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BIOD 151 MODULE 6 EXAM 2024 –BIOD151 M6 EXAM GRADED A PORTAGE LEARNING 2024 VERSION
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BIOD 151 MODULE 6 EXAM 2024 –BIOD151 M6 EXAM GRADED A PORTAGE LEARNING 2024 VERSION
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1|PageBIOD 151 MODULE 6 EXAM 2024 –BIOD151 M6
EXAM GRADED A PORTAGE LEARNING 2024
VERSION
Explain two reasons why a woman with low levels
of LH would not be able to become pregnant. -
CORRECT ANSWER >>>>(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. -
CORRECT ANSWER >>>>(1) Yes. Both male and
female bodies produce "all" the sex hormones.
However, the ratios are different. (2) The adrenal
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glands are largely responsible for producing this
"opposite" hormone that the ovaries would not.
Label the endocrine glands (A-D) A:
______________ B: ______________ C:
______________ D: ______________ - CORRECT
ANSWER >>>>A: Thyroid gland B: Adrenal gland C:
Kidney D: Pancreas
3. Label the endocrine glands (A-C) - CORRECT
ANSWER >>>>A: Pineal gland B: Hypothalamus C:
Pituitary gland
Explain the concept of negative feedback and how it
helps to maintain homeostasis. - CORRECT ANSWER
>>>>1- The effect or increased level of the hormone
acts to shut down the con!nued release of the
hormone. 2- The brain is constantly monitoring
hormone levels to keep levels within a certain range
or set-point (homeostasis). Nega!ve feedback is a
way of "turning off" hormone produc!on when the
desired level is achieved
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4. Explain the concept of positive feedback. Give an
example of a hormone that works through positive
feedback. - CORRECT ANSWER >>>>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:
A. Peptide hormones
B. Catecholamines
C. Steroid hormones
D. Tyrosine - CORRECT ANSWER >>>>C
5. This type of hormone is derived from proteins:
A. Peptide hormones
B. Catecholamines
C. Steroid hormones
D. Tyrosine - CORRECT ANSWER >>>>A
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