A nurse is caring for a client who has a traumatic brain injury (TBI). Which of the following groups should the nurse understand has a higher risk of sustaining a TBI?

People who abstain from alcohol

People who live in rural areas

People who play contact sports

People who are in their 30's

Answer and Explanation

The Correct Answer is C

A. People who abstain from alcohol: Abstaining from alcohol does not necessarily increase the risk of sustaining a traumatic brain injury (TBI). In fact, excessive alcohol consumption can increase the risk of falls and accidents leading to TBIs, but abstaining from alcohol itself is not a risk factor for TBI.

B. People who live in rural areas: Living in rural areas may be associated with certain risk factors for TBIs, such as increased rates of motor vehicle accidents due to factors like higher speed limits and longer distances traveled. However, it is not a direct cause of TBIs.

C. People who play contact sports: Engaging in contact sports, such as football, soccer, or rugby, poses a higher risk of sustaining a traumatic brain injury due to the potential for collisions, falls, and impacts during gameplay.

D. People who are in their 30's: While traumatic brain injuries can occur at any age, individuals who are involved in activities with a higher risk of head injuries, such as contact sports or high-risk occupations, may be more prone to TBIs regardless of their age. Age alone is not a significant risk factor for TBIs.

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Correct Answer is B

Explanation

A. Elevated erythrocyte sedimentation rate (ESR): Elevated ESR indicates inflammation in the body and is not typically associated with the cause of atrial fibrillation.

B. Elevated thyroid-stimulating hormone (TSH): This is the correct answer. A common cause of atrial fibrillation is hyperthyroidism, which is characterized by an overactive thyroid gland and often presents with elevated TSH levels. Thyroid hormones play a significant role in regulating heart rate and rhythm. Excess thyroid hormone can lead to increased heart rate and irregular heart rhythms, including atrial fibrillation.

C. Elevated brain natriuretic peptide (BNP): Elevated BNP levels are associated with heart failure and may indicate cardiac stress or dysfunction. While heart failure can predispose individuals to atrial fibrillation, elevated BNP levels themselves are not a direct cause of atrial fibrillation.

D. Elevated C-reactive protein (CRP): Elevated CRP levels indicate inflammation in the body and are associated with various cardiovascular diseases. While inflammation can contribute to atrial fibrillation, elevated CRP levels alone are not a direct cause of atrial fibrillation.

A. Atrial fibrillation B. Sinus bradycardia C. Supraventricular tachycardia D. First-degree heart block

Correct Answer is A

Explanation

A. Atrial fibrillation: Atrial fibrillation is characterized by an irregularly irregular rhythm, absence of identifiable P waves, and irregular ventricular response. The heart rate in atrial fibrillation can be variable, and the absence of identifiable P waves indicates disorganized atrial electrical activity.

B. Sinus bradycardia: Sinus bradycardia is characterized by a regular rhythm with a heart rate less than 60 beats per minute (bpm) and normal P waves preceding each QRS complex. In sinus bradycardia, the PR interval and QRS duration are typically within normal limits.

C. Supraventricular tachycardia: Supraventricular tachycardia (SVT) is characterized by a regular rhythm with a heart rate greater than 100 bpm. SVT typically presents with narrow QRS complexes and may or may not have discernible P waves.

D. First-degree heart block: First-degree heart block is characterized by a prolonged PR interval (>0.20 seconds) but maintains a regular rhythm with normal QRS duration. In first-degree heart block, P waves are typically identifiable, and the rhythm is not irregular.

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A nurse is caring for a client who has a traumatic brain injury (TBI). Which of the following groups should the nurse understand has a higher risk of sustaining a TBI?

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Naxlex Comprehensive Predictor Exams

A nurse is reviewing laboratory results for a client who has atrial fibrillation. Which of the following blood test results should the nurse understand can be a possible cause of atrial fibrillation?

Correct Answer is B

Explanation

Correct Answer is A

Explanation

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