APHY 102 Exam 1 Endocrine System and
Blood Questions and Answers
Virtually all amino acid-based hormones exert their signaling effects through intracellular ________.
second messengers
Which of the following is NOT a category of endocrine gland stimulus?
enzymatic
Chemical substances secreted by cells into the extracellular fluids that travel through the blood and
regulate the metabolic function of other cells in the body are called ________.
hormones
Which of the following is NOT a cardinal sign of diabetes mellitus?
polycythemia
Which of the following is NOT a change typically produced by a hormonal stimulus?
stimulates production of an action potential
The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on
________.
the presence of the appropriate receptors on the cells of the target tissue or organ
We have an expert-written solution to this problem!
The posterior lobe of the pituitary gland is NOT a true endocrine gland because ________.
it is only a hormone storage area that receives hormones from the hypothalamus for release
Steroid hormones exert their action by ________.
entering the nucleus of a cell and initiating or altering the expression of a gene
The major targets of growth hormone are ________.
liver, bones, and skeletal muscles
The single most important regulator of calcium levels in the blood is ________.
parathyroid hormone
In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of
target cells will specify the synthesis of more receptors on the surface of the cells of the target organ.
This is known as ________.
up-regulation
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.
Blood Questions and Answers
Virtually all amino acid-based hormones exert their signaling effects through intracellular ________.
second messengers
Which of the following is NOT a category of endocrine gland stimulus?
enzymatic
Chemical substances secreted by cells into the extracellular fluids that travel through the blood and
regulate the metabolic function of other cells in the body are called ________.
hormones
Which of the following is NOT a cardinal sign of diabetes mellitus?
polycythemia
Which of the following is NOT a change typically produced by a hormonal stimulus?
stimulates production of an action potential
The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on
________.
the presence of the appropriate receptors on the cells of the target tissue or organ
We have an expert-written solution to this problem!
The posterior lobe of the pituitary gland is NOT a true endocrine gland because ________.
it is only a hormone storage area that receives hormones from the hypothalamus for release
Steroid hormones exert their action by ________.
entering the nucleus of a cell and initiating or altering the expression of a gene
The major targets of growth hormone are ________.
liver, bones, and skeletal muscles
The single most important regulator of calcium levels in the blood is ________.
parathyroid hormone
In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of
target cells will specify the synthesis of more receptors on the surface of the cells of the target organ.
This is known as ________.
up-regulation
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.
