Which of the following statements about hair is correct?
A. In humans, hair is vestigial.
B. In humans, hair is necessary to protect from cold or trauma.
C. Humans have one type of hair.
D. None of the above.
Answer: A. In humans, hair is vestigial.
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The primary reason for evaluating AFP levels in maternal serum is to determine whether the fetus has:
a. Hemophilia. b. A neural tube defect. c. Sickle cell anemia. d. A normal lecithin-sphingomyelin ratio.
The sleep record of a client with major depression shows the client waking at 3 AM and being unable
to resume sleep. The physician decides to prescribe the client a serotonin-reuptake inhibitor and additionally orders a sleep-deprivation protocol. The outcome expected is a. self-control of suicidal ideation. b. rapid response to the antidepressant. c. self-control of auditory hallucinations. d. increased anxiety self-control.
The nurse is planning care for clients seen in a newborn clinic. Which is the priority for a newborn client during the first clinic visit?
1. Providing pamphlets to reinforce information provided at the visit 2. Assessing the newborn-and-family interactions 3. Modeling infant-nurturing behaviors 4. Informing the parents of the infant's gains in height and weight
A child always chooses to ask mother over father when seeking special privileges. The father is more apt to disagree than agree with the child's requests, whereas the mother usually consents
The child's choice is the result of which component of operant conditioning? A. Conditioned stimuli B. Unconditioned stimuli C. Aversive stimuli D. Discriminative stimuli