Test 1: ENDOCRINE Example Test Questions

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The gland that produces thymosin is indicated by what

Review diagram

The gland that produces melatonin is indicated by the letter

Know where the pineal gland is on the diagram

The gland that produces testosterone is indicated by what

diagram

the glands that produce steroids and catecholamines are indicated by

diagram

the producer of hormones released by the posterior pituitary is indicated by

diagram

the gland that produces insulin and glucagon is indicated by

diagram

the glands that act as antagonists to the thyroid gland are what

diagram

the gland that has both glandular and nervous tissue associates with it is what

diagram

the gland that is the major producer of female hormones is indicated by

diagram

the gland that is primarily responsible for body metabolism is what

diagram

thymus gland on diagram

review

pancreas on diagram

review

pineal gland on diagram

review

parathyroid glands on diagram

review

hypersecretion of growth hormone during childhood results in

gigantism

adrenocorticotropic hormone stimulates the cortex portion of the what gland

adrenal

the posterior pituitary gland releases two hormones called ____ and ____.

oxytocin, antidiuretic hormone

another name for antidiuretic hormone (ADH) is

vasopressin

an enlargement of the thyroid gland is called

goiter

calcitonin is made by the _____ of the thyroid gland

parafollicular cells

mineralocorticoids regulate the concentration of _____ and _____ ion sin our blood

sodium and potassium

cortisone and cortisol and types of ______ produced by the middle cortical layer of the adrenal gland.

glucocorticoids

the enzyme produced by the kidneys when blood pressure drops, which causes the release of aldosterone is called ______

renin

male sex hormones produced by the adrenal cortex are called

androgens

generalized hyposecretion of all adrenal cortex hormones leads to

addisons disease

hypersecretion of glucocorticoids, often caused by a tumor, resulting in ______

cushings syndrome

another name for epinephrine is

adrenaline

insulin and glucagon are both hormones that are produced by

pancreatic islet cells

glucagon acts as an antagonist to a hormone called

insulin

polyuria, polydipsia, and polyphagia are indicative of a disease called

diabetes mellitus

a hormone called ____ is believed to play an important role in establishing the body's day-night cycle.

melatonin

a hormone called ____ plays an important role in incubating a special group of white blood cells

thymosin

the _____ cells of the testes produce testosterone

interstital

home pregnancy tests check for a hormone in female's urine called

human chorionic gonadotropin (HCG)

which of the following is NOT a major processes controlled by hormones:
a) body coordination
b) mobilizing body defenses against stressors
c) maintaining electrolyte balance
d) regulating cellular metabolism
e) growth and development

a) body coordination

the chemical messangers of the endocrine system are known as:
a) effectors
b) target cells
c) hormones
d) neurons
e) stimuli

c) hormones

which one of the following is NOT typical of the changes that follow the binding of a hormone to its target cells:
a) plasma membrane permeability changes
b) cellular mutations occur
c) enzymes are activated or inactivated
d) mitosis is stimulated
e) proteins are synthsized in the cell

b) cellular mutation occur

prostaglandins are:
a) amino acid-based hormones
b) steroid hormones
c) lipid hormones manufactured in cell plasma membrane
d) glycerol hormones
e) target organs

c) lipid hormones manufactured in cell plasma membrane

being lipid soluble, steroids can do all the following EXCEPT:
a) diffuse through the plasma membranes of target cells
b) catalyze cyclic AMP
c) enter the nucleus
d) bind to receptor proteins within the nucleus
e) activate genes to transcribe mRNA for protein synthesis

b) catalyze cyclic AMP

negative feedback mechanisms regulate:
a) steroid hormones only
b) amino acid based hormones only
c) prostaglandin hormones only
d) very few hormones
e) most hormones

e) most hormones

most endocrine organs are prodded into action by other hormones; this type of stimulus is called:
a) hormonal stimulus
b) humoral stimulus
c) neural stimulas
d) receptor-mediated stimulus
e) steroid stimulus

a) hormonal stimulus

tropic hormones:
a) stimulate the pineal gland to secrete hormones
b) stimulate the thymus gland to secrete hormones
c) stimulate other endocrine glands to secrete hormones
d) stimulate nervous tissue
e) stimulate prostaglandins

