Which test is performed as early as week five and allows access to the fetal circulation and direct visualization of the embryo, permitting the diagnosis of malformations?
a) Amniocentesis
b) Embryoscopy
c) Chorionic villus sampling (CVS)
d) Sonoembryology
Answer: b
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Which of the following is a measure of the accuracy of prediction?
a. regression coefficient b. coefficient of determination c. standard error of estimate d. cross validation
"Each time I enter this command on my computer, it does different things.". This person ought to toss this computer because it has low:
a. heritability c. reliability b. validity d. distribution
Efferent neurons transmit messages from the brain or spinal cord to muscles and glands
Indicate whether the statement is true or false
How do some teens attempt to invent their own rites of passage?
a. By engaging in risky behavior such as alcohol use or unprotected sex b. By carrying out their own private ceremonies with friends c. By joining a religious group that has rites of passage d. By asking their parents for material objects that are significant to them