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ANSC 4043 Exam 1 with Solutions
Graded A+
Which 2 systems in the body work together as coordinating systems and are
involved in the chemical integration of the body? Ans: Endocrine and Nervous
Endocrine glands differ from exocrine glands in that______. Ans: endocrine
glands are ductless and exocrine glands release secretions at the body's
surface or into ducts
Estrogen, progesterone, and testosterone belong to which chemical class of
hormones? Ans: Steroids
Prostaglandin F 2 α belongs to which chemical class of hormones? Ans:
Eicosanoids
Match the 3 plasma membrane receptor structures with its appropriate
hormone.
___ Single Transmembrane
___ Tetra Heterodimer
___ 7 Helix transmembrane
A. insulin
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B. GnRH
C. epidermal growth factor Ans: Single Transmembrane - Epidermal growth
factor
Tetra Heterodimer - insulin
7 Helix transmembrane - GnRH
GnRH belongs to which major chemical class of hormones? Ans: Proteins
Would you expect that receptors for GnRH are located on the plasma
membrane or in the cytoplasm or nucleus of the target cells in the anterior
pituitary? Ans: plasma membrane
How is the GnRH conveyed from the hypothalamus to the anterior pituitary?
Ans: portal system
thyroxin (T4) is a hormone that is produces in greatest amounts by the thyroid
gland. Ans: It has numerous metabolic functions within the body
thyroxin belongs to which major structural class of hormones? Ans: amino
acid derivative
which pituitary hormone stimulates the synthesis of thyroxin (spell out) Ans:
Thyroid stimulating hormone (TSH)
ANSC 4043 Exam 1 with Solutions
Graded A+
Which 2 systems in the body work together as coordinating systems and are
involved in the chemical integration of the body? Ans: Endocrine and Nervous
Endocrine glands differ from exocrine glands in that______. Ans: endocrine
glands are ductless and exocrine glands release secretions at the body's
surface or into ducts
Estrogen, progesterone, and testosterone belong to which chemical class of
hormones? Ans: Steroids
Prostaglandin F 2 α belongs to which chemical class of hormones? Ans:
Eicosanoids
Match the 3 plasma membrane receptor structures with its appropriate
hormone.
___ Single Transmembrane
___ Tetra Heterodimer
___ 7 Helix transmembrane
A. insulin
, 2|Page
B. GnRH
C. epidermal growth factor Ans: Single Transmembrane - Epidermal growth
factor
Tetra Heterodimer - insulin
7 Helix transmembrane - GnRH
GnRH belongs to which major chemical class of hormones? Ans: Proteins
Would you expect that receptors for GnRH are located on the plasma
membrane or in the cytoplasm or nucleus of the target cells in the anterior
pituitary? Ans: plasma membrane
How is the GnRH conveyed from the hypothalamus to the anterior pituitary?
Ans: portal system
thyroxin (T4) is a hormone that is produces in greatest amounts by the thyroid
gland. Ans: It has numerous metabolic functions within the body
thyroxin belongs to which major structural class of hormones? Ans: amino
acid derivative
which pituitary hormone stimulates the synthesis of thyroxin (spell out) Ans:
Thyroid stimulating hormone (TSH)