c) stimulate other endocrine glands to secrete hormones

growth hormone:
a) is secreted by the thymus gland
b) prevent urine production
c) promotes growth in long bones and skeletal muscles
d) is produced by the thyroid glands
e) results in cushings disease if produced in excess

c) promotes growth in long bones and skeletal muscles

which one of the following is NOT an anterior pituitary hormone:
a) prolactin
b) adrenocorticotropic hormone
c) follicle stimulating hormones
d) antidiuretic hormones
e) luteinizing hormone

d) antidiuretic hormones

the hormone that triggers ovulation of an egg from the female ovary is:
a) luteinizing hormone
b) prolactin
c) follicle-stimulating hormone
d) progesterone
e) interstitial cell stimulating hormone

a) luteinizing hormone

hypersecretion of growth hormone after long bone growth has ended (as an adult) is called
a) pituitary dwarfism
b) cushings disease
c) acromegaly
d) myxedema
e) gigantism

e) gigantism

the hypothalamus is most closely associated with the;
a) pineal gland
b) pituitary gland
c) thymus gland
d) thyroid gland
e) pancreas

b) pituitary gland

an enlargement of the thyroid gland resulting from a deficiency of dietary iodine is called:
a) exophthalmos
b) goiter
c) cretinism
d) myxedema
e) acromegaly

b) goiter

which one of the following is NOT a function of oxytocin
a) stimulation of uterine contractions
b) stimulation of breast milk ejection
c) stimulation of menstruation
d) postpartum bleeding control
e) labor induction

c) stimulation of menstruation

diabetes insipidus is caused by hyposecretion of
a) antidiuretic hormone (ADH)
b) growth hormone
c) glucagon
d) parathyroid hormone (PTH)
e) prolactin (PRL)

a) antidiuretic hormone(ADH)

which one of the following hormones exerts its primary effects on the reproductive organs:
a) follicle stimulating hormone
b) adrenocorticotropic hormone
c) prolactin
d) thyroid stimulating hormone
e) growth hormone

a) follicle stimulating hormone

alcohol inhibits the secretion of:
a) parathyroid hormone (PTH)
b) antidiuretic hormone (ADH)
c) glucagon
d) oxytocin
e) prolactin (PRL)

b) antidiuretic hormone (ADH)

the thyroid gland is located
a) above the kidneys
b) below the adams apple
c) within the mediastinum
d) within the pancreas
e) within the parathyroid glands

b) below the adams apple

the body's major metabolic hormone is called:
a) prolactin
b) growth hormone
c) adrenaline
d) thyroid hormone
e) calcitonin

d) thyroid hormone

the element necessary in the diet for proper thyroid function is
a) sodium
b) potassium
c) calcium
d) iodine
e) bromine

d) iodine

hyposecretion of thyroxine in early childhood leads to:
a) cretinism
b) dwarfism
c) myxedema
d) exophthalmos
e) acromegaly

a) cretinism

which of these hormones regulate calcium levels in the body:
a) T3 and T4
b) calcitonin and parathyroid hormone
c) oxytocin and prolactin
d) insulin and glucagon
e) melatonin and glucocorticoids

b) calcitonin and parathyroid hormones

which one of the following is NOT produced by the adrenal cortex:
a) mineralocortcoids
b) glucocorticoids
c)sex hormones
d) epinephrine
e) aldosterone

d) epinephrine

which of these hormones is released by the adrenal medulla:
a) sex hormones
b) aldosterone
c) cortisone
d) glucocorticoids
e) epinephrine

e) epinephrine

rising blood levels of aldosterone cause the kidney tubules to:
a) reabsorb potassium
b) reabsorb sodium
c) reabsorb calcium
d) reabsorb iodine
e) reabsorb hydrogen

b) reabsorb sodium

tetany resulting from uncontrolled muscle spasms may indicate a malfunction of the
a) pineal gland
b) thymus
c) parathyroid glands
d) adrenal cortex
e) posterior pituitary

