ATI RN
Human Growth and Development Final Exam Answers
1. When Baby Ian is held horizontally on his back, he sometimes makes an “embracing” motion by arching his back, extending his legs, throwing his arms outward, and then bringing his arms in toward his body. Ian is demonstrating the __________.
- A. palmar grasp
- B. Moro reflex
- C. tonic neck reflex
- D. Babinski reflex
Correct answer: B
Rationale: Baby Ian is demonstrating the Moro reflex. The Moro reflex is a normal newborn reflex that occurs when a baby feels like they are falling or losing support. It is characterized by arching the back, extending the legs, throwing the arms outward, and then bringing the arms in toward the body. This reflex is a primitive survival instinct that typically disappears around 6 months of age. Choice A, palmar grasp, involves the baby's fingers closing around an object when it touches their palm. Choice C, tonic neck reflex, involves the baby assuming a fencing position when their head is turned to one side. Choice D, Babinski reflex, is characterized by the fanning out and curling of the baby's toes when the sole of the foot is stroked.
2. Baby Azeez's limb movements are gentle. He stirs occasionally, and facial grimacing occurs. Although his eyelids are closed, occasional rapid eye movements can be seen beneath them. Azeez is most likely in which state?
- A. regular sleep
- B. drowsiness
- C. irregular sleep
- D. quiet alertness
Correct answer: C
Rationale: The description of Baby Azeez's behavior matches the characteristics of irregular sleep in a newborn. During irregular sleep, limb movements are gentle, occasional facial grimacing occurs, and rapid eye movements can be seen beneath closed eyelids. This state is also known as active sleep and is associated with dreaming in newborns. Choice A, regular sleep, is incorrect as the described behaviors are not typical of this state. Choice B, drowsiness, does not match the active movements and facial grimacing observed in Azeez. Choice D, quiet alertness, is also incorrect as it does not align with the described behaviors of limb movements, facial grimacing, and rapid eye movements.
3. In a longitudinal design, participants are studied repeatedly at different ages, and changes are noted as they get older.
- A. cross-sectional
- B. experimental
- C. longitudinal
- D. correlational
Correct answer: C
Rationale: The correct answer is C: longitudinal. In a longitudinal design, participants are followed and studied over an extended period, allowing researchers to observe changes and continuity in development as individuals age. This design is crucial for understanding how individuals grow and change over time. Cross-sectional studies (Choice A) involve comparing different groups at the same time point, while experimental studies (Choice B) involve manipulating variables to observe their effects. Correlational studies (Choice D) examine relationships between variables but do not involve studying participants over time.
4. Spatial skills __________.
- A. increase exponentially in early childhood
- B. support children's improved executive function
- C. develop gradually over childhood and adolescence
- D. are typically housed in the left hemisphere
Correct answer: C
Rationale: Spatial skills develop gradually over childhood and adolescence, reflecting the increasing complexity of these abilities. Choice A is incorrect because spatial skills do not increase exponentially in early childhood but rather develop steadily. Choice B is incorrect as spatial skills are not directly linked to executive function. Choice D is incorrect because spatial skills are not typically housed in a specific hemisphere but involve a network of brain regions.
5. What advice can you offer parents who want to reduce their newborn son’s discomfort during circumcision?
- A. Stimulate the Babinski reflex.
- B. Play loud music to distract the baby.
- C. Offer a sugar solution while gently holding the baby.
- D. Newborns have a low sensitivity to pain, so interventions are unnecessary. Answer: C Page Ref: 108 Skill Level: Apply Topic: The Newborn Baby’s Capacities Copyright © 2018 Laura E. Berk. All Rights Reserved. 35 Test Bank for Berk, Development Through the Lifespan, 7e Difficulty Level: Difficult
Correct answer: C
Rationale: Offering a sugar solution while gently holding the baby can help reduce the newborn's discomfort during circumcision. This method has been found to effectively decrease pain perception and can provide some comfort to the baby during the procedure. Stimulating the Babinski reflex, playing loud music to distract the baby, and assuming newborns have low sensitivity to pain are not recommended strategies for reducing discomfort during circumcision.
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