What physical changes occur in the days before death? List the three phases a person moves through during the transition from life to death
What will be an ideal response?
In the days or hours before death, activity declines; the person moves and communicates less and shows little interest in food, water, and surroundings. At the same time, body temperature, blood pressure, and circulation to the limbs fall, so the hands and feet feel cool and skin color changes to a duller, grayish hue. When the transition from life to death is imminent, the person often moves through three phases:
1. The agonal phase. The Greek word agon means "struggle." Here agonal refers to gasps and muscle spasms during the first moments in which the regular heartbeat disintegrates.
2. Clinical death. A short interval follows in which heartbeat, circulation, breathing, and brain functioning stop, but resuscitation is still possible.
3. Mortality. The individual passes into permanent death.
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The advantage of the proposal is that it
a. serves as a sort of contract between student and adviser b. forces the researcher to think through details such as the exact statistic to be used c. provides a basis for much of the eventual published report d. All of these are true.
When the number of responses is important to a schedule of reinforcement, that schedule is called a ________ schedule
a. ratio b. interval c. conditioned d. time-delayed e. contiguous
Which of the following is TRUE?
a. Menopause occurs later among women who smoke. b. There is no menopause in other primate species; it is unique to human females. c. Iron-rich foods compensate in part for the estrogen decline in women. d. The climacteric for men is more sudden than it is for women.
When gametes are formed in the human body, this is called
a) division. b) meiosis. c) mitosis. d) genetic instruction.