A researcher asks individuals to participate in an experiment that causes arm muscle strain
The participants are instructed to use a provided muscle rub after the activity. One group gets a rub with active ingredients to reduce pain whereas the other group gets a ____________ without active ingredients.
a. exogenous ointment
b. endogenous ointment
c. treatment
d. placebo
Answer: D
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Kierston and Missy are studying together for their psychology final. Kierston asks Missy, "Okay, now tell me Freud's components of personality and how they develop." Which response would be most appropriate?
a. ?"Everyone is born with an id and a superego, and the ego develops over time to deal with conflicts between those two components of the personality." b. ?"Everyone is born with an id, and the ego and then the superego develop as the person interacts with the world around him or her." c. ?"Everyone is born with an id, ego, and superego. The manner in which the person is raised determines whether the three components maintain a healthy balance of power." d. ?"Everyone is born a blank slate, but through interacting with the world around him or her, the ego, then the id, and finally the superego will develop in the individual."
Eric is more likely than his sister to be negatively affected by X-linked disorders because __________
A) males are more likely than females to inherit harmful recessive alleles B) the Y chromosome is much longer than the X chromosome C) the Y chromosome lacks many corresponding genes to override those on the X chromosome D) his sex chromosomes match, which makes him more susceptible to disease
Deaf infants often babble in sign
Indicate whether the statement is true or false
The most important function of neurotransmitters in the brain is to relay electrical signals __________
A) down the axon B) through the cerebral cortex C) across the synapse D) between the brain hemispheres