Endocrine System Quiz

A rise in the cortisol would cause an increase in each of the following, except?

ACTH levels

The posterior pituitary gland secretes

ADH

Parathyroid hormone

All of these answers are correct

A hormone that can lower blood levels of calcium ion is

calcitonin

Jellylike substance found in the thyroid follicles containing high concentrations of stored thyroglobulin

colloid

Damage to the cells of the zona fasciculate of the adrenal cortex would result in

decreased the ability to convert amino acids to glucose

After a steroid hormone binds to its receptor to form an active complex

gene transcription is initiated

Which of the following hormones may lead to acromegaly if hypersecreted after closure of the epiphyseal plates?

growth hormone

Which of the following hormones are essential for the formation of thyroid hormone?

iodine

GH

is secreted by the anterior pituitary and binds to plasma protein

The condition known as the goiter can result from too

little iodine in the diet

Individuals with type two diabetes

may often control their disease by diet and exercise

Region of the hypophysis that releases hormones stored in neurosecretory bodies in axon terminals

neurohypophysis

Before the discovery of these glands, thyroid surgery often led to a rapid drop in blood calcium levels, which triggered muscle contraction and cardiac arrhythmias. What glands are these and which hormone is lacking?

parathyroid glands; parathyroid hormone

Diabetes insidious can be caused by trauma to the

posterior pituitary gland

The link between a first messenger and a second messenger in a cell that responds to peptide hormone is usually

a G protein

A hormone that helps to regulate the sodium ion content of the body is

aldosterone

A sodium that helps to regulate the sodium ion content of the body is

aldosterone

In persons with untreated diabetes mellitus

all of the above

The secretion of hormones by the anterior lobe of the pituitary is controlled by the

hypothalamus

Hyperthyroidism

increase protein catabolism

The anatomical stalk of the pituitary is also known as

infundibulum

The hypophyseal portal veins are primarily located in the

infundibulum

The pancreatic hormone that causes blood sugar levels to fall is

insulin

The hypothalamus controls secretion by the adenohypohysis by

secreting releasing and inhibiting factors into a tiny portal system

The target of follicle-stimulating hormone (FSH) is

the gonads

Which of the following statements concerning the endocrine glands is incorrect?

the hormones they secrete travel more quickly than nerve impulses

Class of hormones that regulates secretions of other endocrine glands

tropic

Cells that manufacture and secrete androgens are located in the

zona reticularis