Carson is trying to get his wife pregnant. His doctor has told him that his cremaster muscle isn't working properly and that is why he is having trouble impregnating her. The cremaster muscle is important for reproduction as:
A. it helps the secondary spermatocyte to divide into two spermatids.
B. it nurtures the mature sperms in the seminiferous tubules.
C. it helps to create the ideal temperature for sperm production.
D. it connects the penile glans with the foreskin and the shaft of the penis.
E. it passes the nerve impulses from the brain to the erection centers in the spinal cord.
Answer: C
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Which of the following expresses a key distinction between the Army Alpha and Army Beta examinations?
a) The Army Alpha was based on verbal functioning, while the Army Beta was based on nonverbal tasks. b) The Army Alpha was intended for use with enlisted men, while the Army Beta intended for use with officers. c) The Army Alpha was based on spatial and mathematical reasoning, while the Army Beta was based on verbal fluency. d) The Army Alpha was intended to identify low-intelligence recruits, while the Army Beta was intended to identify high-intelligence recruits.
With regard to American Indians, research suggests that the process of acculturation has resulted in
A. no change in their gender role structure. B. the creation of more than two gender roles. C. increased male dominance. D. increased female dominance.
Which of the following is a difference between sexually transmitted infections (STIs) caused by bacteria and viruses?
A. Viruses that cause infections are microscopic in nature, unlike bacteria that cause infections. B. Bacterial infections can be cured using antibiotics, unlike virus infections. C. Virus infections cause symptoms that cannot be treated or reduced, unlike bacteria infections. D. Bacterial infections are caused by microbes, unlike virus infections.
According to researchers, the primary determinant(s) of gender is/are:
A. individual preferences. B. hereditary. C. psychology. D. biopsychosocial factors. E. biological sex.