Endocrine System and Hormones Multiple Choice

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B) erythropoietin

The hormone that influences the production of red blood cells is:
A) thyroxin
B) erythropoietin
C) calcitonin
D) thymosin
E) insulin

D) a chemical released by one animal to affect the behavior of another animal

A pheromone is:
A) an endorphin released within the anterior pituitary
B) a growth factor related to the production of tumors
C) a product of a neurosecretory cell that acts on neighboring cells
D) a chemical released by one animal to affect the behavior of another animal
E) a regulatory hormone that stimulates or inhibits the release of hormones produced by other endocrine glands

D) pheromone

Zoologists extracted the chemical that the Japanese beetle uses to attract a mate, and use it in a trap to reduce the beetle population. They are utilizing a:
A) hormone
B) pesticide
C) enzyme
D) pheromone
E) excretion

E) all of the choices are correct

Which statement about hormone types is correct?
A) non-steroid hormones activate an enzyme cascade
B) steroid hormones regulate the production of a particular protein
C) non-steroid hormones are either amino acids, peptides, or proteins
D) steroid hormones all have four carbon rings with different side chains
E) all of the choices are correct

E) endocrine system

Which body system coordinates activities of body parts by releasing hormones into the blood?
A) nervous system
B) digestive system
C) respiratory system
D) circulatory system
E) endocrine system

B) Hormones are released from exocrine glands

Which of the following is NOT true about hormones?
A) Hormones are secreted into the bloodstream
B) Hormones are released from exocrine glands
C) Hormones may be classified as peptides or steroids
D) Hormones usually affect a target organ
E) Cells that react to a hormone have specific receptors for that hormone

C) salivary glands

Which of the following is NOT an endocrine gland?
A) pancreas
B) adrenal glands
C) salivary glands
D) thyroid gland
E) pituitary gland

C) some endocrine glands have additional non-endocrine functions

Which of the following is true of endocrine glands?
A) endocrine glands are located very close to their target organs to be more effective
B) each endocrine gland only produces one hormone
C) some endocrine glands have additional non-endocrine functions
D) each endocrine gland is independent and not affected by another endocrine gland
E) none of the choices are correct

E) hormones are directed to the target organ and avoid contact with non-target cells

Which of the following is NOT correct about hormones?
A) hormones are generally found across the animal kingdom
B) hormones may be used at a distance from where the hormone is made
C) hormones have a slower effect than that mediated by the nervous system
D) hormones bind to receptor sites at a target cell
E) hormones are directed to the target organ and avoid contact with non-target cells

B) When the blood becomes dilute, ADH is no longer released from the hypohalamus

Which is an example of negative feedback?
A) Nursing action stimulates the hypothalamus to release oxytocin that triggers mammary gland milk production/
B) When the blood becomes dilute, ADH is no longer released from the hypohalamus
C) Uterine stretching sends nerve impulses to the hypothalamus that releases oxytocin that triggers uterine contraction
D) FSH and LH stimulate the gonads to produce sperm or eggs
E) TRH stimulates he anterior pituitary to release thyroid-stimulating hormone

D) releasing hormones

The hypothalamus controls the anterior pituitary via
A) nerve stimulation?
B) blood osmotic concentrations
C) blood glucose concentrations
D) releasing hormones
E) ACTH

E) Oxytocin both causes the uterus to contract in labor and stimulates the release of milk from mammary glands, which is reinforced by prolactin

Consider the synchronization of birth and milk production. Babies can be born several months prematurely, and milk production is needed immediately after birth. How has the human body evolved to coordinate this delicate timing of events?
A) The ovaries signal the rest of the body tissues by varying the level of estrogen
B) Conscious awareness of the arrival of a baby triggers the mother's hypothalamus to secrete prolactin
C) The hypothalamus and pituitary that triggered the female reproductive cycle also schedule milk production on a nine-month clock basis
D) ADH produced by the baby passes through the placenta and, added to the mother's ADH, builds up her milk production relative to the size of the fetus
E) Oxytocin both causes the uterus to contract in labor and stimulates the release of milk from mammary glands, which is reinforced by prolactin from the pituitary

D) hypothalmus

The part of the brain controlling the anterior pituitary gland secretions is the:
A) medulla
B) thalamus
C) cerebral cortex
D) hypothalmus
E) cerebellum

C) anterior pituitary

The hypothalamic-releasing hormones directly control the
A) adrenal cortex
B) thyroid
C) anterior pituitary
D) posterior pituitary
E) pancreas

C) gonadotropic hormones

Which hormone stimulates the production of estrogen and progesterone?
A) growth hormone
B) antidiuretic hormone
C) gonadotropic hormones
D) thyroid-stimulating hormone
E) adrenocroticotropic hormone

C) hypothalamus and anterior pituitary

The controlling or master gland(s) of the body is(are) the
A) adrenal medulla and cortex
B) testes and ovaries
C) hypothalamus and anterior pituitary
D) pancreas
E) thyroid and parathyroid

A) little ADH

Too much urine indicates too:
A) little ADH
B) much ADH
C) little ACTH
D) much ACTH
E) much insulin

B) are located near the kidneys

The adrenal glands:
A) are located near the thyroid gland
B) are located near the kidneys
C) are regulated by the posterior pituitary
D) are regulated by the pancreas
E) can be removed without ill effects

E) norepinephrine

Which of the following hormones will allow us to react to emergency situations?
A) estrogen
B) progesterone
C) testosterone
D) cortisol
E) norepinephrine

E) bronzing of the skin

Which of the following is NOT characteristic of diabetes mellitus?
A) cells unable to take up glucose
B) increased breakdown of fats and protein
C) frequent urination
D) sugar in the urine
E) bronzing of the skin

D) insulin

Which hormone will decrease blood glucose levels?
A) Thyroxin
B) aldosterone
C) cortisol
D) insulin
E) glucagon

A) insulin - glucagon

Which pair of hormones has opposite, antagonistic effects?
A) insulin - glucagon
B) insulin - progesterone
C) estrogen - thyroxin
D) thyroxin - parathyroid hormone
E) epinephrine - norepinephrine

E) all of the choices are estrogen effects

Which is an effect of the hormone estrogen?
A) accumulation of a fat layer beneath the skin
B) pelvic girdle grows wider
C) breast development
D) egg maturation and menstrual cycle control
E) all of the choices are estrogen effects

E) All of the choices are true of the endocrine system

The endocrine system as a whole:
A) coordinates body functions by use of chemical signals called hormones
B) is slower acting than the nervous system
C) controls whole body processes such as growth and reproduction
D) has an effect that is longer acting that that of the nervous system
E) All of the choices are true of the endocrine system

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