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