Where does fertilization take place?
a. uterus
b. ovary
c. fallopian tubes
d. vagina
Answer: C
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What are legal documents that direct health care professionals to refrain from performing certain procedures that would keep a terminally ill or severely disabled patient alive?
a. wills b. death wills c. living wills d. terminal wills
Bart developed a severe fear of flying when he was piloting a small plane through some severe turbulence. He has been seeing a therapist, and it appears that his fear response has been successfully extinguished. The therapist used a flight simulator to help Bart practice his piloting skills in a safe setting. However, the first time Bart stepped back into a real plane, his fear returned. This
example illustrates the phenomenon known as a. second-order conditioning. b. the renewal effect. c. unblocking. d. stimulus generalization.
Joan, a neuroscience graduate student, is asked by her laboratory mentor to study the communication of two neurons grown in a petri dish. She is asked to stimulate an action potential in the first neuron, which will send a depolarizing stimulus to the second, “receiving” neuron. However, her mentor would also like her to block the receiving neuron from generating an action potential. How can
Joan accomplish this? a. She must cause the depolarization current in the receiving neuron to drift to the junction where the cell body and the axon meet. b. She must block the process of summation in the receiving neuron. c. She must cause the first neuron to release excitatory neurotransmitters. d. She must remove the myelin from the receiving neuron.
People who have personality traits that increase their chance of suffering a heart attack are considered __________ personalities
a. extroverted b. introverted c. Type A d. Type B