Rigor mortis, or the muscle stiffness present after death, results primarily from
a. a drop in acetylcholine levels
b. a lack of energy needed to separate actin and myosin molecules.
c. an increase in intracellular calcium concentrations.
d. the breakdown of troponin molecules.
b
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The fact that infants elicit more sensitive care from adults than teens is best explained by
a. the parent effects model. b. caregiver burden. c. the child effects model. d. permissive parenting.
Which statement is NOT true regarding the findings of Öhman and Mineka (2001)?
a. Rhesus monkeys learn to fear all stimuli with equivalent ease. b. Rhesus monkeys can learn to fear snake stimuli simply by observing the fear reaction of another monkey. c. Rhesus monkeys do not acquire a fear of flowers very easily. d. Rhesus monkeys reared in the lab do not show a fear reaction to snakes by default.
Research participants are asked to judge whether or not a string of letters forms a word in English. They are first given the string CABBAGE. Based on what you know about categories and spreading activation, which of the following strings might participants then judge the most rapidly?
a. CRIBBAGE b. CARROT c. TOILET d. CABOOSE
Describe the function of the reticular formation.
What will be an ideal response?