____ provides a protective environment in which the fetus' temperature is regulated and protects the fetus from friction caused by the mother's movements
The amnion
The placenta
The umbilical cord
The germinal structure
The amnion
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Which of the following is the appropriate definition of psychosurgery?
a) information given to a patient about a surgical procedure before the surgery in order to prevent anxiety b) surgery that is performed on brain tissue to relieve or control severe psychological disorders c) surgery that severs the spinal cord of the patient d) a procedure in which a brief current of electricity is used to trigger a seizure that typically lasts one minute, causing the body to convulse
Why do children in Asian countries like China or Japan tend to recall less from their early years than children from North American countries? a. They are actively encouraged to not dwell on their pasts
b. They are not given the same amount of opportunities to talk with parents about past events. c. They have slightly different brains that are less effective at autobiographical memory but superior in procedural memory. d. They have a less "rich" childhood since they come from such poor countries.
Which of the following statements is true of aggression?
A) Electrical stimulation of part of the hypothalamus triggers stereotypical aggressive behaviors in many lower animals. B) Men have higher estrogen levels than women do and are also more aggressive than women, especially with male strangers. C) Unlike animals that solely depend on hormones, empathy is one of the major contributors in bringing about aggression in humans. D) In nonhumans, aggressive reactions are not automatic.
Regarding motor development, the cephalocaudal rule asserts that
a. motor development of the head, neck, and upper extremities precedes the development of the legs. b. motor development proceeds from the bottom up. c. certain joints are ill prepared for motion in the first year of life. d. motor development is variable across cultures.