Why does stress affect pubertal timing?
A. Stress can raise leptin levels in the body, causing early puberty.
B. Stress causes risks for disease, which delays puberty.
C. Stress causes more severe reactions to the effects of poverty.
D. Stress can trigger irregular ovulation and menstruation in females and reduce sperm production in males.
Answer: D
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The term ostracism originally came from ____
a. ancient Rome b. ancient Persia c. ancient Greece d. ancient China
In classical conditioning, stimulus generalization occurs when:
a. a novel stimulus produces a response that is similar to the response produced by a conditioned stimulus b. a novel stimulus produces a response that is different from the response produced by a conditioned stimulus c. a conditioned response develops that is opposite to the unconditioned response d. an unconditioned response develops that is opposite to the conditioned response
In the Bolivian rainforest study cited in the textbook, formal education facilitated a shift
from ____________ behavior to ___________ behavior. a. impulsive; escape b. withdrawal; self-control c. escape; impulsive d. self-control; impulsive e. impulsive; self-control
Brandon's teeth are stained from his constant coffee drinking, so his dentist recommended that he switch to a new electric toothbrush that not only brushes teeth very rapidly, but also uses sound to reduce plaque and staining. What kind of sound is most likely generated by Brandon's new toothbrush?
A. infrasound B. ultrasound C. pure tones D. noise