ATI RN
Human Growth and Development Final Exam Answers
1. In the last weeks of pregnancy, __________.
- A. the fetus usually loses weight
- B. most fetuses assume an upside-down position
- C. fetal growth increases dramatically
- D. the fetus relies on its own well-developed immune system
Correct answer: B
Rationale: In the last weeks of pregnancy, most fetuses assume an upside-down position known as the head-down position or vertex presentation. This position is ideal for a smoother labor and delivery process as it helps the baby move through the birth canal. Fetal growth has already slowed down at this stage, so option C is incorrect. Option A is inaccurate as the fetus typically gains weight in the final weeks. Option D is incorrect because the fetus relies on the mother's immune system while in the womb.
2. Prenatally malnourished babies frequently __________.
- A. reject breast milk
- B. have enlarged hearts
- C. catch respiratory illnesses
- D. have a higher-than-average birth weight
Correct answer: C
Rationale: Prenatally malnourished babies frequently catch respiratory illnesses. Malnourished babies have weakened immune systems, making them more susceptible to illnesses such as respiratory infections. This is a common consequence that is observed in babies who did not receive adequate nutrition during the prenatal period. Choices A, B, and D are incorrect. While malnourished babies may have feeding challenges, rejecting breast milk is not a common consequence. Enlarged hearts are not typically associated with prenatal malnutrition, and having a higher-than-average birth weight is unlikely in malnourished babies.
3. If learning has occurred in classical conditioning, and the neutral stimulus by itself produces a response similar to the reflexive response, the neutral stimulus is then called a __________.
- A. neutral response
- B. conditioned stimulus
- C. conditioned response
- D. reinforcer
Correct answer: B
Rationale: In classical conditioning, when a neutral stimulus triggers the reflexive response, it becomes a conditioned stimulus. Therefore, the correct term for the neutral stimulus that now elicits a response is a conditioned stimulus. Choices A, C, and D are incorrect: A neutral response is not a standard term in classical conditioning; a conditioned response is the learned response to the conditioned stimulus, not the neutral stimulus itself; a reinforcer is a stimulus that follows a behavior and increases the likelihood of that behavior happening again, which is not the same as a conditioned stimulus.
4. Typical parents give their sons toys that emphasize __________.
- A. cooperation
- B. nurturance
- C. competition
- D. physical attractiveness
Correct answer: C
Rationale: The correct answer is C: 'competition.' Parents often give boys toys that promote competition and physical activity, aligning with traditional gender roles. This emphasis on competition can help boys develop skills such as leadership, strategy, and resilience. Choice A, 'cooperation,' is incorrect because while cooperation is valuable, it is not typically emphasized through toys given to boys. Choice B, 'nurturance,' is also incorrect as nurturing qualities are not commonly associated with toys given to boys. Choice D, 'physical attractiveness,' is unrelated to the toys parents usually give their sons.
5. The two main types of designs used in all research on human behavior are __________ and __________.
- A. observational; experimental
- B. correlational; experimental
- C. observational; correlational
- D. variable; observational Answer: B Page Ref: 31 Skill Level: Remember and limitations of each. Topic: Studying Development Difficulty Level: Easy
Correct answer: B
Rationale: The two main types of designs used in all research on human behavior are correlational and experimental. Correlational research examines the relationship between two or more variables without establishing causation, while experimental research involves manipulating one variable to observe the effect on another variable. These two types of designs are fundamental in understanding and studying human behavior.
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