quiz 4 endocrine

42 terms by emmasma 

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Which of the following are catabolic processes?

Glycogenolysis; Gluconeogenesis; Lipolysis;
All are correct

Which of the following is an effect of hyperthyroidism?

High BMR;
Rapid pulse;
Increased T4 in plasma;
All are correct

Most tissues are targets for

GH

A tumor stimulating oversecretion of hormones by the thyroid gland would cause plasma Ca2+ to increase.

False

Which of the following is a characteristic of a steroid hormone?

Nonpolar; produced from cholesterol;
transported by a carrier protein;
All are correct

The anterior pituitary gland is also called the neurohypophysis.

False

Protein hormones bind to receptors located within the plasma membrane.

True

How is melatonin secretion regulated?

though the effect of light/dark cycles on the brain

Epinephrine and norepinephrine, like some other polar hormones, use _____ as a second messenger.

cyclicAMP

Oxytocin synthesis occurs in the neurohypophysis.

False

Which of the following hormones promotes anabolism?

Insulin

__________ is a potent mineralocorticoid that helps increase blood volume and pressure.

Aldosterone

Diabetes mellitus occurs due to lack of pancreatic b-cell function.

True

Regulation of mineral homeostasis would be inhibited due to decreased secretion of

Corticotropin releasing hormone

Which of the following is NOT one of the three functional categories of corticosteroids?

Thyrocorticoids

What are the three functional categories of corticosteroids?

Mineralocorticoids; Glucocorticoids; Sex steroids

The hypothalamo-hypophyseal portal system transports

releasing hormones; inhibiting hormones; Both are correct

Types of polar hormones include polypeptides, proteins, and glycoproteins.

True

Which of the following is NOT a corticosteroid?

Melatonin

Which of the following is a corticosteroid?

Androstenedione; glucocorticoid; mineralocorticoid;`
All are correct

Melatonin secretion is greatest at night.

True

Aldosterone functions in the conservation of _____.

Water; sodium

melatonin is a corticosteroid. TF

False

Growth is inhibited by

Increasing somatostatin secretion

Which of the following is a posterior pituitary hormone?

Oxytocin and ADH

The conversion of noncarbohydrate molecules like amino acids into glucose is called _____.

GLYCOGENOLYSIS

Cortisol secretion would cease if the _________ no longer secreted ACTH.

Anterior pituitary gland

The adrenal cortex is involved in Regulation of reproduction TF

True

The ____________ has a cortex and a medulla each of different embryonic origin.

Adrenal gland

Carrier proteins would be required by

Aldosterone

Increased circulating concentrations of testosterone stimulates

Decreased secretion of luteinizing hormone

A(n) _____________ is an abnormal growth of the thyroid gland due to an iodine deficiency.

Goiter

_______________ refers to all of the chemical changes within the cells of the body.

Metabolism

Under prolonged stress, the general adaptation syndrome maintains high blood cortisol levels in opposition to negative feedback control.

True

Individuals with type 2 diabetes mellitus may produce more insulin than normal.

True

Types of polar hormones include polypeptides, proteins, and glycoproteins.

True

Polypeptide and glycoprotein hormones can be taken orally.

False

Over secretion of parathyroid hormone increases basal metabolic rate and may cause weight lose.

False

Over secretion of thyroxine increases basal metabolic rate and may cause weight lose.

True

Inhibition of luteinizing hormone secretion would inhibit testosterone synthesis.

True

Thyroid hormones, thyroxine and triiodothyronine, are nonpolar and can cross plasma membranes.

true

Lipophilic hormones travel in the blood bonded to carrier proteins.

True

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