WorksheetsEndocrine system
Total questions: 35
Worksheet time: 18mins
T or F: The endocrine system's means of control is much slower than the nervous system.
True
False; faster
The endocrine system uses chemical messengers known as ____.
Neurons
Hormones
Microglia
Neurotransmitters
T or F: All cells respond to endocrine system stimulation.
True
False; only cells with proper receptors
T or F: The secretion of most hormones is regulated by a positive feedback system.
True
False; negative
Which of the following is NOT true about the mode of action for steroid-based hormones?
Binds to a receptor in the cell's nucleus
Is lipid soluble
Activates a gene to transcribe messenger RNA
Acts through a second messenger
Which hormone and target organ pair is incorrect?
Prolactin; mammary glands
GH; bones and muscles
FSH & LH; adrenal cortex
TSH; Thyroid
Inadequate amounts of thyroxine hormone would lead to all the following EXCEPT:
Tetany (muscular spasms)
Goiter (enlarged thyroid gland)
Creatinism (a type of dwarfism)
Myxedema in adults (characterized by lethargy, hair loss, low bmr, and obesity)
Excessive urination without high blood glucose levels, dehydration, and thirst would be caused by insufficient amounts of which of the following hormones?
Thyroxine
Insulin
PTH
ADH
An abnormally large stature with relatively normal body proportions would be caused by an excess of which of the following hormones?
PTH
Growth hormone
Thyroxine
Androgens
ACTH, FSH, LH and ____ are tropic hormones.
Cortisol
TSH
ADH
PTH
T or F: Estrogen and progesterone directly regulate the menstrual uterine cycle.
True
False; prolactin
Which hormone is necessary for glucose to be taken up by body cells?
Insulin
ADH
Thymosin
Oxytocin
What is the most important hormone for regulating circulating calcium levels in the blood that is released when blood calcium levels drop?
ADH
Progesterone
PTH
Aldosterone
____ is a hypothalamic hormone important for regulating water balance.
Oxytocin
ADH
Insulin
Glucagon
____ is a short term stress hormone that aids in the fight or flight response by increasing BP and HR
Testosterone
Cortisol
Thyroxine
Epinephrine
The basal metabolic hormone is known as ____.
Progesterone
Thyroxine
Estrogen
Thymosin
Which of the following terms does not belong to the grouping?
ADH
Hormone storage
Nervous tissue
Anterior lobe
Which of the following terms does not belong to the grouping?
Decreases blood Ca2+
Increases blood Ca2+
Thyroid gland
Enhances Ca2+ deposit
A 2-year-old boy is brought into the clinic as he is overdeveloping sexually and has an obsessive craving for salt. A blood test reveals hyperglycemia (high blood glucose). Which endocrine gland is hypersecreting?
Thyroid
Testes
Adrenal cortex
Posterior pituitary
A woman goes to the clinic as she is not menstruating and her breasts are producing milk, despite never being pregnant. What hormone is being hypersecreted?
Prolactin
Estrogen
Progesterone
ADH
The major endocrine organs of the body:
Tend to be very large organs
Are closely connected with each other
All contribute to the same function (digestion)
Tend to lie near the midline of the body
Which is generally true of hormones?
Exocrine glands produce them
They travel throughout the body in the blood
They affect only non-hormone producing organs
All steroid hormones produce very similar physiological effects in the body
Which of the following are tropic hormones secreted by the anterior pituitary gland?
LH & FSH
ACTH & TSH
LH & TSH
All of the above (LH, FSH, ACTH, TSH)
Smooth muscle contractions are stimulated by which hormone?
Testosterone
FSH
Prolactin
Oxytocin
Which of the following is NOT true relative to the cyclic AMP second-messenger system?
The activating hormone interacts with a receptor site on the plasma membrane.
Binding of the hormone directly produces the second messenger.
Activated enzymes catalyze the transformation of AMP to cyclic AMP.
Cyclic AMP acts within the cell to alter cell function as is characteristic of that specific hormone.
Nerve input regulates the release of all of the following EXCEPT
Oxytocin
Epinephrine
Melatonin
Cortisol
ANP (a hormone secreted by the heart) has exactly the opposite function of which hormone secreted by the adrenal cortex?
Epinephrine
Cortisol
Aldosterone
Testosterone
All of the following hormones act directly or indirectly to elevate blood glucose levels EXCEPT:
GH
Cortisol
Insulin
ACTH
Hormones secreted by females include (select all that apply):
Estrogens
Progesterone
Prolactin
Testosterone
Which of the following is given as a drug to reduce inflammation?
Epinephrine
Cortisol
Aldosterone
ADH
Which of the following hormones are released by neurons (select all that apply):
Oxytocin
ADH
Insulin
Cortisol
The major stimulus for release of thyroid hormone is:
Hormonal
Humoral
Neural
A hormone NOT involved in glucose metabolism is:
Glucagon
Cortisone
Aldosterone
Insulin
What is the function of parathyroid hormone?
Increases bone formation and lowers blood calcium levels
Increases calcium excretion from the body
Decreases calcium absorption from the gut
Demineralizes bone and raises blood calcium levels
Most hormones are made and released as needed EXCEPT:
Catecholamines
Thyroxine
Insulin
Aldosterone
