The nurse is caring for a client who experienced multiple invasive trauma from a motor vehicle collision and has developed systemic inflammatory response syndrome (SIRS). Which pathophysiological process is most likely associated with the development of SIRS in this client?

Multiple organ dysfunction.

Acute kidney injury.

Intestinal obstruction.

Sepsis.

Answer and Explanation

The Correct Answer is A

A) Multiple organ dysfunction:

Correct. Systemic inflammatory response syndrome (SIRS) is a widespread inflammatory response to a variety of severe clinical insults, including trauma, infection, burns, or other sources of tissue injury. In the context of trauma from a motor vehicle collision, the body may mount a systemic inflammatory response involving multiple organ systems. This can progress to multiple organ dysfunction syndrome (MODS), where there is progressive dysfunction of two or more organ systems.

B) Acute kidney injury:

Acute kidney injury (AKI) can certainly occur in the context of severe trauma and systemic inflammation, such as in SIRS. However, AKI is a specific manifestation rather than the overarching pathophysiological process associated with the development of SIRS.

C) Intestinal obstruction:

Intestinal obstruction is a mechanical obstruction of the intestines and is not typically associated with the development of SIRS unless there is associated ischemia or perforation leading to systemic inflammation.

D) Sepsis:

Sepsis is a severe infection that has spread throughout the body and triggers a systemic inflammatory response. While sepsis can lead to SIRS, it is not the only cause. In this scenario, trauma from a motor vehicle collision is the primary cause of the systemic inflammatory response, rather than infection.

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Correct Answer is C

Explanation

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.

A. Increased triiodothyronine (T3) and thyroxine (T4) and decreased thyroid stimulating hormone (TSH). B. Increased triiodothyronine (T3) and thyroid stimulating hormone (TSH). C. Decreased triiodothyronine (T3) and thyroxine (T4) and increased thyroid stimulating hormone (TSH). D. Decreased thyroid stimulating hormone (TSH), triiodothyronine (T3), and thyroxine (T4).

Correct Answer is C

Explanation

Hypothyroidism is characterized by deficient production of thyroid hormones by the thyroid gland, leading to a decrease in circulating levels of triiodothyronine (T3) and thyroxine (T4). As a compensatory mechanism, the pituitary gland releases increased amounts of thyroid stimulating hormone (TSH) in an attempt to stimulate thyroid hormone production.

A) Increased triiodothyronine (T3) and thyroxine (T4) and decreased thyroid stimulating hormone (TSH):

This pattern of laboratory findings is not consistent with hypothyroidism. Hypothyroidism is characterized by decreased levels of T3 and T4 due to impaired thyroid function, leading to increased TSH levels as a compensatory response. Therefore, this option is incorrect.

B) Increased triiodothyronine (T3) and thyroid stimulating hormone (TSH):

While TSH levels are typically increased in hypothyroidism, T3 levels are usually decreased. Therefore, the combination of increased T3 and TSH is not indicative of hypothyroidism. This option is incorrect.

C) Decreased triiodothyronine (T3) and thyroxine (T4) and increased thyroid stimulating hormone (TSH):

Correct. In hypothyroidism, there is a decrease in both T3 and T4 levels due to impaired thyroid function. As a compensatory mechanism, the pituitary gland releases increased amounts of TSH to stimulate the thyroid gland. Therefore, this pattern of laboratory findings is consistent with hypothyroidism.

D) Decreased thyroid stimulating hormone (TSH), triiodothyronine (T3), and thyroxine (T4):

Decreased levels of TSH, T3, and T4 are not indicative of hypothyroidism. Hypothyroidism is characterized by elevated TSH levels and decreased T3 and T4 levels. Therefore, this option is incorrect.

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The nurse is caring for a client who experienced multiple invasive trauma from a motor vehicle collision and has developed systemic inflammatory response syndrome (SIRS). Which pathophysiological process is most likely associated with the development of SIRS in this client?

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Naxlex Comprehensive Predictor Exams

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?

Correct Answer is C

Explanation

An adult client with extreme fatigue, weight gain, cold intolerance, and bradycardia is diagnosed with hypothyroidism. Which laboratory findings is this client likely to exhibit?

Correct Answer is C

Explanation

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