Free nerve endings detect ______.
A. vibration
B. temperature and pain
C. movement
D. light touch and stimulation of hairs
Answer: B
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Your grandparents have age or noise-related hearing loss. As a result, they will have the most difficulty hearing ____
a. ?low frequency sounds b. ?middle frequency sounds c. ?high frequency sounds d. ?sounds from all frequencies
"Associativity" in the Hebbian synapse refers to the
A. use of the same type of neurotransmitter in both the pre- and postsynaptic neurons. B. simultaneous activity of several synapses on the same postsynaptic neuron. C. nearly simultaneous activity of the pre- and postsynaptic neurons. D. ability of the postsynaptic cell to use retrograde messengers such as nitric oxide (NO) to communicate with the presynaptic cell.
Sleeping between the study period and the test of information you want to remember will make it more difficult for you to retrieve that information from long-term memory.
Answer the following statement true (T) or false (F)
Which of the following is safest in terms of risk of miscarriage?
a. Chorionic villus sampling b. Amniocentesis c. Ultrasound d. They all carry about the same level of risk for miscarriage.