Split-brain operations are used to treat drug-resistant:

Your family values education, but your younger brother is a very poor student and has always been a poor student. His global self-esteem is quite high. How can this be?

a. He is unaware that he is a poor student. b. He probably has a neurological injury. c. He probably does not really value the importance of education. d. He has had years of counseling to help his self-esteem.

Elaine is age 37. Four months into her pregnancy, Elaine obtains ________ in order to check for the presence of chromosomal abnormalities

A) an X-ray screening B) amniocentesis C) an ultrasound D) a spinal tap