Which of the following is NOT true about testes?

RRB Staff Nurse Mumbai-2015

Applied Anatomy

Easy

Appeared in: RRB Staff Nurse Mumbai-2015

Explanation

The statement is incorrect because the formation, development, and liberation of ova (eggs) are functions of the ovaries, the female gonads.
This process in females is called oogenesis (formation) and ovulation (liberation).
The testes are the male gonads, and their primary gametogenic function is to produce spermatozoa (sperm).

Option A: This is a true statement. The primary function of the testes is spermatogenesis, which is the production of spermatozoa (sperm) within the seminiferous tubules.
Option B: This is a true statement. Anatomically, while the testes are located outside the abdominal cavity in the scrotum, they are classified as internal genital organs, distinct from the external genitalia (penis and scrotum).
Option D: This is a true statement. The Leydig cells in the testes produce testosterone, the principal male sex hormone, which is responsible for the development and maintenance of male secondary sexual characteristics (e.g., deep voice, body hair, muscle mass).

Visual 1: Diagram - An annotated diagram of the male reproductive system, highlighting the testes, seminiferous tubules, and Leydig cells. This helps visualize the site of sperm and testosterone production.
Visual 2: Comparison Chart - A chart comparing the functions of male (testes) and female (ovaries) gonads, showing the differences in gametes and hormones produced.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Functions of the Male Reproductive System as background academic context rather than a clinical decision trigger.
Understanding the distinct functions of the testes is fundamental for nurses in areas like fertility counseling, reproductive health education, and assessing for endocrine disorders.
A patient presenting with infertility may undergo semen analysis to evaluate sperm production (gametogenic function) and blood tests to check testosterone levels (endocrine function), helping to pinpoint testicular dysfunction.
What if a male patient has a low sperm count but normal testosterone levels? This suggests a problem with the gametogenic function (spermatogenesis) specifically, possibly due to an issue within the seminiferous tubules or a blockage, rather than a hormonal (endocrine) failure.

How to Approach the Question

First, identify the negative keyword 'NOT' in the question stem. This means you are looking for the one false statement among the options.
Read the core subject of the question, which is 'testes'.
Evaluate each option for its factual accuracy regarding the function and classification of the testes.
Option A: Recall the primary function of testes - sperm production. This is true.
Option B: Recall the anatomical classification of reproductive organs. Testes are internal gonads. This is true.
Option C: Consider the term 'ova'. This is the female gamete. Testes are male gonads. This statement is false.

Concept Tested & Keywords

Concept Tested: Functions of the Male Reproductive System
Stem keywords: testes, NOT true
Lead-in keywords: NOT
Negative lead-in flag: The question asks to identify the statement that is NOT true.

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