Marked area shown in the following image is:

Appeared in: AIIMS Delhi NO- 2019

Explanation

The image highlights the pectoral region, which lies on the anterior (front) wall of the chest.
The chest area is anatomically referred to as the thoracic region or thorax.
Therefore, the thoracic region is the correct term that encompasses the area marked in the image.

Option A: The axillary region, commonly known as the armpit, is the space located between the upper arm and the side of the chest. The highlighted area is on the front of the chest, not the armpit.
Option B: The cubital region (or cubital fossa) is the triangular depression on the anterior surface of the elbow joint. This is located on the arm, far from the area shown in the image.
Option D: This option is incorrect because a correct answer, Thoracic region, is available among the choices.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of anatomical regions of the upper torso as background academic context rather than a clinical decision trigger.
Accurate identification of the thoracic region is fundamental for nurses during physical assessment, including auscultation of heart and lung sounds, and palpation for tenderness or masses.
The pectoral area within the thoracic region is a key site for placing electrocardiogram (ECG) leads (e.g., V1, V2), which is a common nursing procedure.
Knowledge of these regions is also crucial for documenting the location of wounds, rashes, or other skin abnormalities.

How to Approach the Question

First, carefully observe the image provided and identify the exact location of the highlighted area on the body.
Recognize that the marked area is on the upper front part of the chest, covering the pectoral muscles.
Next, review the given options, which are names of different anatomical regions.
Evaluate each option against your observation. 'Axillary region' is the armpit, and 'Cubital region' is the elbow; both are incorrect.
Identify that 'Thoracic region' refers to the chest, which correctly includes the highlighted pectoral area.
Conclude that 'Thoracic region' is the best and most accurate description among the choices.

Concept Tested & Keywords

Concept Tested: Identification of anatomical regions of the upper torso.
Stem keywords: Marked area, image, anatomical region
Lead-in keywords: BEST, MOST RELEVANT CLUE
Clinical cues: The image highlights the pectoral muscles on the anterior chest wall.
Negative lead-in flag: false

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E6 Anatomy BDChaurasia V1 10e p. 42-44

E6 Anatomy Grays 43e Vol 2 Part 2 p. 116-118

Practise the full AIIMS Delhi NO- 2019

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