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.
A male and female fat-tailed gerbil (Pachyuromys duprasi)
A male Broad-bodied Chaser
Model for the events occurring around a single replication fork
Male Sexual Behavior
Hormonal control over male and female reproductive hormones.
Properties of some naturally occurring RNA molecules