Question

Inhibition of GnRH release _______________ when circulating concentrations of testosterone increase while inhibition of GnRH release...

Inhibition of GnRH release _______________ when circulating concentrations of testosterone increase while inhibition of GnRH release _______________ when circulating concentrations of testosterone decrease

Select one:

a. Increases and decreases, respectively.

b. Increases and increases, respectively.

c. Decreases and decreases, respectively.

What would happen to the release of GnRH and LH if you removed the testes from a male rat?

Select one:

a. The release of GnRH and LH would both increase.

b. GnRH would decrease while LH release would increase.

c. GnRH would increase while LH release would decrease.

Science   Anatomy-And-Physiology   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

1st question- increase and decrease respectively.

explanation- GnRH is a hormone secreted by hypothalamus which acts on anterior pituitary to release LH and FSH. LH and FSH acts on testës to release testosterone. When testosterone levels are high, then a negative feedback mechanism operates which sends signal to hypothalamus to stop or decrease the release of GnRH. Thus level of testosterone is inversely proportional to GnRH release from hypothalamus.

2nd question- level of both GnRH and LH will increase.

as stated above, LH and FSH acts on testës to produce testosterone. When testes are removed, then there will be no testosterone circulating in the blood. This will send signals of hypothalamus to release more GnRH so that more testosterone can be produced. GnRH acts on pituitary to produce more LH.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Neurons in the _______ of the hypothalamus have been implicated in the surge release of GnRH...
Neurons in the _______ of the hypothalamus have been implicated in the surge release of GnRH A) SON B) PVN C) MBH D) LHA E) MPOA Concerning GnRH, which one of the following statements is not true? a) it is a decapeptide b) its secretion always follow a bimodal pattern c) it triggers the release of LH and FSH from the anterior pituitary d) it triggers its effect at the anterior pituitary cells by binding to a G-protein coupled receptor...
Normally menstruation occurs when ________. Select one: A. the corpus luteum secretes estrogen B. blood levels...
Normally menstruation occurs when ________. Select one: A. the corpus luteum secretes estrogen B. blood levels of FSH fall off C. blood levels of estrogen and progesterone increase D. blood levels of estrogen and progesterone decrease Which of the following comparisons of the central and peripheral chemoreceptors are true? Select all that apply. Select one or more: A. Only the peripheral chemoreceptors respond to decreases in oxygen B. They are both equally important in responding to increases in the partia...
An increase in Select one: a. nominal output raises the interest rate while a fall in...
An increase in Select one: a. nominal output raises the interest rate while a fall in real output lowers the interest rate, given the price level and the money supply. b. real output decreases the interest rate while a fall in real output increases the interest rate, given the price level. c. real output raises the interest rate while a fall in real output lowers the interest rate, given the money supply. d. nominal output raises the interest rate while...
1) What lubricates the walls of the v*gna when a woman becomes sexually aroused? Select one:...
1) What lubricates the walls of the v*gna when a woman becomes sexually aroused? Select one: a. Transudate b. Secretions from Bartholin's glands c. Secretions from the cervix d. Secretions from Skene's glands 2. Which of the following treatments would likely be effective at increasing sexual drive and desire in women? Check all correct options for full credit. Select one or more: a. Testosterone b. Progesterone c. Prozac d. Flibanserin 3. Which of the following happens during sexual arousal when...
Beer and Wine are substitutes. Favorable weather in California has produced a good harvest of grapes   ...
Beer and Wine are substitutes. Favorable weather in California has produced a good harvest of grapes    (used to produce wine). What impact does this have on the consumer and producer surplus for BEER? Select one: a. Consumer surplus increases; Producer surplus decreases b. Consumer surplus is ambiguous; Producer surplus decreases c. Consumer surplus is ambiguous; Producer surplus increases d. Consumer surplus is increases; Producer surplus is ambiguous e. None of the above When price rises by 10%, the quantity falls...
The following is occurring in the market for bicycles: There is an increase in the number...
The following is occurring in the market for bicycles: There is an increase in the number of firms. There is a positive change in consumer tastes. Consumers expect prices to increase. Costs of inputs have decreased. There has been an increase in the number of consumers. Based on this information, what can be predicted with certainty? a. The equilibrium price will decrease. b. The equilibrium quantity will increase. c. The equilibrium price will increase. d. The equilibrium quantity will decrease....
1. Which would cause an increase in interest rates in credit markets?    a.   An increase...
1. Which would cause an increase in interest rates in credit markets?    a.   An increase in the supply of consumer saving    b.   A decrease in business demand for credit    c.   An increase in consumer demand for credit    d.   An increase in the supply of business saving 2. As interest rates decrease, the:    a.   Cost of current consumption relative to future consumption remains the same    b.   Cost of current relative to future consumption increases   ...
2) The atomic number of an atom is A: the number of protons in the atom....
2) The atomic number of an atom is A: the number of protons in the atom. B: the number of neutrons in the atom. C: the number of protons plus the number of electrons in the atom. D: the number of protons plus the number of neutrons in the atom. E:None of these choices are correct. 3) An example of one of the ways a pH buffer helps to maintain homeostasis is to A: reduce the OH- concentration if pH...
QUESTION 31 A company's Sales Revenue for an accounting period would be included in: Select one:...
QUESTION 31 A company's Sales Revenue for an accounting period would be included in: Select one: a. Comprehensive Income b. Other Comprehensive Income c. Both Comprehensive Income and Other Comprehensive Income d. Neither Comprehensive Income nor Other Comprehensive Income Question 32 The disclosure of income tax effects based on the item causing the tax effect is named: Select one: a. Cost Principle b. Matching Principle c. Intra-period tax allocation d. Inter-period tax allocation e. Full Disclosure Principle Question 33 Which...
Exercise 1. Label each of the follow scenarios with the correct combination of price change and...
Exercise 1. Label each of the follow scenarios with the correct combination of price change and quantity change. In some scenarios, it may not be possible from the information given to determine the direction of a particular price change or a particular quantity change. We will symbolize those cases as, respectively, “P?” and “Q?” For each part also draw two graphs to illustrate the changes (one graph will reflect the changes in Demand and the other will reflect the changes...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT