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