In assessing a client with ulcers on the lower extremity, which findings indicate that the ulcers are likely to be of venous, rather than arterial, origin?
Irregular ulcer shapes and severe edema.
Hairless lower extremities and cool feet.
Black ulcers and dependent rubor.
Absent pedal pulses and shiny skin.
The Correct Answer is A
Choice A reason: Irregular ulcer shapes and severe edema are characteristic of venous ulcers, which are caused by impaired venous return and increased capillary pressure. Venous ulcers are usually located near the medial malleolus and have a shallow depth.
Choice B reason: Hairless lower extremities and cool feet are signs of arterial insufficiency, which reduces blood flow and oxygen delivery to the tissues. Arterial ulcers are usually located on the toes, heels, or lateral malleoli and have a deep, punched-out appearance.
Choice C reason: Black ulcers and dependent rubor are also signs of arterial insufficiency, indicating tissue necrosis and inflammation. Dependent rubor is a reddish-blue color of the lower extremity that occurs when the leg is lowered below the level of the heart.
Choice D reason: Absent pedal pulses and shiny skin are also signs of arterial insufficiency, indicating reduced blood flow and atrophy of the skin. The skin may also be dry, scaly, or cracked.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Irregular ulcer shapes and severe edema are characteristic of venous ulcers, which are caused by impaired venous return and increased capillary pressure. Venous ulcers are usually located near the medial malleolus and have a shallow depth.
Choice B reason: Hairless lower extremities and cool feet are signs of arterial insufficiency, which reduces blood flow and oxygen delivery to the tissues. Arterial ulcers are usually located on the toes, heels, or lateral malleoli and have a deep, punched-out appearance.
Choice C reason: Black ulcers and dependent rubor are also signs of arterial insufficiency, indicating tissue necrosis and inflammation. Dependent rubor is a reddish-blue color of the lower extremity that occurs when the leg is lowered below the level of the heart.
Choice D reason: Absent pedal pulses and shiny skin are also signs of arterial insufficiency, indicating reduced blood flow and atrophy of the skin. The skin may also be dry, scaly, or cracked.
Correct Answer is C
Explanation
Choice A: A headache rated at 0 on 0 to 10 scale is not a specific indicator of the effectiveness of an antihistamine. A headache may be caused by other factors, such as dehydration, stress, or sinus congestion.
Choice B: Oxygen saturation level of 99% is a normal finding and does not reflect the effect of an antihistamine. Oxygen saturation measures the amount of oxygen in the blood and can be affected by respiratory conditions, altitude, or smoking.
Choice C: Ambulating easily without vertigo is a sign that the antihistamine is effective. Vertigo is a common symptom of Ménière's disease, which is a disorder of the inner ear that causes episodes of spinning sensation, hearing loss, and tinnitus. Antihistamines can help reduce the fluid buildup in the inner ear and relieve vertigo.
Choice D: Blood pressure of 120/80 mm Hg is a normal finding and does not indicate the effect of an antihistamine. Blood pressure measures the force of blood against the walls of the arteries and can be influenced by factors such as heart rate, cardiac output, blood volume, and vascular resistance.
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