During delivery, __________ occurs when the baby's head appears at the outer opening of the vagina.
A. birth
B. transition
C. delivery
D. crowning
Answer: D
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The decrease in the response to a stimulus that occurs after repeated presentations of the same stimulus is called what?
A. modeling B. habituation C. operant conditioning D. classical conditioning
The variance of a distribution is defined as the sum of the squared deviations from the mean divided by the number of scores
Indicate whether the statement is true or false
A couple comes to your genetic counseling clinic concerned that they might have a second child affected with the same X-linked recessive disease displayed by their son. Neither of the parents displays the trait. What do you tell them?
a. Because it's a recessive trait, they must both be carriers. b. Because it's a recessive trait, only the father could pass the gene to the next offspring. c. They have a chance of having another affected son. d. They are not at risk of having another affected child.
An excitatory postsynaptic potential would be expected to cause:
a. depolarization in a neuron. b. hyperpolarization in a neuron. c. neurotransmission to occur. d. an increase in sodium–potassium pump activity