Medical condition in which the bones become brittle and fragile from loss of tissue, typically as a result of hormonal changes, or deficiency of calcium or vitamin D is known as

Appeared in: Uttarakhand CHO - 2021

Explanation

Osteoporosis is a condition characterized by decreased bone strength and increased fragility due to a reduction in bone mass and density.
The question's description of bones becoming 'brittle and fragile' from 'loss of tissue' is the hallmark of osteoporosis.
Key causes mentioned in the stem, such as hormonal changes (especially estrogen loss in postmenopausal women), and deficiency of calcium or vitamin D, are primary risk factors for developing osteoporosis.

Option A: Osteomyelitis is an infection and inflammation of the bone, typically caused by bacteria. It presents with pain, fever, and swelling, not primarily with brittle bones from tissue loss.
Option B: A fracture is the outcome or complication of a condition like osteoporosis; it is a break in the bone, not the underlying disease process that weakens the bone.
Option D: Osteomalacia is characterized by the softening of bones due to defective bone mineralization, primarily from severe vitamin D deficiency. The bones become soft and flexible, not brittle and porous as in osteoporosis.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Metabolic Bone Diseases as background academic context rather than a clinical decision trigger.
Nurses play a crucial role in educating patients about osteoporosis prevention through diet (calcium, vitamin D), weight-bearing exercise, and lifestyle modifications (smoking cessation, limiting alcohol).
A key nursing responsibility for patients with diagnosed osteoporosis is implementing fall prevention strategies to reduce the risk of fragility fractures, which can lead to significant morbidity and mortality.
What if? If a patient presented with bone pain and skeletal deformities like bowed legs, and lab tests showed low serum calcium and phosphorus with high alkaline phosphatase, the diagnosis would shift from osteoporosis to osteomalacia. The treatment would then focus on high-dose vitamin D and calcium supplementation to correct the mineralization defect.

How to Approach the Question

First, break down the question stem to identify the key descriptors of the condition: 'brittle', 'fragile', and 'loss of tissue'.
Next, analyze the listed causes: 'hormonal changes', 'deficiency of calcium or vitamin D'.
Evaluate each option against these key features. 'Osteoporosis' directly matches the description of brittle bones resulting from a loss of mass.
Differentiate between the options. Recognize that a 'fracture' is a result, not the disease. 'Osteomyelitis' is an infection. 'Osteomalacia' involves soft bones, not brittle ones, which is the key differentiator.
Select the option that best fits the complete clinical picture described in the stem.

Concept Tested & Keywords

Concept Tested: Metabolic Bone Diseases
Stem keywords: bones, brittle, fragile, loss of tissue, hormonal changes, deficiency of calcium or vitamin D
Lead-in keywords: is known as
Negative lead-in flag: false

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E6 Medicine Harrison 22e Part 2 p. 1195-1197

E6 Pathology-Vandana Puri & Kavita Gaur Textbook of Pathology and Genetics p. 265-267

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 4 p. 155-157

Practise the full Uttarakhand CHO - 2021

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