Endocrine System Ch. 17 Recall
Adrenal steroids that regulate glucose metabolism are collectively called___________.
glucocorticoids
Hypothalamic releasing factors are delivered to the anterior pituitary way of the network of blood vessels called the ___________.
hypophyseal portal system
Target cells can reduce pituitary secretion by a process called__________.
negative feedback inhibition
Where are the receptors for insulin located? a. in the pancreatic beta cells b. in the blood plasma c. on the target cell membrane d. in the target cell cytoplasm e. in the target cell nucleus
on the target cell membrane
Which of these hormones relies on cAMP as a second messenger? a. ACTH b. progesterone c. thyroxine d. testosterone e. estrogen
ACTH
Which of the cells stimulate bone deposition? a. alpha cells b. beta cells c. C cells d. G cells e. T cells
C cells
A deficiency of dietary iodine would lead to negative feedback inhibition of TSH synthesis.
False
True or False: All hormones are secreted by endocrine glands.
False
True or False: Of the endocrine organs covered in this chapter only the adrenal glands are paired; the rest are single.
False
True or False: The pineal gland and thymus are larger in adults than in children.
False
True or False: The tissue at the center of the adrenal gland is called the zona recticularis.
False
The dominant hormone in the stage of resistance of stress response is ____________.
cortisol
True or False: An atherosclerotic deposit that blocked blood flow in the hypophyseal portal system would cause the testes and ovaries to malfunction.
True
True or False: Castration would raise a man's blood gonadotropin concentration.
True
True or False: Epinephrine and thyroid hormone have the same metabolic rate and blood pressure.
True
True or False: Hormones in the glycoprotein class cannot have cytoplasmic or nuclear receptors in their target cells.
True
True or False: Tumors can lead to either hyposecretion or hypersecretion of various hormones.
True
Growth hormone (GH) hypersecretion in adulthood causes a disease called ___________.
acromegaly
The _______ develops from the hypophyseal pouch of the embryo.
adenohypophysis
Prostagladins are derived from? a. proopiomelancortin b. cyclooxygenase c. leukotriene d. lipoxygenase e. arachidonic acid
arachidonic acid
What would be the consequence of defective ADH receptors? a. diabetes mellitus b. adrenogenital syndrome c. dehydration d. seasonal affective disorder e. none of these
dehydration
Testosterone is secreted by the_______ cells of the testis.
interstitial
Which hormone would o longer be secreted if the hypothalamo hypophyseal tract were destroyed? a. oxytocin b. follicle stimulating hormone c. growth hormone d. adrenocorticotropic hormone e. corticosterone
oxytocin
A hormone is said to have a/an _______ effect when it stimulates the target cell to develop receptors for other hormones to follow.
permissive
Which of the following hormones has the least in common with others? a. adrenocorticotrophic hormone b. follicle stimulating hormone c. thyrotropin d. thyroxine e. prolactin
prolactin
Which of these has more exocrine than endocrine tissue? a. the pineal gland b. the adenohypophysis c. the thyroid gland d. the pancreas e. the adrenal gland
the pancreas
CRH secretion would not raise the blood concentration of? a. ACTH b. thyroxine c. cortisol d. corticosterone e. glucose
thyroxine
Which of the following is not a hormone? a. prolactin b. prolactin inhibiting hormone c. thyroxine binding globulin d. atrial natriuretic peptide e. cortisol
thyroxine binding globulin
Thyroxine (T4) is synthesized by combining 2 iodinated molecules of the amino acid_____________.
tyrosine
_________ is a process in which cell increases its number of receptors for a hormone.
up-regulation
