In assessing a client with skin ulcers on the lower extremity, which findings indicate that the ulcers are likely to be of venous, rather than arterial, origin?
Absent pedal pulses and shiny skin.
Irregular ulcer shapes and severe edema.
Hairless lower extremities and cool feet.
Black ulcers and dependent rubor.
The Correct Answer is B
B. Severe edema is a common finding in venous insufficiency and is often present in the lower extremities. Venous hypertension leads to fluid leakage from capillaries, resulting in edema, which contributes to the development of venous ulcers. Venous ulcers typically have irregular shapes with irregular wound margins and may appear shallow or superficial.
A. Absent pedal pulses suggest arterial insufficiency, as reduced blood flow compromises peripheral circulation. Shiny skin, known as "thinning of the skin," is a characteristic finding in arterial insufficiency due to chronic ischemia and tissue hypoxia.
C. Hair loss on the lower extremities is a common finding in arterial insufficiency due to decreased blood flow to the hair follicles.
D. Black ulcers (gangrene) are indicative of tissue necrosis resulting from severe arterial insufficiency and lack of oxygen supply to the tissues. Dependent rubor refers to redness of the lower extremities when the legs are in a dependent position.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A high-pitched sound heard upon inspiration, known as a "stridor," can indicate airway obstruction or respiratory distress. In the postoperative period following an appendectomy, airway patency and adequate ventilation are essential for the client's oxygenation and recovery.
B. While a slightly elevated heart rate may be expected in the immediate postoperative period due to stress or pain, it does not typically require immediate action unless accompanied by other concerning symptoms.
C. Redness and edema at the incision site can be normal inflammatory responses following surgery.
D. Pain is common after surgery, and a pain rating of 8 on a scale of 0 to 10 indicates moderate to severe pain.
Correct Answer is A
Explanation
A. Meningococcal meningitis is a bacterial infection of the meninges (the protective membranes covering the brain and spinal cord) caused by the bacterium Neisseria meningitidis. It is characterized by symptoms such as severe headache, fever, nuchal rigidity (stiff neck), and a petechial rash on the skin. The petechial rash is a distinguishing feature of meningococcal meningitis and is caused by bleeding into the skin due to disseminated intravascular coagulation (DIC) associated with the infection.
B. A cerebrovascular accident, commonly known as a stroke, occurs when blood flow to a part of the brain is interrupted, leading to tissue damage and neurological deficits. While a stroke can cause symptoms such as headache and neurological deficits, it typically does not present with fever, nuchal rigidity, or a petechial rash.
C. Intracerebral hemorrhage is bleeding within the brain tissue, often due to the rupture of a blood vessel. It can cause symptoms such as headache, neurological deficits, and alterations in consciousness, but it typically does not present with fever, nuchal rigidity, or a petechial rash.
D. Rocky mountain spotted fever (RMSF) is a bacterial infection caused by the bacterium. While RMSF can present with fever and rash, it typically does not present with nuchal rigidity, and the petechial rash associated with RMSF tends to start on the extremities rather than the arms and legs.
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