A thin smooth layer of fibrous membrane that protects the kidney is called as?

Appeared in: HSSC Staff Nurse - 2015

Explanation

the Capsule, specifically the renal capsule.
According to anatomical texts, the kidney is directly invested by a thin but tough fibrous capsule.
This capsule serves as a protective barrier, safeguarding the delicate kidney tissue from physical trauma.
It also plays a role in maintaining the shape of the kidney and acts as a barrier to prevent the spread of infections from adjacent areas into the kidney substance.

Option A: The Cortex is the outer functional tissue of the kidney, not a protective membrane. It contains the nephrons where blood filtration occurs.
Option B: The Medulla is the inner functional tissue of the kidney, organized into pyramids. It is involved in concentrating urine, not in protecting the organ externally.
Option D: Bowman's capsule is a microscopic structure that is part of the nephron. It encases the glomerulus for blood filtration and is located within the cortex, not as an external covering for the entire kidney.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Anatomy of the kidney coverings as background academic context rather than a clinical decision trigger.
The renal capsule provides a barrier that can help contain infections within the kidney (pyelonephritis), preventing them from spreading to the surrounding retroperitoneal space.
In cases of blunt trauma to the abdomen or back, the layers of fat (perirenal and pararenal) and the fibrous capsule help to cushion and protect the kidney from significant injury.
A perinephric abscess is a collection of pus in the space around the kidney, which occurs when an infection breaks through the renal capsule. This is a serious condition requiring prompt drainage and antibiotic therapy.

How to Approach the Question

First, identify the key terms in the question: 'thin smooth layer', 'fibrous membrane', and 'protects the kidney'.
This is a factual recall question about kidney anatomy.
Consider each option's definition and location in relation to the kidney.
Cortex and Medulla are the functional parts (parenchyma) of the kidney, not external coverings.
Bowman's capsule is a microscopic part of the nephron, located inside the cortex.
The term 'Capsule' directly relates to a covering. The renal capsule fits the description of a fibrous membrane that protects the organ.

Concept Tested & Keywords

QCzPewhltTcYbJk_PSKbp_

E6 Anatomy BDChaurasia V2 10e Part 2 pp. 97-99, 98-100

E6 Histology Inderbir 11e p. 68-70

Practise the full HSSC Staff Nurse - 2015

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