Unlike donepezil, tacrine does not produce liver toxicity

Compare and contrast oppositional defiant disorder, conduct disorder, juvenile delinquency, and antisocial personality disorder.

What will be an ideal response?

There are between 100 and 300 million sperm in one ejaculation. How many will make it to the ovum during sexual intercourse?

a. 5 million b. 500,000 thousand c. 1000 d. less than a few hundred