With regard to hormonal theories of sexual orientation, research found

With regard to hormonal theories of sexual orientation, research found
 
  a. that heterosexual men have higher levels of circulating male hormones than gay men.
  b. that gay men have higher levels of circulating female hormones than heterosexual men.
  c. that gay men have higher levels of circulating male hormones than heterosexual men.
  d. no difference in circulating levels of male hormones between gay and heterosexual men.

---

Question 2

The textbook suggests all of the following EXCEPT
 
  a. Experimentally regulated levels of male hormones appear to affect the strength, not the direction of the sex drive in men.
  b. Studies of hormones and sexual orientation in women have been inconsistent or contain methodological problems.
  c. There is no causal relationship between adult hormonal status and sexual orientation.
  d. There is no causal relationship between exposure to hormones prenatally and later sexual orientation.

---

Question 3

The third interstitial nucleus of the anterior hypothalamus (INAH-3) is of interest in the study of sexual orientation as it is the center for a variety of sexual behaviors and experiences. LeVays studies of the INAH-3 found all of the following EXCEPT
 
  a. It is less than half as large in heterosexual women as heterosexual men.
  b. It is indistinguishable from that of homosexual women in heterosexual men.
  c. It was indistinguishable from that of heterosexual women in gay men.
  d. It was half the size of that of heterosexual men in gay men.

---

Question 4

While there have only been a few studies of the brain structures of same and different sex-orientation, the most promising  and controversial  by LeVay have found differences in the ___________ that may be correlated with sexual orientation.
 
  a. cerebral cortex
  b. hypothalamus
  c. pineal gland
  d. cingulate

---

Question 5

With regard to the concept of a gay gene, the textbook concludes that
 
  a. there is strong evidence that a gene or small set of genes is responsible for a large percentage of the variance in the cause of same-sex sexual preference.
  b. there is weak to moderate evidence that a gene or small set of genes is responsible for a large percentage of the variance in the cause of same-sex sexual preference.
  c. any gene that is associated with sexual orientation will only confer a predisposition rather than definitively cause same-sex orientation.
  d. there is currently no evidence to support the concept of genetic component to the cause of same sex orientation.