ANATOMY AND PHYSIOLOGY CHAPTER 18
(ENDOCRINE SYSTEM) 2023-2024 EXAM
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+
Norepinephrine and epinephrine are considered to be ________ when released into
the bloodstream, but ________ when released at synapses.
a) Neurotransmitters; neuropeptides
b) Neurotransmitters; hormones
c) Neuropeptides; neurohormones
d) Hormones; neurotransmitters
e) Neuropeptides; neurotransmitters - Correct Answer -d) hormones;
neurotransmitters
Peptide hormones ___________.
a) Are composed of amino acids
b) Always contain one sugar molecule
c) Are lipid soluble
d) Usually bind to intranuclear receptors - Correct Answer -a) are composed of
amino acids
Hormones can be divided into different groups based on their chemistry. These
categories include
a) Steroids.
b) Amino acid derivatives.
c) Peptides.
d) Eicosanoids.
e) All of the above - Correct Answer -e) all of the above
, ANATOMY AND PHYSIOLOGY CHAPTER 18
(ENDOCRINE SYSTEM) 2023-2024 EXAM
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+
Which of the following hormones has intracellular receptors?
a) Insulin
b) Cortisol
c) Epinephrine - Correct Answer -b) cortisol
After a lipid-soluble hormone is bound to its intracellular receptor, what does the
hormone complex do?
a) Directly alters protein synthesis at the ribosome
b) Acts as a transcription factor and binds to DNA, activating a gene
c) Activates a protein kinase
d) Phosphorylates a protein - Correct Answer -b) acts as a transcription factor and
binds to DNA, activating a gene
Which organ of the female reproductive system is functionally part of the
endocrine system?
a) uterus
b) Cervix
c) Uterine tube
d) Ovary
e) Vagina - Correct Answer -d) ovary
The release of ACTH from the anterior lobe of the pituitary gland causes the
_______.
a) Adrenal cortex to release glucocorticoids
b) Gonads to release sex hormones
c) melanocytes to secrete melanin
(ENDOCRINE SYSTEM) 2023-2024 EXAM
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+
Norepinephrine and epinephrine are considered to be ________ when released into
the bloodstream, but ________ when released at synapses.
a) Neurotransmitters; neuropeptides
b) Neurotransmitters; hormones
c) Neuropeptides; neurohormones
d) Hormones; neurotransmitters
e) Neuropeptides; neurotransmitters - Correct Answer -d) hormones;
neurotransmitters
Peptide hormones ___________.
a) Are composed of amino acids
b) Always contain one sugar molecule
c) Are lipid soluble
d) Usually bind to intranuclear receptors - Correct Answer -a) are composed of
amino acids
Hormones can be divided into different groups based on their chemistry. These
categories include
a) Steroids.
b) Amino acid derivatives.
c) Peptides.
d) Eicosanoids.
e) All of the above - Correct Answer -e) all of the above
, ANATOMY AND PHYSIOLOGY CHAPTER 18
(ENDOCRINE SYSTEM) 2023-2024 EXAM
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+
Which of the following hormones has intracellular receptors?
a) Insulin
b) Cortisol
c) Epinephrine - Correct Answer -b) cortisol
After a lipid-soluble hormone is bound to its intracellular receptor, what does the
hormone complex do?
a) Directly alters protein synthesis at the ribosome
b) Acts as a transcription factor and binds to DNA, activating a gene
c) Activates a protein kinase
d) Phosphorylates a protein - Correct Answer -b) acts as a transcription factor and
binds to DNA, activating a gene
Which organ of the female reproductive system is functionally part of the
endocrine system?
a) uterus
b) Cervix
c) Uterine tube
d) Ovary
e) Vagina - Correct Answer -d) ovary
The release of ACTH from the anterior lobe of the pituitary gland causes the
_______.
a) Adrenal cortex to release glucocorticoids
b) Gonads to release sex hormones
c) melanocytes to secrete melanin
