The blood pressure (BP) of a 71-year-old patient admitted with pneumonia is 160/70 mm Hg. Which age-related change contributes to this finding?
Stenosis of the heart valves.
Decreased adrenergic sensitivity.
Increased parasympathetic activity.
Loss of elasticity in arterial vessels.
The Correct Answer is D
Choice A rationale:
Stenosis of the heart valves typically leads to murmurs and changes in heart sounds but does not directly impact blood pressure regulation.
Choice B rationale:
Decreased adrenergic sensitivity might lead to lower heart rate and blood pressure, not an increase in systolic blood pressure as seen in this case.
Choice C rationale:
Increased parasympathetic activity would lead to decreased heart rate, not an increase in systolic blood pressure as observed in the patient.
Choice D rationale:
Loss of elasticity in arterial vessels is the correct answer. With aging, arterial walls become less flexible and more rigid due to the accumulation of calcium and collagen. This loss of elasticity results in increased systolic blood pressure, which is the top number in a blood pressure reading. The diastolic pressure, represented by the bottom number, does not usually increase significantly with age. This change is a result of arteriosclerosis, which commonly occurs in elderly individuals.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
Taking a daily walk is a beneficial activity for patients with venous leg ulcers. Walking promotes blood circulation, which can aid in wound healing. This statement indicates that the patient understands the importance of physical activity for their condition.
Choice B rationale:
Trying to lose weight is another positive step for a patient with venous leg ulcers, especially if the patient is overweight. Excess body weight can put additional pressure on the veins in the legs, worsening venous insufficiency. Losing weight can alleviate this pressure and improve venous circulation, supporting the healing process of leg ulcers.
Choice C rationale:
Wearing stockings after getting out of bed is a proper technique for managing venous leg ulcers. Compression stockings help improve blood flow in the legs and reduce swelling, which is beneficial for patients with venous insufficiency and leg ulcers. This statement indicates that the patient understands the importance of wearing compression stockings consistently.
Choice D rationale:
Not wearing knee-high socks that are tight around the calf is essential advice for patients with venous leg ulcers. Tight clothing, including socks or stockings, can impede blood circulation in the legs, worsening venous insufficiency and delaying wound healing. This statement indicates the need for further education because the patient should avoid any tight clothing around the affected area to promote optimal blood flow and wound healing.
Correct Answer is C
Explanation
Choice A rationale:
Enteric-coated iron is designed to be absorbed in the small intestine, not the stomach. Taking it with each meal might decrease its absorption due to interaction with food.
Choice B rationale:
Cobalamin (vitamin B12) deficiency can cause macrocytic anemia, not microcytic hypochromic anemia. Taking cobalamin with green, leafy vegetables does not address the specific iron deficiency seen in microcytic hypochromic anemia.
Choice C rationale:
Take the iron with orange juice 1 hour before meals is the correct answer. Vitamin C enhances the absorption of non-heme iron (the type of iron found in plant-based foods and iron supplements) by reducing it to a more absorbable form. Taking iron supplements with orange juice, which is high in vitamin C, can significantly improve iron absorption. Taking it before meals ensures better absorption due to reduced interaction with other dietary components.
Choice D rationale:
Decreasing the intake of antiseizure medications will not improve microcytic hypochromic anemia. Antiseizure medications do not directly influence iron absorption or the production of red blood cells.
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