A client with a gunshot wound is brought to the emergency department (ED) with a bullet entry at the spinal level of C8 and T1.The client is able to move the upper arms. To further assess the client's spinal nerve function, which action should the nurse implement?
Determine patellar tendon reflex response.
Check the urinary bladder for distention.
Ask the client to grasp an object or form a fist.
Apply resistance while the client lifts the legs.
The Correct Answer is C
A. Determine patellar tendon reflex response. The patellar reflex (knee jerk) assesses function of the L2-L4 spinal nerves, which are below the level of injury (C8-T1) and do not provide information about upper extremity function. While deep tendon reflexes are important, they do not help assess function at the suspected injury level.
B. Check the urinary bladder for distention. Bladder function is controlled by the sacral spinal nerves (S2-S4), which are much lower than the injury level. While bladder dysfunction is common in spinal cord injuries, it does not assess C8-T1 nerve function specifically.
C. Ask the client to grasp an object or form a fist. The C8 and T1 spinal nerves control hand and finger movements, including grip strength. Testing the client’s ability to grasp an object or form a fist helps assess fine motor function and nerve integrity at the injury level. This is the most appropriate way to determine function in the lower cervical and upper thoracic spinal nerves.
D. Apply resistance while the client lifts the legs. Leg movement is controlled by the lumbar and sacral spinal nerves (L2-S2), which are below the injury level. Assessing leg strength does not provide relevant information about C8-T1 function.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Decreased cardiac output. Central venous pressure (CVP), also called right atrial pressure (RAP), reflects right ventricular preload and overall fluid status. An increasing CVP indicates fluid overload or impaired right ventricular function, both of which can lead to decreased cardiac output. Conditions such as right heart failure, pulmonary hypertension, or excessive fluid resuscitation can cause elevated CVP, reducing the heart’s ability to pump effectively and leading to poor systemic circulation.
B. Ineffective airway clearance. Airway clearance is not directly related to CVP measurements. While severe pulmonary conditions like ARDS or COPD can contribute to cardiac strain and right heart failure, the primary mechanism for rising CVP is cardiac dysfunction or fluid overload, not airway obstruction.
C. Ineffective peripheral tissue perfusion. Although decreased cardiac output can impair tissue perfusion, this choice is too broad. Increased CVP specifically reflects right-sided heart function and preload, making decreased cardiac output the more precise diagnosis related to the pathophysiologic mechanism.
D. Deficient fluid volume. A low CVP is associated with hypovolemia and fluid deficits, while an increasing CVP suggests fluid overload, heart failure, or venous congestion. Deficient fluid volume would cause a downward trend in CVP, not an increase.
Correct Answer is A
Explanation
A. Document that the client is experiencing a paced rhythm. A pacemaker spike before each QRS complex indicates that the pacemaker is functioning properly and triggering ventricular depolarization as intended. Since the client is 24 hours postoperative from a pacemaker insertion, this is an expected finding and should be documented accordingly.
B. Reposition the ECG leads and obtain another recording. If the ECG showed artifact, lead displacement, or interference, repositioning the leads might be appropriate. However, the presence of consistent pacemaker spikes before each QRS complex suggests proper pacemaker function rather than a lead issue.
C. Assess the client for symptoms of decreased cardiac output. A paced rhythm is expected after pacemaker insertion and does not necessarily indicate hemodynamic instability. While assessment is always important, there is no indication that the client is experiencing decreased cardiac output symptoms such as hypotension, dizziness, or altered mental status.
D. Notify the healthcare provider (HCP) of the telemetry recording. Routine paced rhythms do not require immediate provider notification unless there are malfunctions such as failure to capture, failure to sense, or failure to pace. Since the pacemaker is functioning appropriately, notifying the HCP is unnecessary.
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