Nokea
Which theory of aging suggests that the body becomes less able to tolerate the ""self""?
- A. Free radical theory
- B. Autoimmunity theory
- C. Wear-and-tear theory
- D. Biological programming theory
Correct Answer: B
Rationale: The autoimmunity theory holds that with aging, the body becomes less able to recognize or tolerate the "self." As a result the immune system produces antibodies that act against the self.
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A mother asks the nurse when she should introduce solid foods into her infant's diet. What would be the most correct response?
- A. Introduce fruits and vegetables first.
- B. Mix foods to allow the infant variety.
- C. Introduce only one new food at a time.
- D. Introduce new foods at 24-hour intervals.
Correct Answer: C
Rationale: Only one new food should be introduced at a time, followed by several days between new foods. Cereals should be introduced first, followed by fruits and vegetables, and last meats. Food should not be mixed to allow the infant to develop interest in different foods and tastes.
Growth and development that moves from the center toward the outside is known as
Correct Answer: proximodistal
Rationale: Proximodistal refers to growth and development that moves from the center toward the outside.
A child who is able to use a systematic scientific problem-solving approach is in which of the Piaget's stages of cognitive development?
- A. Sensorimotor
- B. Preoperational thought
- C. Formal operational thought
- D. Concrete operational thought
Correct Answer: C
Rationale: The Piaget's formal operational stage of cognitive development includes the ability to use a systematic, scientific problem-solving approach.
Which theory of aging suggests that there should be a natural withdrawal between the individual and society?
- A. Free radical theory
- B. Autoimmunity theory
- C. Wear-and-tear theory
- D. Disengagement theory
Correct Answer: D
Rationale: According to supporters of the disengagement theory of aging, there should be a natural withdrawal, or disengagement, between the individual and society.
A child who has just begun to demonstrate object permanence is in which of the Piaget's stages of cognitive development?
- A. Sensorimotor
- B. Preoperational thought
- C. Formal operational thought
- D. Concrete operational thought
Correct Answer: A
Rationale: The Piaget's sensorimotor stage of cognitive development uses senses and motor abilities to understand the world; this period begins with reflexes and coordinates sensorimotor skills. While in this stage, a child learns that an object still exists when it is out of sight (object permanence).