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
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.
During an afternoon class, Lisa starts to feel hungry and worries that her blood
sugar level may be dropping. Which hormone is helping to prevent a drop in
blood sugar level?
glucagon
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?
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
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.
During an afternoon class, Lisa starts to feel hungry and worries that her blood
sugar level may be dropping. Which hormone is helping to prevent a drop in
blood sugar level?
glucagon
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?
