Following 2 motor vehicle collision, an adult client is brought to the emergency department with a blood pressure of 72/50 mm Hg and a blood volume loss of approximately 40%. The nurse should plan care for this client based on which expected response to hemorrhaging?

Increased preload that results in generalized peripheral edema.

The lowered blood pressure results in a reduction of the heart rate.

Decreased preload that can lead to decreased cardiac output.

Increased peripheral resistance resulting from poor renal perfusion.

Answer and Explanation

The Correct Answer is C

A) Increased preload that results in generalized peripheral edema:

This statement is incorrect. Decreased blood volume due to hemorrhage leads to decreased preload, not increased preload. Generalized peripheral edema is more commonly associated with conditions such as heart failure or kidney disease, where fluid retention leads to increased preload.

B) The lowered blood pressure results in a reduction of the heart rate:

While it's true that a decrease in blood pressure can trigger compensatory mechanisms such as an increase in heart rate (tachycardia), the specific response mentioned in this option is not entirely accurate. The primary compensatory response to hemorrhage-induced hypotension is typically an increase in heart rate, not a reduction.

C) Decreased preload that can lead to decreased cardiac output:

Correct. With decreased blood volume (preload), there is less blood returning to the heart during diastole. This leads to decreased ventricular filling and subsequently decreased stroke volume and cardiac output. Decreased cardiac output can contribute to hypotension and inadequate tissue perfusion.

D) Increased peripheral resistance resulting from poor renal perfusion:

While poor renal perfusion can trigger mechanisms to increase peripheral resistance (such as activation of the renin-angiotensin-aldosterone system), this option does not directly address the primary effect of decreased preload on cardiac output. Increased peripheral resistance alone does not adequately compensate for decreased preload to maintain cardiac output.

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Correct Answer is B

Explanation

Parkinson's disease (PD) is a neurodegenerative disorder characterized by the progressive degeneration of dopaminergic neurons in the substantia nigra of the basal ganglia. This degeneration leads to a deficiency of dopamine, a neurotransmitter involved in the regulation of movement and coordination. The inability to express oneself, as seen in the client's mumbling, can be attributed to the motor symptoms of PD, particularly bradykinesia (slowness of movement) and hypomimia (reduced facial expression), which result from dopaminergic neuron degeneration.

A) Damage to Broca's area in the temporal lobe of the brain:

Damage to Broca's area typically results in expressive aphasia, which is characterized by difficulty speaking and forming coherent sentences. While speech difficulties can occur in PD, they are primarily due to motor dysfunction rather than damage to specific language centers in the brain.

B) Degeneration of dopaminergic neurons of the basal ganglia:

Correct. Degeneration of dopaminergic neurons in the basal ganglia, particularly the substantia nigra, is the primary pathological factor in Parkinson's disease. This degeneration leads to motor symptoms such as bradykinesia, tremor, and rigidity, which can affect the client's ability to speak clearly and express himself.

C) Brain atrophy with diffuse amyloid plaques disposition:

This description is more characteristic of Alzheimer's disease, a different neurodegenerative disorder characterized by brain atrophy and the deposition of amyloid plaques. While cognitive impairment can occur in PD, the primary motor symptoms are related to dopaminergic neuron degeneration rather than amyloid plaque deposition.

D) Paralysis of the pharyngeal and epiglottal area:

Paralysis of the pharyngeal and epiglottal area can lead to dysphagia (difficulty swallowing) rather than difficulty expressing oneself verbally. While dysphagia can occur in PD, it is not typically the primary factor contributing to speech difficulties in this condition.

A. Severely decreased GFR. B. Mildly decreased GFR. C. Kidney damage with increased GFR. D. Moderately decreased GFR.

Correct Answer is A

Explanation

A. Severely decreased GFR:

In stage 4 chronic kidney disease (CKD), the glomerular filtration rate (GFR) is indeed severely decreased. Stage 4 CKD is characterized by a GFR between 15 and 29 mL/min/1.73 m² according to the Kidney Disease Outcomes Quality Initiative (KDOQI) guidelines. At this stage, there is significant kidney damage, resulting in a substantial reduction in kidney function and GFR. Clients with stage 4 CKD require close monitoring and management to prevent further progression of kidney disease and associated complications.

B. Mildly decreased GFR:

This choice is incorrect. Stage 4 CKD is not associated with a mildly decreased GFR. A mildly decreased GFR would typically be indicative of earlier stages of CKD. In stage 4 CKD, the reduction in GFR is severe, falling below 30 mL/min/1.73 m².

C. Kidney damage with increased GFR:

This interpretation is inaccurate. In stage 4 CKD, kidney damage leads to a progressive decline in GFR, rather than an increase. An increased GFR is not typical of advanced CKD stages; instead, it may occur in conditions such as hyperfiltration in early stages of diabetic nephropathy.

D. Moderately decreased GFR:

This option is also incorrect. Stage 4 CKD is not associated with a moderately decreased GFR. A moderately decreased GFR would typically be indicative of stage 3 CKD, where the GFR ranges from 30 to 59 mL/min/1.73 m². In stage 4 CKD, the reduction in GFR is more severe, falling below 30 mL/min/1.73 m².

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Following 2 motor vehicle collision, an adult client is brought to the emergency department with a blood pressure of 72/50 mm Hg and a blood volume loss of approximately 40%. The nurse should plan care for this client based on which expected response to hemorrhaging?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

During an interview with a male client who has Parkinson's disease (PD), the nurse notices that he is drooling and mumbling. Which pathophysiological factor contributes to the client's inability to express himself?

Correct Answer is B

Explanation

The nurse is caring for a client with stage 4 chronic kidney disease. Which interpretation should the nurse make about the client's glomerular filtration rate (GFR)?

Correct Answer is A

Explanation

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