Elderly women are more prone to develop hip fracture because of-

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2024

Explanation

Decreased estrogen secretion.
After menopause, the sharp decline in estrogen leads to a state of hormonal imbalance that accelerates bone loss.
Estrogen normally inhibits osteoclasts (cells that break down bone). Without enough estrogen, osteoclast activity increases, and bone resorption (breakdown) outpaces bone formation.
This process results in osteoporosis, a condition where bones become weak, porous, and highly susceptible to fractures, especially in the hip, spine, and wrist.
The rate of bone loss is most rapid in the first 5-10 years after menopause, significantly increasing the lifetime risk of a fragility fracture.

Option A: A sedentary lifestyle is a significant risk factor for osteoporosis, but it is not the primary physiological reason specific to elderly women. The most direct cause is the hormonal shift of menopause.
Option C: This statement is factually opposite to what occurs. Elderly women experience a decrease in bone density, which makes their bones weaker and more prone to fracture.
Option D: This is also factually incorrect. Aging and estrogen deficiency are associated with decreased, not increased, absorption of calcium from the intestines. This reduced absorption can further worsen bone loss.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pathophysiology of postmenopausal osteoporosis and its link to hip fractures in elderly women as background academic context rather than a clinical decision trigger.
Nurses play a key role in identifying at-risk women and educating them about osteoporosis prevention strategies, including diet, exercise, and fall prevention.
Screening for osteoporosis using a DEXA (Dual-energy X-ray Absorptiometry) scan is recommended for all women aged 65 and older, and for younger postmenopausal women with risk factors.
Patient education should emphasize the importance of adequate calcium (1200 mg/day) and Vitamin D (800-1000 IU/day) intake, along with weight-bearing exercises like walking.

How to Approach the Question

First, analyze the question's focus: 'Elderly women' and 'hip fracture'. This points to a specific demographic and a common age-related condition.
Consider the major physiological event that distinguishes older women from other populations: menopause and the associated hormonal changes.
Evaluate each option based on this context. 'Decreased estrogen secretion' is a direct consequence of menopause.
Assess the other options. 'Sedentary lifestyle' is a contributing factor but not the primary cause. 'Increased bone density' and 'increased calcium absorption' are factually incorrect in this context.
Conclude that the most direct and primary cause for accelerated bone loss and fracture risk in elderly women is the decrease in estrogen.

Concept Tested & Keywords

Concept Tested: Pathophysiology of postmenopausal osteoporosis and its link to hip fractures in elderly women.
Stem keywords: Elderly women, hip fracture
Lead-in keywords: because of
Clinical cues: The question specifies 'elderly women', pointing towards age- and sex-specific physiological changes like menopause.

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E6 Gynecology Williams p. 72-95

E6 Medicine Harrison 22e Part 2 p. 1199-1201

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