Which of the following is an example of a polysynaptic reflex?
A. the patellar reflex
B. the withdrawal of a limb in response to pain
C. secretion of saliva
D. the monosynaptic stretch reflex
Answer: B
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How many genes have been shown to play a role in determining one's height?
a. only two b. four c. approximately 10 d. almost 200
Professor Chapstick wears a scarf that has pictures of snakes eating rats while she lectures her students about a particular chapter of material
Many of her students have a slight fear or repulsed feeling looking at her scarf, because they are not comfortable with snakes. According to the state-dependent memory effect, under which of the following circumstances would the students perform the best on the exam? a) if Professor Chapstick does not wear her scarf during the exam b) if Professor Chapstick does wear her scarf during the exam c) if Professor Chapstick is not in the room during the exam d) if Professor Chapstick lays the scarf on the table, but does not wear it during the exam
Todd is prone to negative self-talk, always putting himself down. Which would be the most helpful line he could say to himself to correct this tendency should something not go his way?
a. "I am awesome." b. "This was your first attempt; you will do better next time with more practice." c. "You're a failure, and you're only way not to be is to work even harder." d. "People love me no matter what I do."
A genetic abnormality transmitted by a recessive gene that prevents an infant from
metabolizing an amino acid found in many foods, resulting in intellectual developmental disorder and emotional disturbance, is ______. a. Klinefelter's syndrome c. phenylketonuria b. Turner's syndrome d. Tay-Sachs disease