A child with a head injury is at risk for increased intracranial pressure (ICP). Which change in status would alert the nurse to believe an increase in ICP has occurred?
Confusion and altered mental status
Increased diastolic pressure with narrowing pulse pressure
Irregular, rapid heartbeat
Rapid, shallow breathing
The Correct Answer is B
A. Confusion and altered mental status can be signs of increased ICP, but these symptoms are not specific. Confusion or altered consciousness may also be observed in other conditions, so this alone may not definitively indicate increased ICP.
B. Increased diastolic pressure with narrowing pulse pressure is a classic sign of increased intracranial pressure and is a key component of Cushing's triad. This triad, which also includes bradycardia and irregular respirations, is a critical indicator of impending brain herniation and requires immediate intervention.
C. Irregular, rapid heartbeat is not a direct sign of increased ICP. While heart rate changes can occur with changes in ICP, they are usually seen as part of Cushing’s triad and would typically present with bradycardia, not rapid heartbeat.
D. Rapid, shallow breathing can occur in response to other conditions, but it is not the most specific or early sign of increased ICP. Changes in the respiratory pattern with increased ICP often involve more distinct alterations like Cheyne-Stokes or irregular breathing patterns.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D"]
Explanation
A. Hemophilia A is a result of insufficient or absent factor VIII is correct. Hemophilia A is caused by a deficiency or absence of clotting factor VIII, which impairs the ability of blood to clot properly.
B. Von Willebrand disease is a disorder that occurs because of excess production of von Willebrand Factor is incorrect. Von Willebrand disease is actually caused by a deficiency or dysfunction of von Willebrand Factor, which is necessary for platelet adhesion and clotting.
C. Hemophilia B results from insufficient or absent factor IX is correct. Hemophilia B is caused by a deficiency of clotting factor IX, similar to hemophilia A, but involves a different clotting factor.
D. Von Willebrand disease is a disorder that occurs because of absent or insufficient von Willebrand Factor is correct. This disorder involves a deficiency or dysfunction of von Willebrand Factor, which leads to impaired clotting and easy bleeding.
E. Hemophilia A is a result of insufficient or absent fibrinogen is incorrect. Hemophilia A is caused by a deficiency of factor VIII, not fibrinogen, which is involved in the final steps of the clotting cascade.
Correct Answer is B
Explanation
A. Brisk pupillary reaction to light is a normal finding and does not indicate increased intracranial pressure (ICP). In fact, a sluggish or non-reactive pupil response is more indicative of increased ICP.
B. Increased sleepiness or lethargy is an early sign of increased ICP in infants. The brain’s response to rising pressure can cause altered mental status, which includes drowsiness or difficulty waking.
C. Tachycardia is not typically an early sign of increased ICP. As pressure increases, the heart rate can actually slow, and bradycardia (slower heart rate) is often seen in more advanced stages.
D. Depressed fontanels are not indicative of increased ICP. In fact, in infants, increased ICP is more commonly associated with bulging fontanels, not depressed ones. Depressed fontanels could indicate dehydration or malnutrition.
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