The two pubic bones meet anteriorly to form?

Appeared in: DSSSB Public Health Nurse - 2015

Explanation

The question asks to identify the structure formed by the anterior meeting of the two pubic bones.
The symphysis pubis is a secondary cartilaginous joint located between the left and right pubic bones near the midline of the body.
As confirmed by anatomical texts, the medial or symphyseal surface of each pubic bone articulates with the opposite pubis to form the pubic symphysis.
This joint is located anteriorly and inferiorly to the urinary bladder.

Option A: The coccyx, or tailbone, is the final segment of the vertebral column. It is located posteriorly, not anteriorly, and is not formed by the meeting of the pubic bones.
Option C: The sacrococcygeal ligament connects the sacrum to the coccyx. Both of these are posterior structures of the pelvis and spine.
Option D: The sacroiliac joint is the articulation between the sacrum and the ilium bone of the pelvis. This is a large, weight-bearing joint located on the posterior side of the pelvis.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Anatomy of the Pelvic Girdle as background academic context rather than a clinical decision trigger.
Nurses, especially in obstetrics and orthopedics, must be aware of the anatomy of the symphysis pubis.
During pregnancy, hormonal relaxation can lead to Symphysis Pubis Dysfunction (SPD), causing pain and mobility issues. Nurses assess for this condition and provide supportive care, such as recommending pelvic support belts and activity modification.
Trauma to the pelvis can cause a diastasis (separation) of the symphysis pubis, which is a medical emergency requiring immediate intervention. Nurses monitor for signs of instability and associated internal injuries.

How to Approach the Question

First, identify the key anatomical terms in the question: 'two pubic bones' and 'meet anteriorly'.
This directs you to look for a structure at the front of the pelvis involving the pubic bones.
Evaluate each option based on its anatomical location.
Recall or deduce that 'symphysis' often refers to a midline cartilaginous joint, and 'pubis' refers to the pubic bone.
Eliminate options that are located posteriorly (Coccyx, Sacroiliac joint, Sacrococcygeal ligament).
This process of elimination and anatomical knowledge leads to 'Symphysis pubis' as the only plausible anterior joint formed by the pubic bones.

Concept Tested & Keywords

QIqQAKJlyYihQ1fjIxrnui

E6 Anatomy BDChaurasia V2 10e Part 1 p. 31-33

E6 Anatomy Grays 43e Vol 2 Part 2 pp. 20-22, 19-21

Practise the full DSSSB Public Health Nurse - 2015

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