ANSC 4395 Study Guide Questions with
Verified Correct Answers
pituitary gland
a major endocrine organ located immediately below the brain. Produces a large number of
protein and peptide hormones. (Often called the "master gland")
hormone
A chemical substance secreted by cells of endocrine glands and tissues that regulates activity
of other cells in the body is a ___
roosters
In the first recorded endocrine experiment, Berthold worked with what type of animals?
pancreas
What gland has endocrine and exocrine tissue?
steroid
Testosterone is a ___
"i stir up or stimulate"
The word hormone comes from a Greek word meaning ___
protein/peptide
Growth hormone is an example of which chemical class of hormone?
hypothalamus
a region of the brain that controls an immense number of bodily functions. It is located in the
middle of the base of the brain, and encapsulates the ventral portion of the third ventricle.
,endocrine and nervous
In the chemical integration of the body, which two systems work together to control many
physiological processes (such as milk letdown in dairy cows or ovulation in rabbits)?
secretin
In the first critical experiment demonstrating the existence of a hormone, which hormone was
discovered by Bayliss and Starling?
negative
When the production of one hormone causes the production of another hormone to decrease,
this is called ___ feedback
thyroid hormone
Amino Acid Derivatives are one of the four major classes of hormones. Which of the
following is a hormone that is an amino acid derivative?
ATP to cAMP
Adenylate cyclase is an enzyme that converts ___ to ___
endocrine
Which is an action in which the hormone is distributed in the blood and binds to a distant
target cell?
steroid hormones
Which class of hormones does NOT have cell surface receptors?
-eicosanoids
-catecholamines
, -steroid hormones
-protein/peptide hormones
second messengers
Binding of a hormone to a plasma membrane receptor initiates a series of events which leads
to the generation of ___ within the cell. These then trigger a series of molecular interactions
that alter the physiological state of the cell.
receptors
Molecular components of cells that provide specificity for hormone-cell interaction
phospholipid derivatives
Diacyl glycerol (DG) and inositol triphosphate (IP3) are messenger components of which
second messenger system?
tetra heterodimer
The insulin receptor has which type of receptor structure?
G proteins
Regulatory proteins that are components of transduction of signals are called ___
pars intermedia
Which region, or section, of the adenohypophysis is present and functional in the horse but
not in humans?
adenohypophysis
Glandular portion of the pituitary gland
lactotropes
Verified Correct Answers
pituitary gland
a major endocrine organ located immediately below the brain. Produces a large number of
protein and peptide hormones. (Often called the "master gland")
hormone
A chemical substance secreted by cells of endocrine glands and tissues that regulates activity
of other cells in the body is a ___
roosters
In the first recorded endocrine experiment, Berthold worked with what type of animals?
pancreas
What gland has endocrine and exocrine tissue?
steroid
Testosterone is a ___
"i stir up or stimulate"
The word hormone comes from a Greek word meaning ___
protein/peptide
Growth hormone is an example of which chemical class of hormone?
hypothalamus
a region of the brain that controls an immense number of bodily functions. It is located in the
middle of the base of the brain, and encapsulates the ventral portion of the third ventricle.
,endocrine and nervous
In the chemical integration of the body, which two systems work together to control many
physiological processes (such as milk letdown in dairy cows or ovulation in rabbits)?
secretin
In the first critical experiment demonstrating the existence of a hormone, which hormone was
discovered by Bayliss and Starling?
negative
When the production of one hormone causes the production of another hormone to decrease,
this is called ___ feedback
thyroid hormone
Amino Acid Derivatives are one of the four major classes of hormones. Which of the
following is a hormone that is an amino acid derivative?
ATP to cAMP
Adenylate cyclase is an enzyme that converts ___ to ___
endocrine
Which is an action in which the hormone is distributed in the blood and binds to a distant
target cell?
steroid hormones
Which class of hormones does NOT have cell surface receptors?
-eicosanoids
-catecholamines
, -steroid hormones
-protein/peptide hormones
second messengers
Binding of a hormone to a plasma membrane receptor initiates a series of events which leads
to the generation of ___ within the cell. These then trigger a series of molecular interactions
that alter the physiological state of the cell.
receptors
Molecular components of cells that provide specificity for hormone-cell interaction
phospholipid derivatives
Diacyl glycerol (DG) and inositol triphosphate (IP3) are messenger components of which
second messenger system?
tetra heterodimer
The insulin receptor has which type of receptor structure?
G proteins
Regulatory proteins that are components of transduction of signals are called ___
pars intermedia
Which region, or section, of the adenohypophysis is present and functional in the horse but
not in humans?
adenohypophysis
Glandular portion of the pituitary gland
lactotropes
