An adult client is admitted to the emergency room following an automobile collision in which the client sustained a head injury. Which assessment data would provide the earliest indication that the client is experiencing increased intracranial pressure (ICP)?
Decorticate posturing.
Lethargy.
Fixed dilated pupil.
Clear drainage from the ear.
The Correct Answer is B
Brief introduction:
Increased intracranial pressure (ICP) involves an escalation in the pressure exerted by the brain tissue, blood, and cerebrospinal fluid within the rigid cranial vault. As pressure rises, cerebral perfusion pressure decreases, leading to cellular hypoxia. The earliest signs of neurological deterioration are usually behavioral or cognitive because the cerebral cortex is highly sensitive to even minor fluctuations in oxygenation and pressure.
Rationale:
A. Decorticate posturing is a sign of severe cortical dysfunction or interruption of the corticospinal tract. It is characterized by the internal rotation and adduction of the arms with flexion of the elbows and wrists. This represents a late-stage neurological deterioration rather than an early warning sign of rising intracranial pressure.
B. Lethargy or a change in the level of consciousness is the earliest and most sensitive indicator of increased ICP. The brain's reticular activating system is extremely vulnerable to pressure, leading to restlessness, mental clouding, or drowsiness. Nurses must monitor for these subtle cognitive shifts to intervene before brain herniation occurs.
C. A fixed dilated pupil occurs when the oculomotor nerve (cranial nerve III) is compressed, often due to uncal herniation. This finding indicates that the pressure has already reached a critical level and is physically displacing brain structures. It is a terminal sign that requires immediate emergency surgical or medical decompression.
D. Clear drainage from the ear, or otorrhea, suggests a basilar skull fracture and the leakage of cerebrospinal fluid. While this is a significant finding following a head injury, it is a mechanical result of the trauma itself. It does not specifically measure or indicate the current physiological state of intracranial pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Genital herpes is caused by the herpes simplex virus (HSV), characterized by painful vesicular lesions and chronic periods of latency within nerve ganglia. Managing STIs requires a high degree of clinical sensitivity to ensure the client feels safe sharing accurate history, which is vital for contact tracing and treatment compliance. The nurse’s primary responsibility is to facilitate open communication while adhering to legal and ethical standards regarding privacy and public health reporting.
Rationale:
A. Providing counseling that most contraceptives protect against infection is medically inaccurate and a form of misinformation. While condoms reduce risk, they do not offer absolute protection against HSV because the virus is spread through skin-to-skin contact with infected areas not covered by the barrier. Contraceptives like birth control pills provide no pathogen protection.
B. It is incorrect to state that all STIs are transmitted solely through intercourse, as many are spread through mucosal contact, sharing needles, or from mother to child during childbirth. Education must be specific about transmission routes to help the client understand how to prevent further spread. Broad, inaccurate generalizations undermine the nurse's role as a reliable health educator.
C. Informing a client that complications will not result from reinfection is dangerous, as repeated exposure to different strains or other STIs increases the risk of chronic complications. Untreated or recurrent infections can lead to increased viral shedding and higher risks of transmission to others. Continuous education on safe sex practices is mandatory for all clients diagnosed with a viral STI.
D. A non-judgmental approach is the most important therapeutic response to encourage the client to be honest about their sexual history. Assuring the client of confidentiality builds a professional rapport that allows for effective counseling on partner notification and future risk reduction. Maintaining an objective demeanor is essential for providing high-quality holistic nursing care.
Correct Answer is D
Explanation
Minimal change nephrotic syndrome involves an idiopathic increase in glomerular permeability, specifically targeting the podocytes of the basement membrane. This pathology results in massive protein loss, leading to systemic hypoalbuminemia, which shifts fluid from the intravascular space into the interstitium, causing generalized edema. Early detection of a relapse relies on identifying the recurrence of basement membrane dysfunction before significant clinical symptoms such as severe anasarca or weight gain manifest.
Rationale:
A. Increased thirst is not a recognized early clinical indicator of a recurrence in nephrotic syndrome. While fluid shifts can affect perceived hydration, thirst is more commonly associated with diabetes mellitus or electrolyte imbalances. The primary monitoring focus for MCNS remains the urinary protein status rather than oral intake patterns.
B. Tachypnea may occur in late-stage relapse if pleural effusions or massive ascites develop, causing respiratory compromise. It is considered a secondary complication of severe fluid overload rather than a primary diagnostic sign of early disease activity. Monitoring should focus on the kidneys rather than respiratory rate during the initial stages of relapse.
C. A rounded face, often termed moon face, is a classic side effect of prolonged corticosteroid therapy used to treat the condition. This finding indicates a physiological response to the medication rather than a return of the disease process itself. It can mask the development of edema, making objective laboratory testing more critical.
D. Albuminuria is the most significant and early indicator that the nephrotic process has returned. Parents are often taught to monitor the child's urine daily using dipsticks to detect protein excretion before visible edema occurs. Identifying protein in the urine allows for prompt intervention with steroids to prevent a full-blown clinical relapse.
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