Portage A&P1 Module 6 Exam 2025
Questions and Answers
Explain two reasons why a woman with low levels of LH would not be able to become
pregnant. -CORRECTANSWER (1) LH acts on the ovary to cause ovulation to occur.
(2) LH causes progesterone release to facilitate potential fertilization of the egg and
pregnancy. Progesterone is a key hormone for the maintenance of pregnancy.
Would you expect a female to have testosterone in their bloodstream? Explain why or
why not. -CORRECTANSWER (1) Yes. Both male and female bodies produce "all" the
sex hormones. However, the ratios are different.(2) The adrenal glands are largely
responsible for producing this "opposite" hormone that the ovaries would not.
Label the endocrine glands (A-D)
A: ______________B: ______________C: ______________D: ______________ -
CORRECTANSWER A. thyroid gland
B. adrenal gland
c. kidney
d. pancreas
Explain the concept of positive feedback. Give an example of a hormone that works
through positive feedback. -CORRECTANSWER 1- Positive feedback is the action of a
, hormone increasing the production of that hormone. (This is the opposite of negative
feedback).
2- One example is the action of oxytocin causing the uterus to contract during labor.
Oxytocin enhances the effect of the uterus contractions, causing more oxytocin to be
released. The positive feedback loop is stopped once the baby is born and the uterus
no longer needs to contract, stopping the production of oxytocin.
This type of hormone is derived from cholesterol: -CORRECTANSWER Steroid
hormones
Growth hormone: -CORRECTANSWER Is produced by the anterior pituitary gland
Neurosecretory cells are a part of what endocrine organ? -CORRECTANSWER
Hypothalamus
Which hormone production is increased with sunlight? -CORRECTANSWER MSH
(melanocyte stimulating hormone)
The posterior pituitary stores these two hormones: -CORRECTANSWER ADH and
Oxytocin
List the hormone(s) that best describes the statement below:
Questions and Answers
Explain two reasons why a woman with low levels of LH would not be able to become
pregnant. -CORRECTANSWER (1) LH acts on the ovary to cause ovulation to occur.
(2) LH causes progesterone release to facilitate potential fertilization of the egg and
pregnancy. Progesterone is a key hormone for the maintenance of pregnancy.
Would you expect a female to have testosterone in their bloodstream? Explain why or
why not. -CORRECTANSWER (1) Yes. Both male and female bodies produce "all" the
sex hormones. However, the ratios are different.(2) The adrenal glands are largely
responsible for producing this "opposite" hormone that the ovaries would not.
Label the endocrine glands (A-D)
A: ______________B: ______________C: ______________D: ______________ -
CORRECTANSWER A. thyroid gland
B. adrenal gland
c. kidney
d. pancreas
Explain the concept of positive feedback. Give an example of a hormone that works
through positive feedback. -CORRECTANSWER 1- Positive feedback is the action of a
, hormone increasing the production of that hormone. (This is the opposite of negative
feedback).
2- One example is the action of oxytocin causing the uterus to contract during labor.
Oxytocin enhances the effect of the uterus contractions, causing more oxytocin to be
released. The positive feedback loop is stopped once the baby is born and the uterus
no longer needs to contract, stopping the production of oxytocin.
This type of hormone is derived from cholesterol: -CORRECTANSWER Steroid
hormones
Growth hormone: -CORRECTANSWER Is produced by the anterior pituitary gland
Neurosecretory cells are a part of what endocrine organ? -CORRECTANSWER
Hypothalamus
Which hormone production is increased with sunlight? -CORRECTANSWER MSH
(melanocyte stimulating hormone)
The posterior pituitary stores these two hormones: -CORRECTANSWER ADH and
Oxytocin
List the hormone(s) that best describes the statement below: