Which of the following words is closest in meaning to “Occlude”?

Occlude means to block or shut off.

• Correct answer - block: it has the same meaning as Occlude.
• defy: to openly resist - wrong, it does not mean the same as Occlude.
• saturate: to soak thoroughly - wrong, it does not mean the same as Occlude.
• reflect: to throw back light; to think - wrong, it does not mean the same as Occlude.