c) parathyroid hormone

the enzyme produced by the kidneys when blood pressure drops, stimulating a release of aldosterone, is called:
a) cortisone
b) renin
c) cortisol
d) vaspressin
e) angeotensin

b) renin

glucocorticoids do all of the following except:
a) help resist long term stress
b) increase blood glucose levels
c) decrease edema
d) suppress inflammation
e) regulate salt content of the blood

e) regulate salt content of the blood

which one of the following is NOT a symptom of Cushing's syndrome:
a) moon face
b) bronze skin tones
c) buffalo hump
d) high blood pressure
e) water retention

b) bronze skin tones

the "fight or flight" response triggers the release of
a) ADH
b) prolactin
c) growth hormone
d) epinephrine
e) melatonin

d) epinephrine

Which one of the following is NOT an action of the catecholamines:
a) stimulation of the sympathetic nervous system
b) dilation of the small passages of the lungs
c) increased heart rate
d) decreased blood pressure
e) increased blood glucose levels

d) decreased blood pressure

the cells in the testes that produce testosterone are called:
a) interstital cells
b) alpha cells
c) beta cells
d) pancreatic islet cells
e) gonadotropic cells

a) interstital cells

the secondary sex characteristics brought about by testosterone secretion do NOT include:
a) growth of facial hair
b) development of heavy bones
c) development of breasts
d) lowering of voice
e) development of heavy muscles

c) development of breasts

which hormones works with estrogen to bring about the menstrual cycle:
a) human chorionic gonadotropin
b) progesterone
c) testosterone
d) prolactin
e) oxytocin

b) progesterone

True or False: Exocrine glands are considered ductless glands because they release their hormones into the blood or lymph.

true

True or False: The endocrine system is generally faster than the nervous system in coordinating the activities of body cells.

falso

most hormones are regulated by negative feedback mechanisms

true

releasing and inhibiting hormones produced by the hypothalamus travel to the anterior pituitary through the blood of the portal circulation.

true

True or False: the pituitary gland is found in the brain closely associated with the hypothalamus.

true

True or False: Hypersecretion of growth hormone during childhood leads to pituitary dwarfism.

false

True or False: the target tissue of prolactin is the female breast.

true

True or False: Neurosecretory cells transport oxytocin and antidiuretic hormone to the anterior pituitary gland for storage.

false

True or False: Vasopressin is another name for antidiuretic hormone.

true

True or False: hyposecretion of FSH or LH leads to sterility in both males and females.

true

True or False: Alcohol can suppress the production of antidiuretic hormone.

true

True or False: Diabetes insipidus is caused by hyposecretion of insulin.

falso

True or False: Thyroid hormone is actually two iodine containing hormones called T3 and T4.

true

True or False: Hyposecretion of thyroxine in children can result in cretinism.

true

True or False: Myxedema is the result of hyperthyroidism.

false

True or False: Parathryroid hormone is the most important regulator of blood calcium concentration.

true

True or False: Calcitonin is a hormone antagonistic to parathormone in the regulation of blood calcium concentration.

true

True or False: Mineralocorticoids help regulate both water and electrolyte balance in body fluids.

true

True or False: The adrenal glands are similar to the pituitary gland in that they ahve both glandular and neural tissue.

true

True or False: The adrenal cortex is made up of neural tissue.

falso

True or False: Glucocorticoids, glucagon, and epinephrine are hyperglycemic hormones.

true

True or False: the glucocorticoids help the body handle long-term stress primarily by increasing blood glucose levels.

true

True or False: the male and female sex hormones are produced by the adrenal cortex throughout life in relatively small amounts.

true

True or False: hypersecretion of the sex hormones may lead to masculinization in both men and women.

true

True or False: the adrenal medulla and posterior pituitary are both composed of nervous tissue.

true

True or False: adrenaline is also known as epinephrine.

true

True or False: The pancreas produces both glucagon and glucocorticoids.

falso

True or False: Melatonin production peaks during the night to help regulate the body's day-night cycle.

true

True or False: the thymus gland is located in the neck wrapped around the trachea.

false

True or False: the pancreas has both endocrine and exocrine functions

true

True or False: the placenta is a temporary organ formed in the uterus of pregnant women.

true

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