Baby Chloe startles when she hears a loud sound. She arches her back, throws back her head, and flings out her arms. Which reflex is she demonstrating?
rooting
Moro
sucking
grasping
The Correct Answer is B
A. rooting: Rooting causes head-turning toward cheek stimulation to find a nipple; it does not produce full-body startle responses.
B. Moro: The Moro (startle) reflex produces arm abduction/extension, head throwing back, and sometimes crying in response to a sudden stimulus — this matches the description.
C. sucking: Sucking is an oral reflex triggered by placing something in the mouth; it doesn’t cause arching and arm flinging.
D. grasping: The grasp (palmar) reflex causes fingers to close around an object, not the described startle posture.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"D"}
Explanation
A. positive: Younger dying adults may experience positive emotions sometimes, but positivity is not the emotion consistently found to be higher than in older dying adults.
B. invincible: Feeling invincible is more characteristic of some healthy young adults; it’s not an emotional response typical of younger people who are dying.
C. calm: Older adults nearing death often report greater acceptance and calm; younger dying adults tend to experience stronger negative emotional reactions.
D. cheated: Younger adults who face terminal illness commonly report feeling “cheated” (heightened anger, unfairness, loss of expected future) more than older adults, making this the best choice.
Correct Answer is C
Explanation
A. find something to grasp: Grasping is produced by the palmar (or palmer) grasp reflex, not the rooting reflex; rooting directs head/mouth movements.
B. calm down: Rooting itself is an orienting reflex; while successful sucking can soothe an infant, the reflex’s primary purpose is locating a nipple, not direct calming.
C. find something to suck: The rooting reflex causes infants to turn toward cheek stimulation and open the mouth so they can latch and suck (feeding).
D. go to sleep: Rooting does not purposefully induce sleep; it’s an adaptive feeding reflex.
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