The correct answer is (d). Tetraplegia, also known as quadriplegia, is paralysis of all four limbs. It is caused by damage to the spinal cord, which can be caused by a number of things, including accidents, injuries, and diseases. People with tetraplegia may have difficulty moving, feeling, and controlling their bladder and bowels. They may also experience pain, numbness, and tingling. There is no cure for tetraplegia, but there are treatments that can help people with the condition live full and active lives.
(a) is incorrect because tetraplegia affects both hands.
(b) is incorrect because tetraplegia affects both legs.
(c) is incorrect because tetraplegia affects both hands and both legs.