As Karen reads her psychology textbook, the words on the page seem to be focused and then become fuzzy. After an hour of struggling to read her textbook with some of the words in focus and other not, she has developed a severe headache. When her eye doctor examines her eyes, he finds that her lenses are misshapen. Karen has which visual problem?
a. myopia
b. hyperopia
c. astigmatism
d. presbyopia
C
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The flexible membrane inside the cochlea is called the:
a. round window. b. eardrum. c. oval window. d. basilar membrane.
Your older brother has a friend who was angry with his wife because they have two sons and he wanted to have a daughter. He thought that she was responsible for having two boys rather than a boy and a girl
What would you tell your brother? a. His friend was correct, she was purposefully having sons instead of a daughter. b. It was not anyone's "fault," but the sperm determined the sex of the offspring. c. It was not anyone's "fault" even though her ova determined the sex of the offspring. d. Sex of the offspring is determined by day of the week. They both should have known what day they were trying to conceive.
According to statistics presented in the text, about what percent of babies born in the United States today are born before 34 weeks' gestation?
a. 1-2% b. 3-4% c. 8% d. 14%
If the resting potential were to change from -70 mV to -65 mV, this would be termed a(n) ___; this would occur as part of an ___
A) hyperpolarization, EPSP B) hypopolarization, EPSP C) action potential, IPSP D) threshold depolarization, EPSP