A large tree fell across the thighs of a man who works as a logger, producing a crushing injury. The muddy ground cushioned the impact and x-rays revealed no broken bones. His thighs are bruised and swollen with pedal pulses present, but the left is stronger than the right. It is most important for the nurse to include in this client's plan of care assessment for signs of which pathophysiological condition?

Peripheral neuropathy.

Osteomyelitis.

Fat embolism.

Compartment syndrome.

Answer and Explanation

The Correct Answer is D

A) Peripheral neuropathy:

Peripheral neuropathy involves damage to the peripheral nerves and is not directly related to the described crushing injury. While nerve injury can occur as a result of trauma, the signs and symptoms described in the scenario, such as unequal strength between the left and right thighs, are more indicative of a potential vascular or musculoskeletal issue rather than peripheral neuropathy.

B) Osteomyelitis:

Osteomyelitis is a bone infection that can occur secondary to trauma or as a complication of open fractures. While it is possible for a crushing injury to lead to osteomyelitis if there is bone involvement or an open wound, the scenario mentions that x-rays revealed no broken bones. Additionally, the signs and symptoms described, such as bruising and swelling of the thighs, are not specific to osteomyelitis.

C) Fat embolism:

Fat embolism occurs when fat globules enter the bloodstream, often following traumatic injury to long bones or orthopedic procedures. While a crushing injury can theoretically lead to fat embolism, the absence of long bone fractures in the x-rays makes this less likely. Additionally, fat embolism typically presents with respiratory symptoms such as dyspnea and hypoxemia, which are not described in the scenario.

D) Compartment syndrome:

Correct. Compartment syndrome is a serious condition that can occur following a crushing injury, especially in the extremities. It is characterized by increased pressure within a muscle compartment, leading to compromised blood flow and potential tissue damage. Signs and symptoms of compartment syndrome include severe pain, swelling, bruising, decreased or absent pulses, and neurological deficits. The unequal strength between the left and right thighs could indicate neurological deficits due to compromised blood flow or nerve compression, making assessment for signs of compartment syndrome crucial in this client's plan of care. If compartment syndrome is suspected, prompt medical intervention, such as fasciotomy to relieve pressure, may be necessary to prevent complications.

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Correct Answer is A

Explanation

A) Fatigue and weakness:

Correct. The client's hemoglobin and hematocrit levels are below the reference ranges, indicating mild anemia. Anemia, characterized by low red blood cell count or hemoglobin levels, can lead to symptoms such as fatigue, weakness, and shortness of breath, as the body's oxygen-carrying capacity is reduced. Fatigue and weakness are common manifestations of anemia and are indicative of tissue hypoxia due to decreased oxygen delivery.

B) Cardiac dysrhythmias:

While severe anemia can lead to cardiac complications, such as dysrhythmias, the client's hemoglobin and hematocrit levels are only slightly below the reference ranges, indicating mild anemia. Cardiac dysrhythmias are more commonly associated with severe anemia or acute changes in hemoglobin levels rather than the mild anemia indicated in this scenario.

C) Fever and infection:

Anemia is not typically associated with fever and infection. While anemia may occur secondary to chronic inflammatory conditions or certain infections, the client's symptoms of fatigue and weakness are more directly related to the decreased oxygen-carrying capacity of the blood due to mild anemia.

D) Decreased clotting time:

Anemia is not directly associated with changes in clotting time. While severe anemia can lead to alterations in platelet function and clotting factors, the client's hemoglobin and hematocrit levels are only slightly below the reference ranges, indicating mild anemia. Decreased clotting time is not a typical manifestation of mild anemia.

A. Oxyhemoglobin provides less oxygen to tissues. B. Insufficient platelets delay the clotting process. C. Phagocytic cells are Inadequate in fighting infection. D. Lack of iron causes hypochromic blood cells.

Correct Answer is B

Explanation

Acute leukemia, including acute myeloid leukemia (AML), involves the proliferation of abnormal myeloblasts (immature white blood cells) in the bone marrow, leading to decreased production of normal blood cells. Here's the breakdown of the pathophysiology contributing to bruising in acute leukemia:

A) Oxyhemoglobin provides less oxygen to tissues:

Oxyhemoglobin refers to hemoglobin bound to oxygen, and its role is in oxygen transport, not in the process of bruising. Therefore, this option is not directly related to the pathophysiology of bruising in acute leukemia.

B) Insufficient platelets delay the clotting process:

Correct. Thrombocytopenia, or low platelet count, is a common complication of acute leukemia due to the replacement of normal bone marrow cells with leukemia cells, leading to inadequate production of platelets. Platelets play a crucial role in hemostasis and clot formation. Insufficient platelets result in delayed clotting, leading to easy bruising and bleeding tendencies in patients with acute leukemia.

C) Phagocytic cells are inadequate in fighting infection:

Leukopenia, or low white blood cell count, can occur in acute leukemia due to suppression of normal hematopoiesis by leukemia cells in the bone marrow. While leukopenia predisposes patients to infections due to impaired immune function, it is not directly related to the pathophysiology of bruising.

D) Lack of iron causes hypochromic blood cells:

Iron deficiency anemia can result in hypochromic red blood cells, but this is not typically associated with the pathophysiology of bruising in acute leukemia. Anemia may contribute to other symptoms such as fatigue and pallor, but bruising primarily results from thrombocytopenia-induced clotting abnormalities.

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Naxlex Comprehensive Predictor Exams

Correct Answer is A

Explanation

The nurse is explaining the underlying cause of bruising with a client who is recently diagnosed with acute leukemia. Which pathophysiology is a result of the myeloblastic dysfunction of leukemia?

Correct Answer is B

Explanation

When developing a teaching plan for a client with peripheral artery disease, the nurse should explain that intermittent claudication occurs as the result of which underlying pathophysiology?

A client with chronic osteoarthritis is troubled by knee pain. Which pathophysiological process is contributing to the pain?

In the kidney, where are the mechanisms found that are responsible for increasing urine concentration?

The nurse assesses the wound of a client who received sutures for a laceration of the hand two days ago. Which finding is a normal inflammatory response?

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