Who among the following needs bone mineral density screening?

Appeared in: BTSC Staff Nurse 31 July-2025

Explanation

Postmenopausal women are the primary group requiring bone mineral density (BMD) screening.
After menopause, estrogen levels decline sharply. Estrogen is a key hormone that protects against bone loss.
This hormonal change accelerates the rate of bone resorption, leading to a condition called osteoporosis, where bones become weak and brittle.
Screening allows for early detection of low bone mass (osteopenia) or osteoporosis, enabling timely intervention to prevent debilitating fractures.

Option A: Infants' skeletons are in a rapid phase of growth and mineralization. BMD screening is not a routine procedure for this age group as their bone density is naturally low and increasing.
Option C: Teen athletes are typically at or near their peak bone mass development, especially if they engage in weight-bearing activities. Routine screening is not recommended.
Option D: While pregnancy places high demands on maternal calcium stores, routine BMD screening is not recommended. Bone density can temporarily decrease during pregnancy and lactation but generally recovers afterward.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Indications for Bone Mineral Density (BMD) Screening as background academic context rather than a clinical decision trigger.
Nurses play a vital role in identifying patients at risk for osteoporosis, particularly postmenopausal women, and educating them about the importance of BMD screening.
Patient education should include lifestyle modifications to promote bone health, such as adequate intake of calcium and vitamin D, regular weight-bearing exercise, and smoking cessation.
Fall prevention strategies are a critical nursing intervention for older adults with or at risk for osteoporosis to prevent fractures.

How to Approach the Question

First, identify the core concept of the question, which is the indication for 'bone mineral density screening'.
Recall the primary condition that BMD screening is used to detect: osteoporosis.
Think about the pathophysiology of osteoporosis. The main cause of age-related osteoporosis in women is the loss of estrogen's protective effect on bones.
Connect this pathophysiology to the given options. The loss of estrogen occurs during menopause.
Therefore, 'postmenopausal women' is the population at the highest risk and the most appropriate group for screening.
Eliminate the other options based on their physiological state: infants are growing, teens are building peak bone mass, and pregnancy involves temporary changes.

Concept Tested & Keywords

Qk0qDhhXGkIjyXwByKXUGP

E6 Medicine Harrison 22e Part 2 p. 1201-1203

E6 Gynecology Williams p. 76-96

Practise the full BTSC Staff Nurse 31 July-2025

Attempt every question from this paper in a timed mock, then review the full solution for each one.