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Physiology Exam 5: Haigler Lecture 8
Terms in this set (41)
In women, what is the neurophysiological equivalent of erection in men?
What is one factor that can increase the likelihood of a woman experiencing orgasm during intercourse?
-shorter distance between clitoris and urethral meatus
How can the pubococcygeus muscle be strengthened?
-by kegel exercises
What is vaginismus?
-involuntary spasm of muscles in the outer 1/3 of vagina
What is dyspareunia?
-pain during intercourse, not due to vaginismus or poor lubrication
What is the first observable sign of sexual excitement in females?
-production of a lubricating transudate
What is this due to?
What induces orgasm in women?
-direct or indirect stimulation of the clitoris
Do women have a refractory period?
-women can have multiple orgasms
Do most women have a strong or accurate appreciation of the degree of vasocongestion within their erectile tissues?
Compare the level of spontaneous sexual desire in men vs. women.
-lower than in men
A large component of many women's sexuality is _______ rather than spontaneous.
A large component of many women's sexuality is RESPONSIVE rather than spontaneous.
List four female sexual dysfunctions?
-hypoactive sexual desire disorder
-subjective arousal disorder
-genital arousal disorder
Key features of hypoactive sexual desire disorder?
-recurrent deficiency of desire for sexual activity
Key features of subjective arousal disorder?
-no sexual excitement in the mind
-vaginal lubrication and other signs of physical response occur
Key features of genital arousal disorder?
-sexual excitement in the mind
-no signs of physical response
Key features of orgasmic disorder?
-lack of orgasm from any kind of stimulation despite high arousal
Are there any medications currently approved by the FDA for treatment of sexual dysfunction in women?
-no, there are not
List seven clinical sexual dysfunctions of the male.
-hypoactive sexual desire disorder
-ejaculatory and orgasmic disorders
What helps to distinguish between psychosocial ED and physiological ED?
-whether noctural erections occur or not
-assessment of the degree of rigidity
First, second, and third-line treatments for psychosocial and physiological ED?
-first: PDE5 inhibitors
-second: vacuum devies, intraurethral therapies, intracavernosal therapies
-third: penile prostheses
What notable condition can cause priapism?
-sickle cell disease
What causes peyronie's disease?
-connective tissue scarring of the penis
List the five most common causes of erectile dysfunction, from most common to least common.
-pelvic surgery (e.g. prostate surgery)
-medications and substance abuse
Describe trends in erectile dysfunction with age?
-prevalence and degree of severity increases with age
Outline decreases penile response in men that takes place with age.
-decreased orgasm intensity
-decreased sense of ejaculatory inevitability
-increased refractory period
What do most men over the age of 65 begin intercourse with?
True or false: most women over the age of 70 remain interested in sex.
Reason for lack of sexual activity in older women?
-lack of partner
Why do post-menopausal women frequently experience dyspareunia?
-decreased estrogen which causes vaginal atrophy
What drug targets the sexual function of post-menopausal women?
Peak sexual intensity and interest for males? For females?
At what age are males and females in phase sexually?
What is a person's biological sex?
-their phenotypic sex
Three elements of sexual behavior?
Two competing theories that seek to explain gender identity?
-nature and nurture
Two medical interventions available for transsexuals?
-genital reassignment surgery
-hormone replacement therapy
-->some change appearance without medical intervention
New DSM refers to "gender identity disorder" as...?
Sexual orientation has a strong _______ component.
Sexual orientation has a strong BIOLOGICAL component.
List of evidence to demonstrate that sexual orientation has a biological component.
-differences within the INAH-3 nuclei within the hypothalamus
-higher chance of being gay if there are older brothers
-higher chance of being gay if you have an identical twin, a fraternal twin, or a sibling
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