You have been at the beach all day and forgot your sunglasses. What part of the eye is most likely damaged?
a. peripheral area c. optic nerve
b. blind spot d. fovea
D
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Invertebrate nerve action follows the same basic principles as human nerves
a. True b. False Indicate whether the statement is true or false
At the state fair, you enter a couple of different contests. The first is a blueberry pie eating contest, in which the person who eats the most pies in two minutes wins. The second is a 100-yard dash in which you must balance an egg on a spoon with one hand and in the other hand carry a tray with eight glasses on it. The person who reaches the finish line first while not spilling either the egg
or the glasses wins. Given your knowledge of the Yerkes-Dodson Law, your arousal should be a. low for the pie eating contest and high for the egg-glasses race. b. high for the pie eating contest and low for the egg-glasses race. c. moderate for both contests. d. high for both contests.
Selective breeding of racehorses may be described as
a. capitalism. b. eugenics. c. stimulus discrimination. d. transfer.
Henry Dale proposed that neurons could only release one type of chemical messenger. This assertion is
A. correct. B. incorrect, as some neurons can release two small molecules in different locations. C. partially correct, in that neuropeptides are never found in the same neuron as amines or amino acids. D. partially correct, as neurons nearly always release more than a dozen neurotransmitters whenever stimulated.