormones (D)</p> Signup and view all the answers

Where is the thyroid gland located?

<p>At the base of the throat (D)</p> Signup and view all the answers

How many lobes does the thyroid gland have?

<p>Two lobes (A)</p> Signup and view all the answers

What hormones does the thyroid gland produce?

<p>Thyroid hormone and calcitonin (D)</p> Signup and view all the answers

Which gland is responsible for producing thyroid hormones?

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

What is the main function of thyroid hormones?

<p>Promoting tissue growth and development (Major metabolic hormone (Controls rate of oxidation of glucose to supply body heat and chemical energy (B)</p> Signup and view all the answers

Which hormones are secreted by the thyroid gland?

<p>Thyroxine and triiodothyronine (A)</p> Signup and view all the answers

Which condition is caused by the hyposecretion of thyroxine and results in dwarfism during childhood?

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

What is the main reason why salt is iodized?

<p>To prevent goiters (B)</p> Signup and view all the answers

Which gland enlarges due to the lack of iodine and can cause goiters?

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

Which hormone stimulates and maintains milk production following childbirth?

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

What is the function of Adrenocorticotropic hormone (ACTH)?

<p>Regulates endocrine activity of the adrenal cortex (D)</p> Signup and view all the answers

What is the function of Prolactin (PRL) in males?

<p>Function in males is unknown (A)</p> Signup and view all the answers

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