The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Modulus of elasticity means:   (A) Rigidity or stiffness of the material   (B) Ability to be stretched with permanent deformation   (C) Ductility of a material   (D) Malleability of the metal
['(A) Rigidity or stiffness of the material <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Rigidity or stiffness of the material \n (B) Ability to be stretched with permanent deformation \n (C) Ductility of a material \n (D) Malleability of the metal <> possible answers', '  Modulus of elasticity means: <> context@']