By Richard L. Drake; A. Wayne Vogl; Adam W. M.
Mitchell
the endocrine system - ANSWER:secretes chemicals that reach their target through
the bloodstream
what type of chemical messenger stimulates the cell that originally secreted it? -
ANSWER:autocrine
what is it about a cell that identifies it as a target cell for a hormone - ANSWER:the
presence of a receptor specific for that hormone
Which pattern of hormone secretion, often observed in steroid reproductive
hormones, will fluctuate over a monthly cycle? - ANSWER:episodic hormone
secretion
Secretion of one hormone by the action of another hormone is control by _______
stimuli. - ANSWER:hormonal
Most hormones are regulated by - ANSWER:negative feedback mechanisms
In some forms of diabetes, an insensitivity to insulin seems to be present. This
insensitivity could be the result of - ANSWER:down-regulation
the hypothalamus - ANSWER:regulates the secretory activity of the pituitary gland
what hormone is sometimes given to woman to increase labor - ANSWER:oxytocin
the two functional portions of the pituitary gland are the -
ANSWER:neurohypophysis and adenohypophsis
ADH is also called vasopressin because at high concentrations it causes -
ANSWER:constriction of blood vessels
ADH is secreted in response to - ANSWER:increased osmotic pressure of the body
fluids
what role does oxytocin play in lactation - ANSWER:ejection of milk
which gland is located in the sella turcica? - ANSWER:pituitary (hypophysis)
, growth hormone - ANSWER:increases amino acid uptake in cells
If GH (growth hormone) secretion is deficient in a newborn, the child will -
ANSWER:probably experience reduced bone growth
what stimulates follicles in the ovary? - ANSWER:fsh
Removal of the anterior pituitary would affect the functioning of the -
ANSWER:thyroid gland
what are the target tissues for the parathyroid hormone? - ANSWER:bone, kidney,
small intestine
adrenal androgens - ANSWER:stimulate growth of pubic hair in females.
a function of insulin is to - ANSWER:increase the uptake of glucose by its target
tissues.
Glucagon primarily influences cells of the - ANSWER:liver
Which gland does NOT produce reproductive hormones? - ANSWER:thyroid
the response of target cells to endocrine stimulation is ________ than their
responses - ANSWER:slower and more prolonged
Synthesis of progesterone in the ovary and testosterone in the testis is stimulated by
- ANSWER:LH
Erythropoietin - ANSWER:is a product of the kidneys
which of the following functions is associated with blood? - ANSWER:delivery of
oxygen to tissue cells
In adults, red blood cell production occurs in__________. - ANSWER:bone marrow
which of the following is not a consequence of sickle cell anemia? - ANSWER:sickle-
shaped red blood cells are less likely to rupture
Platelets - ANSWER:thrombocytes; cell fragments in the blood that are essential for
blood clotting (coagulation)
a blood clot attached to a blood vessel wall is called? - ANSWER:thrombus
which of the following is a stage of hemostasis? - ANSWER:coagulation