Since, the options are not given the question is incomplete. The complete question is as follows:
A group of nursing students are reviewing information about variations in the anatomy of a child's respiratory tract structures in comparison to adults. The students demonstrate an understanding of the information when they describe the shape of the larynx in infants as:
a) funnel.
b) oval.
c) spherical.
d) cylindrical.
Answer: a) funnel
Explanation:
The larynx can be defined as the voice box of human body. It is the organ that is located at the top of the neck. It has a role in breathing , production of sound and protecting the trachea in food aspiration. The larynx manipulates the volume and pitch of sound this process is called as phonation.
In case of infants and children (more than 10 years of age), the cricoid cartilage can be found underdeveloped, thus in infants the larynx remain in narrow funnel shaped. But in teenagers and in adults, the larynx appears cylindrical and remains uniform in width.