During an erection, which of the following tissues becomes engorged with blood, making the penis erect?
A. Cremaster muscle
B. Corpus spongiosum
C. Seminiferous tubule
D. Vas deferens
E. Tunica albuginea
Answer: B
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Unlike maternal love, romantic love stimulates the ____
a. cortex c. hypothalamus b. hippocampus d. periaqueductal gray area
Studies show that oral and anal sex are more common among non-white teens and those households with a lower socioeconomic-economic status
Indicate whether the statement is true or false.
Cross-cultural investigations (e.g., Straus, 2004) of situational couple violence among dating partners revealed that . . .
a) Prevalence rates are extremely low—fewer than 5% of the population commits this type of violence b) Most assaults involve acts of severe violence c) Women are more likely than men to inflict serious injuries on their partners d) About one third of participants reported having physically assaulted a partner in the last year
Which of the following supports Kaplan's triphasic model of sexual response?
A. The two physiological components, vasocongestion and muscle contractions, are controlled by different parts of the nervous system. B. The desire for sexual fulfillment is one of the primary needs identified for humans and is physical, not psychological, in nature. C. The sympathetic division of the autonomic nervous system controls both ejaculation and vasocongestion in men. D. The parasympathetic division of the autonomic nervous system controls both the vaginal lubrication and the orgasm of women.