_____ is a method to detect prenatal genetic abnormalities that samples the membrane enveloping the amniotic sac and fetus:

A. Ultrasound
B. Chorionic villus sampling
C. Sonogram
D. Alpha-fetoprotein assay


Answer: B

Psychology

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In classical conditioning to stop bed-wetting, what are the conditioned stimulus (CS) and the conditioned response (CR)? a. The CS is a vibration that wakens the child. The CR is waking up

b. The CS is the sensation of a full bladder. The CR is wetting the bed. c. The CS is the sensation of a full bladder. The CR is a vibration that wakens the child. d. The CS is the sensation of a full bladder. The CR is waking up.

Psychology

Jack has a great need for order and perfectionism. He can't leave the house until every hair is in place, and he has been known to iron the same shirt over and over to ensure that he is wrinkle-free. What personality disorder does Jack's behavior suggest?

A. Avoidant B. Dependent C. Obsessive-compulsive D. Narcissistic

Psychology

You are conducting a survey on racism. You have a group of well-trained assistants, about half white, half African American. Should you keep track of which subjects are questioned by white assistants and which by African-Americans assistants?

A. Yes-the ethnicity of the assistant may affect subjects' answers B. Yes-the ethnicity of the assistant may affect their ability to accurately record subjects' answers C. No-you might offend your assistants D. No-ethnicity has no effect one way or the other

Psychology

Jan and Pam are hoarders with each of their homes crammed with things acquired over two decades. Both ladies go into therapy. Jan's therapist helps Jan to better understand why she began collecting stuff, while Pam's therapist helps her to actively change her thoughts and beliefs about hoarding. The two ladies each went to which type of therapist?

a. Jan went to a behavioral therapist, while Pam went to a humanistic therapist. b. Jan went to cognitive therapist, while Pam went to a behavioral therapist. c. Jan went to a humanistic therapist, while Pam went to a cognitive therapist. d. Jan went to a cognitive therapist, while Pam went to a psychodynamic therapist.

Psychology