Ch. 18.1-18.3

Which hormone secreted by the adenohypophysis simulates the release of hormones by the adrenal cortex?

Adrenocorticotropic hormone

Which pituitary hormone causes a decrease in the amount of water lost in the kidneys?

Antidiuretic hormone

Which of the following is an important second messenger produced by hormonal effects on a target cell?

Cyclic AMP

The biogenic amino hormones include

E, NE, dopamine, melatonin, and thyroid hormones

Which pituitary hormone causes liver cells to release somtomedins that increase the rate of uptake of amino acids by cells such a s skeletal muscle fibers?

Growth hormone

What is the slender, funnel-shaped structure that connects the pituitary gland to the hypothalamus?

Infundibulum

What is another name for the posterior lobe of the pituitary?

Neurohypophysis

The hypothalamus secretes regulatory hormones that affect what gland?

Pituitary gland

Which type of communication is involved in short-lived communication and crisis management?

Synaptic communication

What is meant by the term second messenger in endocrine communication?

an intermediary molecule produced by hormone and receptor interaction

What is NOT a way hormones affect target cells?

causing an action potential to occur

Response patterns in the endocrine system are particularly effective in

coordination cell tissue and organ activities on a sustained long-term basis

What time of communication allows gap junctions between adjacent cells?

direct communication

An abnormally low production of gonadotropin produces a condition called?

hypogonadism

Why is the hypothalamus a major coordinating and control center?

it contains autonomic centers and acts as an endocrine organ

In what category are the eicosanoids, based on chemical structure?

lipid derivatives

The release of hormones by endocrine cells alters the

metabolic activities of many tissues and organs simultaneously

What is an example of a hormone that doesn't bind to receptors on the plasma membrane, but rather to intracellular receptors in the cytoplasm?

steroid hormones

The hypothalamus provides the highest level of endocrine control. Which of the following is NOT a way the hypothalamus provides control?

the hypothalamus produces and secretes neurotransmitters, and distributes them to neurons.

What is false about hormones?

they are involved in direct communication between cells