ATI RN
Human Growth and Development Exam 1
1. What are the most obvious organized patterns of behavior in a newborn baby?
- A. Reflexes
- B. States of arousal
- C. Shrill cries
- D. Sleep patterns
Correct answer: A
Rationale: The correct answer is A: Reflexes. Reflexes are automatic, involuntary responses to specific stimuli and are the most obvious organized patterns of behavior in a newborn baby. Examples of newborn reflexes include sucking, rooting, grasping, and the Moro reflex. These reflexes are crucial for the newborn's survival and overall development. Choice B, states of arousal, refers to different levels of consciousness and responsiveness, not organized behavior patterns. Choice C, shrill cries, is a form of communication and not an organized behavior pattern. Choice D, sleep patterns, while important for newborns, are not the most obvious organized behavior patterns.
2. During prenatal development, the ectoderm becomes the __________.
- A. muscles and skeleton
- B. nervous system and skin
- C. circulatory system and other internal organs
- D. digestive system, lungs, urinary tract, and glands
Correct answer: B
Rationale: The correct answer is B: nervous system and skin. The nervous system, which includes the brain, spinal cord, and nerves, as well as the skin, develop from the ectoderm layer of cells during prenatal development. Choice A is incorrect because muscles and skeleton develop from mesoderm. Choice C is incorrect because the circulatory system and other internal organs develop from mesoderm and endoderm. Choice D is incorrect because the digestive system, lungs, urinary tract, and glands develop from endoderm.
3. Which state of arousal is considered the most fleeting?
- A. Regular sleep
- B. REM sleep
- C. Drowsiness
- D. Quiet alertness
Correct answer: D
Rationale: Quiet alertness is indeed the most fleeting state of arousal. This state is characterized by a newborn infant being awake, calm, and attentive, but it is short-lived and transitions quickly to other states of arousal. Regular sleep, REM sleep, and drowsiness are not considered as brief and transitional as quiet alertness in newborn infants.
4. Which statement about the newborn baby's appearance is true?
- A. Girls tend to be slightly longer and heavier than boys.
- B. Their round faces and big eyes make adults feel like picking them up.
- C. The trunk is large in comparison to the head, and the legs are straight.
- D. On average, they are 18 inches long and 5½ pounds in weight.
Correct answer: C
Rationale: The correct statement about the newborn baby's appearance is that the trunk is large in comparison to the head, and the legs are straight. This is a common characteristic of newborn babies as their proportions are different from adults. Choice A is incorrect as there is no consistent trend of girls being longer and heavier than boys at birth. Choice B is incorrect as the perception of adults wanting to pick up babies is subjective and not a universal truth. Choice D is incorrect as the average length and weight provided may not apply to all newborn babies, as there can be variations.
5. Adults often provide indirect feedback about grammar by using __________, which restructures inaccurate speech into correct form.
- A. fast-mapping
- B. an expansion
- C. overregularization
- D. a recast
Correct answer: D
Rationale: The correct answer is 'a recast.' A recast occurs when an adult rephrases a child's incorrect speech into the accurate form, aiding in the learning of proper grammar. Choice A, 'fast-mapping,' refers to the ability to learn new words quickly; choice B, 'an expansion,' typically involves adding more information to a child's speech; choice C, 'overregularization,' is an error children make when they apply grammatical rules too broadly.
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