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MDCAT
Biology
2025

Biology · Transport

Work through this past-paper style MCQ, then read the full explanation. Practice more biology questions on mMCQ with adaptive drills and topic analytics.

Question

The heart is surrounded by a tough, inelastic double membranous

covering called:

Options
  • A

    Pleura

  • B

    Peritoneum

  • C

    Pericardium

  • D

    Meninges

Explanation

The correct answer is Pericardium, as it specifically refers to the double membranous covering that surrounds the heart, providing necessary protection and support. The term 'tough' indicates its strength, while 'double membranous' refers to its layered structure. The other options are incorrect: Pleura relates to the lungs, Peritoneum refers to the abdominal cavity, and Meninges are associated with the central nervous system, highlighting the distinct anatomical roles of these membranes.

The pleura are the membranes surrounding the lungs, not the heart.

The peritoneum is the membrane lining the abdominal cavity, which does not relate to the heart.

The pericardium is the tough, double membranous covering that surrounds the heart, providing protection and support.

The meninges are the protective membranes covering the brain and spinal cord, unrelated to the heart.

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Tagged under Biology · Transport · 2025