A nurse is reinforcing teaching to a group of high school students about how penetrating traumatic brain injuries cause damage to the brain. Which of the following statements should the nurse include in the teaching?
"Damage occurs from the penetrating object shattering the skull and causing an infection."
"Damage to the brain is related to coup and contrecoup injuries."
"Damage occurs from the penetrating injury causing leakage of cerebrospinal fluid."
"Damage to the brain is related to the size, route, and rate of speed of the object entering the brain."
The Correct Answer is D
A) "Damage occurs from the penetrating object shattering the skull and causing an infection." While penetrating traumatic brain injuries can lead to skull fractures and subsequent infections, the primary mechanism of brain damage in these injuries is related to the direct impact of the penetrating object on brain tissue rather than the shattering of the skull.
B) "Damage to the brain is related to coup and contrecoup injuries." Coup and contrecoup injuries occur when the brain impacts the skull's interior surface due to rapid deceleration or acceleration, commonly seen in closed head injuries such as concussions. Penetrating traumatic brain injuries involve direct penetration of foreign objects into the brain tissue, and coup-contrecoup injuries are not typically associated with these types of injuries.
C) "Damage occurs from the penetrating injury causing leakage of cerebrospinal fluid." While penetrating injuries may result in cerebrospinal fluid leakage, this is not the primary mechanism through which they cause brain damage. Leakage of cerebrospinal fluid is more commonly associated with certain types of head trauma, such as skull fractures, rather than solely penetrating injuries.
D) "Damage to the brain is related to the size, route, and rate of speed of the object entering the brain." This statement is correct. The extent of brain damage in penetrating traumatic brain injuries depends on various factors, including the size, shape, and velocity of the penetrating object, as well as the route it takes through the brain tissue. Larger, faster-moving objects tend to cause more extensive damage, whereas smaller objects or those with slower velocities may cause more localized damage. Therefore, understanding these factors is crucial in assessing and managing patients with penetrating traumatic brain injuries.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. "I should ask my son to drive me to the grocery store." This statement does not directly address the risk for sudden cardiac death associated with arrhythmogenic cardiomyopathy. While it may be a valid safety precaution to have someone else drive, it does not specifically address the client's understanding of the condition and its implications for sudden cardiac death.
B. "I will probably become easily constipated." Constipation is not a typical manifestation or complication of arrhythmogenic cardiomyopathy. This statement does not demonstrate an understanding of the condition and its associated risk of sudden cardiac death.
C. "I am aware that I may develop frequent hiccups." Frequent hiccups are not a characteristic symptom or complication of arrhythmogenic cardiomyopathy. This statement does not indicate an understanding of the condition and its risk for sudden cardiac death.
D. "I will need to avoid strenuous activity to prevent my heart from stopping." This statement reflects an understanding of the condition and its associated risk of sudden cardiac death. Strenuous activity can exacerbate arrhythmias in individuals with arrhythmogenic cardiomyopathy, potentially leading to life-threatening arrhythmias such as ventricular fibrillation. Avoiding strenuous activity is a recommended precaution to reduce the risk of sudden cardiac death in individuals with this condition.
Correct Answer is B
Explanation
A. "Your heart condition is caused by excessive stretching of the ventricles": This statement is incorrect. Excessive stretching of the ventricles typically occurs in dilated cardiomyopathy, not restrictive cardiomyopathy (RCM). In RCM, the primary issue is not excessive stretching but rather stiffening of the ventricular walls.
B. "Your heart condition is caused from stiffening of the walls of the ventricles": This statement is correct. Restrictive cardiomyopathy (RCM) is characterized by abnormal stiffening (fibrosis) of the ventricular walls, which impairs the heart's ability to fill properly during the diastolic phase of the cardiac cycle. This stiffening restricts the heart's ability to relax and fill with blood efficiently.
C. "Your heart condition is caused by thickening of the ventricular walls and septum": This statement describes hypertrophic cardiomyopathy (HCM), not restrictive cardiomyopathy (RCM). In HCM, there is abnormal thickening of the ventricular walls and septum, leading to impaired filling of the ventricles and potential obstruction of blood flow out of the heart.
D. "Your heart condition is caused when the ventricular tissue becomes fibrous and fatty": This statement describes arrhythmogenic right ventricular cardiomyopathy (ARVC), not restrictive cardiomyopathy (RCM). ARVC is characterized by replacement of myocardial tissue with fibrous and fatty tissue, primarily affecting the right ventricle.
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