The laryngeal cartilage that is correctly described below is the:
a) epiglottis: single cartilage, blocks food and liquid from entering the larynx
b) thyroid cartilage: single rectangular cartilage on posterior of larynx
c) cricoid cartilage: single cartilage, superior to epiglottis
d) corniculate cartilage: part of pair, important in voice production
e) cuneiform cartilage: single cartilage, forms prominence commonly called adam's apple