A nurse and a newly licensed nurse are providing care for a client who has distributive shock. How should the nurse explain the pathophysiology of distributive shock to the newly licensed nurse?
"Distributive shock occurs due to loss of myocardial contractility."
"Distributive shock occurs due to loss of blood volume."
"Distributive shock occurs due to systemic vasodilation."
"Distributive shock occurs due to increased systemic vascular resistance."
The Correct Answer is C
A. "Distributive shock occurs due to loss of myocardial contractility": This statement is incorrect. Distributive shock is not primarily caused by loss of myocardial contractility. Instead, distributive shock is characterized by widespread vasodilation, which leads to inadequate tissue perfusion despite normal or high cardiac output.
B. "Distributive shock occurs due to loss of blood volume": This statement is inaccurate. Distributive shock is not primarily caused by loss of blood volume. While hypovolemia (loss of blood volume) can lead to shock, distributive shock specifically involves excessive vasodilation, resulting in a relative hypovolemia due to pooling of blood in the expanded vascular bed.
C. "Distributive shock occurs due to systemic vasodilation": This statement is correct. Distributive shock, also known as vasodilatory shock, occurs due to widespread vasodilation of the systemic vasculature. This vasodilation leads to a decrease in systemic vascular resistance, which results in the redistribution of blood flow away from vital organs and tissues, leading to inadequate tissue perfusion and shock.
D. "Distributive shock occurs due to increased systemic vascular resistance": This statement is incorrect. Distributive shock is characterized by decreased systemic vascular resistance due to vasodilation, not increased systemic vascular resistance. Increased systemic vascular resistance is more commonly associated with conditions such as hypertension or obstructive shock.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Ask the client to move their eyes side to side while keeping their head still: This action helps assess if movement exacerbates the client's tinnitus. Tinnitus that worsens with eye movement suggests a potential vascular cause, as the blood vessels surrounding the auditory nerve may be affected. This maneuver is known as the Valsalva maneuver and can help identify vascular issues contributing to tinnitus.
B. Ask the client to breathe in through pursed lips: Breathing through pursed lips is a technique used to help manage shortness of breath and is not directly related to assessing tinnitus or its exacerbating factors.
C. Ask the client to pull the pinna of their ears up and back: Pulling the pinna of the ears up and back is a maneuver commonly performed during otoscopic examination to straighten the ear canal for better visualization of the tympanic membrane. It is not directly relevant to assessing tinnitus or its exacerbating factors.
D. Ask the client to open their mouth widely: Opening the mouth widely is not typically associated with exacerbating tinnitus. This action is more relevant for assessing temporomandibular joint (TMJ) dysfunction or other oral conditions but is not specific to tinnitus assessment.
Correct Answer is ["A"]
Explanation
A. "I should not drive while taking this new medication."
Carvedilol is a beta blocker commonly prescribed for conditions like cardiomyopathy. One of the potential side effects of beta blockers, including carvedilol, is dizziness or drowsiness. These effects can occur, particularly when starting the medication or when the dosage is increased. Therefore, it's crucial for patients to understand that they may experience these symptoms and should avoid activities that require alertness, such as driving or operating heavy machinery, until they are aware of how the medication affects them. This precaution helps ensure their safety and the safety of others on the road.
B. "This new medication may decrease my sex drive."
Sexual dysfunction, including decreased libido or erectile dysfunction, is a recognized side effect of beta blockers like carvedilol. These medications can affect the autonomic nervous system and interfere with normal sexual function in some individuals. It's essential for patients to be aware of this potential side effect and to discuss any concerns with their healthcare provider. Open communication about sexual health can help address any issues that arise and explore alternative treatment options if necessary.
C. "This medication can make me have mood swings."
While mood changes are possible side effects of some medications, including certain classes of antidepressants or corticosteroids, they are not typically associated with beta blockers like carvedilol. Beta blockers primarily affect the cardiovascular system by blocking the effects of adrenaline, leading to decreased heart rate and blood pressure. While some patients may experience fatigue or depression as a side effect of beta blockers, mood swings are not a common manifestation. Therefore, this statement does not accurately reflect the potential side effects of carvedilol.
D. "I may have frequent hiccups while taking this medication."
While gastrointestinal side effects such as nausea, vomiting, or diarrhea are possible with carvedilol, frequent hiccups are not a commonly reported side effect of this medication. Hiccups, though often benign, can occasionally be bothersome or indicative of an underlying issue. However, they are not typically associated with beta blockers like carvedilol. Therefore, this statement does not accurately reflect the potential side effects of the medication.
E. "I may have urinary incontinence while taking this medication."
Urinary incontinence is a potential side effect of beta blockers like carvedilol. These medications can affect bladder function by relaxing the smooth muscle of the bladder and urethra, leading to urinary retention or incontinence in some individuals. Patients should be aware of this possibility and discuss any urinary symptoms with their healthcare provider. Depending on the severity of the symptoms, adjustments to the medication regimen or additional treatments may be necessary to manage urinary incontinence effectively.
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