Which of the following statements accurately describes when brain death criteria is met in a potential organ donor?
The client's heart is still beating and they can breathe on their own.
The client's brain has irreversible damage and they are being maintained on life support.
The client is able to respond to stimuli and communicate with others.
The client's vital organs are no longer functioning and cannot be used for transplantation.
The Correct Answer is B
Choice A rationale
Brain death is a clinical diagnosis characterized by irreversible cessation of all functions of the entire brain, including the brainstem. If the client's heart is still beating and they can breathe on their own, it indicates preserved brainstem function, which is inconsistent with brain death criteria.
Choice B rationale
Brain death is defined as irreversible cessation of all brain functions. When a client is on life support, but their brain has sustained irreversible damage with complete loss of brainstem reflexes, they meet the criteria for brain death, allowing for organ donation consideration.
Choice C rationale
A client able to respond to stimuli and communicate with others exhibits clear signs of brain activity and consciousness. This directly contradicts the definition of brain death, which requires complete and irreversible loss of all brain function, including higher cortical functions.
Choice D rationale
While vital organs may eventually cease functioning after brain death, the initial and primary criterion for brain death is the irreversible cessation of brain function. The vital organs can often be maintained on life support for a period to facilitate organ donation, so they are not necessarily non-functioning.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["112"]
Explanation
Step 1: Calculate the minimum daily dose based on the safe dose range. Minimum safe dose per kg = 8 mg/kg/day. Child's weight = 14 kg. Minimum daily dose = 8 mg/kg/day × 14 kg = 112 mg/day. The minimum dose the child should receive per day is 112 mg.
Correct Answer is B
Explanation
Choice A rationale
A newborn's heart rate typically ranges from 120 to 160 beats per minute, and respirations are normally between 30 and 60 breaths per minute. A heart rate of 160/min and respirations of 40/min fall within these normal physiological ranges for a newborn, indicating adequate cardiovascular and respiratory adaptation to extrauterine life.
Choice B rationale
The average head circumference for a full-term newborn ranges from 33 to 35 cm, and the chest circumference is typically 2 to 3 cm less than the head circumference. A head circumference of 40 cm is significantly larger than the normal range, and a chest circumference of 32 cm suggests an abnormal head-to-chest ratio. These measurements could indicate hydrocephalus or other developmental anomalies and warrant immediate reporting to the provider for further assessment.
Choice C rationale
A positive Babinski reflex, characterized by dorsiflexion of the big toe and fanning of the other toes, is a normal neurological finding in newborns and infants up to 12-24 months of age, indicating an immature corticospinal tract. A negative Ortolani's sign indicates the absence of hip dislocation or dysplasia, which is a normal and desired finding, reflecting stable hip joints.
Choice D rationale
Acrocyanosis, which is the bluish discoloration of the hands and feet, is a common and normal finding in newborns during the first 24 to 48 hours after birth due to immature peripheral circulation. Caput succedaneum, a localized swelling of the scalp that crosses suture lines, is also a common and benign finding resulting from pressure during vaginal birth, typically resolving spontaneously within a few days.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.