The purpose of castration is to ____.
a. decrease testosterone levels c. physically alter a man's appearance
b. increase estrogen levels d. decrease progesterone levels
Question 2
Although testosterone is necessary for normal sexual functioning in males, the use of anabolic/androgenic steroids, which increases testosterone levels in males, actually decreases sex drive and leads to shrinkage of the testicles. Why does this occur?
a. An overdrive of testosterone in the body hyper-stimulates testosterone receptors, thus short circuiting the system.
b. The testosterone produced from anabolic/androgenic steroid use, is not as effective as the testosterone produced from normal physiological responses.
c. Positive feedback to the anterior pituitary will inhibit hormone release.
d. Negative feedback to the anterior pituitary will inhibit hormone release.
Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere
Blood Glucose Levels
Levels of hepatitis A antigens and antibody after infection.
Cereal production in Africa may decrease by as much as 50% by 2080 in some areas
Levels of Structural Organization & Body Systems
Respiratory response to increased activity levels