Erectile dysfunction is defined as ____.
a. impotence occurring at least once in a male's lifetime
b. persistent inability to achieve or maintain an erection
c. persistent inability to achieve an erection, independent of the ability to maintain an erection
d. persistent inability to maintain an erection, independent of the ability to achieve an erection
Question 2
What is a major challenge of diagnosing sexual disorders in individuals with low sex drives?
a. Tools to measure sexual arousal are not reliable.
b. It is nearly impossible to make people feel comfortable enough to talk about their sexual feelings.
c. Many people are not willing to participate in sexual research studies.
d. Defining what is a normal level of sexual desire is not straightforward.
Some male birds and mammals congregate in communal courting grounds called leks.
External and internal male genitalia.
Gorillas live in one-male or multimale groups, from which females emigrate at sexual materity.
The effects of neonatal testosterone exposure on the size of the sexually dimorphic nuclei in male ...
The traditional human karyotypes derived from a normal female and a normal male