The largest gland of human body is-

RUHS, Jaipur, PB B.Sc Nursing Entrance-2022

Applied Anatomy

Easy

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

Explanation

The liver is the largest gland and also the largest internal organ in the human body, weighing approximately 1.5 kg in an adult.
It is classified as a gland because it secretes substances for use elsewhere in the body.
Its primary glandular (exocrine) function is the production of bile, which is essential for the digestion and absorption of fats.
Beyond its glandular role, the liver performs over 500 vital functions, including detoxification, protein synthesis, and metabolic regulation.

Option A: The thymus is a primary lymphoid organ with some endocrine functions, not the largest gland. It is largest during puberty and then atrophies, weighing only about 10-40 grams at its peak.
Option B: The kidneys are primarily excretory organs, not glands in the traditional sense, and are much smaller than the liver. Each kidney weighs only about 150 grams.
Option D: The pancreas is a vital mixed (exocrine and endocrine) gland, but it is significantly smaller than the liver, weighing only about 80-100 grams.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of the largest gland in the human body as background academic context rather than a clinical decision trigger.
Assessing liver function through blood tests (LFTs) is a common nursing responsibility, as elevated enzymes can indicate liver damage from conditions like hepatitis or cirrhosis.
Nurses must monitor for signs of liver dysfunction, such as jaundice (yellowing of skin/eyes), ascites (abdominal swelling), and encephalopathy (confusion), which indicate the liver is failing to perform its vital metabolic and detoxification roles.
What if? If a patient had chronic pancreatitis instead of liver disease, the nurse's primary focus would shift from monitoring for jaundice and ascites to managing severe abdominal pain, monitoring for blood sugar fluctuations (due to damaged insulin-producing cells), and administering pancreatic enzymes with meals.

How to Approach the Question

First, identify the core of the question, which is to find the 'largest gland'.
Recall the basic anatomy and function of the organs listed in the options.
Consider the term 'gland,' which refers to an organ that secretes substances. All options have some glandular function.
The deciding factor is 'largest.' Compare the approximate sizes or weights of the liver, kidneys, pancreas, and thymus.
The liver (approximately 1500g) is significantly larger than the kidneys (approximately 150g each), pancreas (approximately 100g), and thymus (approximately 40g).
Based on this comparison, the liver is unequivocally the largest gland among the choices.

Concept Tested & Keywords

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E6 Anatomy BDChaurasia V2 10e Part 2 p. 77-79

E6 Pathology-Textbook of PATHOLOGYHarsh Mohan Part 3 (515-969) p. 136-138