Exposure to high levels of _____ is related to decreased sperm production and abnormal sperm motility and shape.
A) zinc
B) iron
C) lead
D) iodine
E) selenium

Question

Quizplus · Accepted Answer

Lead exposure has been shown to have negative effects on male fertility, including decreased sperm production and abnormal sperm motility and shape. Zinc, selenium, and iodine deficiency can also affect male fertility, but high levels of these nutrients are not typically associated with negative effects on sperm production or shape. Iron deficiency has been associated with decreased male fertility, but high levels of iron are not typically a concern for male reproductive health.

Exposure to High Levels of _____ Is Related to Decreased