Endocrine quiz 12

The major targets of growth hormone are

bones and skeletal muscles

When blood glucose levels fall,

glucagon is released

The parathyroid glands respond to which type of stimulus

humoral

Where are the hormones secreted by the posterior pituitary made

hypothalamus

The hormone secreted by the pancreatic alpha cells would result in

increased synthesis and release of glucose by the liver.

Which of the following is the pancreatic hormone that is released when blood glucose levels rise

insulin

The hormone that causes the activation of osteoclasts

parathyroid hormone

The hormone that causes the activation of osteoclasts is

parathyroid hormone

Which hormone has only one known effect: to stimulate milk production by the breasts?

prolactin

The endocrine system

relies on the release of chemicals that bind to target cells

Adrenocorticotropic hormone (ACTH)

secretion is regulated by a hypothalamic regulatory hormone

Peripheral structures sensitive to the presence of hormones are called

target cells

At age 85, Lyle's immune system does not respond to vaccines as well as it did when he was younger. The atrophy of which endocrine gland is likely responsible for this?

thymus

Another name for anti diuretic hormone is

vasopressin

A rise in glucocorticoid levels causes which of the following

A decline in the production of both ACTH and CRH

causes release of hormones from the cortex of the adrenal gland

ACTH (adrenocorticotropic hormone)

Which of the following is released by the posterior pituitary

ADH anti diuretic

Which of the following hormones requires a releasing hormone from the hypothalamus in order to be released

FSH

Two hormones referred to as gonadotropins are

FSH and LH

A man has been told that he is not synthesizing enough follicle-stimulating hormone (FSH), and for this reason he may be unable to father a child. Choose the correct statement to explain this problem.

FSH stimulates sperm production in the testes

Target cells of hypothalamic releasing and inhibiting hormones are located in the

anterior pituitary

All hormones are

chemical messengers

Which of the following primarily targets the gonads (ovaries and testes)

follicle-stimulating hormone

Which of the following is the pancreatic hormone that is released when blood glucose levels raise

Insulin

Which of the following endocrine glands is attached to the brain

Pituitary

Preparation of the uterus for implantation results from stimulation by

Progesterone

Upon landing at the airport in Lagos, Nigeria, Eric feels wide awake even though the local time is 11pm. Which synthetic hormone supplement could he administer to help adjust to the new time zone?

melatonin

The single most important regulator of calcium levels in the blood is

parathyroid hormone

Which of the following is not a cardinal sign of diabetes mellitus

polycythemia

Triiodothyronine is a hormone secreted by the

thyroid gland