Izzy sees a snake in her backyard. Her pupils dilate, and her heart starts pounding. Her breathing is shallow and rapid. Her ________ nervous system is active.
A. sympathetic
B. hematopoietic
C. somatic
D. parasympathetic
Answer: A
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Which of the following best defines sensation?
a) It refers to the focusing of our limited capacities of consciousness on a particular set of stimuli. b) It refers to the feelings that result from excitation of the sensory receptors such as touch, taste, smell, sight, and hearing. c) It refers to the ability to understand the meaning or importance of something. d) It refers to the ability of brain to categorize various sensory perceptions that result from chemical stimulation.
In general, gender roles
a. are more differentiated during adolescence than they are among newlyweds. b. become more traditional and differentiated in a married couple following the birth of a child. c. tend to remain constant across the adult years. d. are more pronounced for couples when both partners are working.
The importance of heredity stems from the fact that it
a. is not subject to environmental influences. b. determines the overall health of the organism. c. sets the limits of development by providing a framework of potentials and limitations. d. is more fragile than the environment and, consequently, can be more changeable.
Which of the following places the steps of the scientific method in correct order?
A. Develop hypotheses, test the hypotheses, observe a phenomenon, observe the outcome of the tests, revise the hypotheses B. Observe a phenomenon, develop hypotheses, test the hypotheses, observe the outcome of the tests, revise the hypotheses C. Observe a phenomenon, develop hypotheses, revise the hypotheses, test the hypotheses, observe the outcome of the tests D. Test the hypotheses, observe the outcome of the tests, observe a phenomenon, develop hypotheses, revise the hypotheses