During an assessment of an older adult, the nurse should expect to which finding as a normal physiologic change associated with the aging process?
Narrowing of the inferior vena cava, causing low blood flow and increases in venous pressure resulting in varicosities
Progressive atrophy of the intramuscular calf veins, causing venous insufficiency
Peripheral blood vessels growing more rigid with age, producing a rise in systolic blood pressure
Hormonal changes causing vasodilation and a resulting drop in blood pressure
The Correct Answer is C
A. Narrowing of the inferior vena cava, causing low blood flow and increases in venous pressure resulting in varicosities. The inferior vena cava does not significantly narrow with aging. Varicosities are more commonly due to valve insufficiency in the veins rather than vena cava narrowing.
B. Progressive atrophy of the intramuscular calf veins, causing venous insufficiency. Venous insufficiency is common in older adults, but it is primarily due to valve dysfunction and prolonged venous pressure rather than atrophy of calf veins.
C. Peripheral blood vessels growing more rigid with age, producing a rise in systolic blood pressure. Aging leads to arteriosclerosis, where blood vessels become stiffer, reducing their ability to expand and contract, which contributes to increased systolic blood pressure. This is a well-documented normal physiologic change in older adults.
D. Hormonal changes causing vasodilation and a resulting drop in blood pressure. While some hormonal changes occur with aging, they do not typically lead to significant vasodilation. In fact, the loss of vascular elasticity and autonomic dysfunction can contribute to postural hypotension, but not a generalized drop in blood pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["10"]
Explanation
Calculation:
Volume to administer = Dose ordered/ Dose available
Given:
- Ordered dose = 10 mg
- Available concentration = 10 mg/10 mL
Volume =10mg/(10mg/10mL)
= 10mL
Thus, the nurse will administer 10 mL per dose.
Correct Answer is C
Explanation
Client A has normal vital signs except for a mild fever, no urgent intervention needed.
Client B shows mild tachycardia and increased respiratory rate, but oxygen saturation and blood pressure remain stable, requires monitoring but not immediate action.
Client C has fever, tachycardia, and tachypnea, suggesting infection or dehydration. While assessment is needed, the patient is not in immediate distress compared to Client D.
Client D requires immediate nursing intervention due to the following critical findings: Bradycardia which may indicate poor perfusion, conduction abnormalities, or medication side effects, bradypnea can signal respiratory depression or impending failure, hypotension suggests shock or decreased perfusion, which may lead to organ failure and hypoxia, oxygen saturation below 90% is a critical finding and requires immediate intervention.
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