This type of cell in the visual system represents a line at a single orientation:

a. simple cell
b. hypercomplex cell
c. megacomplex cell
d. complex cell


a. simple cell

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A standard serving of Food “X” provides 10% of a child's calories and the following percentages of U.S. RDAs: thiamin 25%, niacin 25%, riboflavin 25%, vitamin C 5%, vitamin A 30%, and iron 4%. This food would be considered:

A. nutrient dense B. calorie dense C. a good mineral source D. insufficient information is provided

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The child can use the portfolio for self-assessment

Indicate whether the statement is true or false

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On the first day of school, Mr. Haddad told his 9th grade classes, "You are in high school and old enough to know right from wrong. As long as you behave, we can have a lot of fun in this class. I plan to allow many opportunities for interaction and games. I don't have a list of rules, but I do expect that you will behave yourselves. If you have any questions about how to behave, just raise your

hands now and I'll answer questions." (Pauses for awhile.) "OK, let's get started looking at our course. I will hand out my course description and go over my grading criteria and course requirements.". A potential difficulty with Mr. Haddad's beginning is that a. he has no expectations for student behavior or class procedures b. he should not question students on the first day. c. appropriate behavior in important areas may not be adequately understood by the students. d. b and c only. e. a, b, and c are all correct.

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Which of the following are important concepts in statistical significance testing?

A) chance and 95% B) proof and 5% C) baseline and 50% D) Type 5 error and blinding

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