Henle's loop is found in-

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2022

Explanation

The Loop of Henle is a crucial part of the nephron, which is the microscopic functional unit of the kidney.
Its primary function is to create a concentration gradient in the medulla of the kidney, moving from isotonic to hypertonic.
This gradient is essential for the countercurrent multiplication mechanism, which allows the body to reabsorb water and produce concentrated urine, thus maintaining fluid and electrolyte balance.

Option A: The liver is a primary organ of the digestive system responsible for metabolism, detoxification, and producing bile. It is not part of the urinary system and does not contain nephrons or the Loop of Henle.
Option C: The pancreas is a glandular organ with both endocrine (producing hormones like insulin and glucagon) and exocrine (producing digestive enzymes) functions. It is not involved in filtering blood or forming urine.
Option D: The stomach is a muscular organ in the digestive tract that uses acid and enzymes to break down food. It has no function related to the urinary system.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Anatomy and function of the nephron as background academic context rather than a clinical decision trigger.
Understanding the Loop of Henle is critical for pharmacology, as a major class of diuretics, known as loop diuretics (e.g., Furosemide), act on this structure to increase urine output in conditions like edema and hypertension.
Dysfunction in the Loop of Henle can lead to significant imbalances in electrolytes and fluid, contributing to conditions like dehydration or fluid overload.
What if a patient is prescribed Furosemide? The nurse must diligently monitor for signs of dehydration and electrolyte imbalances, particularly hypokalemia (low potassium), as this drug inhibits ion reabsorption in the thick ascending limb of the Loop of Henle.

How to Approach the Question

First, identify the key anatomical structure in the question: 'Henle's loop'.
This is a factual recall question based on fundamental human anatomy and physiology.
Recall the major organ systems and their primary functions.
Associate 'Henle's loop' with the urinary system and its primary organ, the kidney, which is responsible for filtering blood and producing urine.
Systematically eliminate the other options (Liver, Pancreas, Stomach) by identifying them as organs of the digestive system, which have functions distinct from urine formation.

Concept Tested & Keywords

Q6_DIIX9w_BeE1JcEnk0a6

E6 Histology Inderbir 11e p. 73-75

E6 Medicine Harrison 22e Part 2 p. 273-275

E6 Anatomy BDChaurasia V2 10e Part 2 p. 99-101

Practise the full RUHS, Jaipur, PB B.Sc Nursing Entrance-2022

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