First sinus developed ______________?

Correct answer: A. Maxillary sinus

A. Maxillary sinus
B. Frontal sinus
C. Sphenoidal sinus
D. Ethmoidal sinus

Explanation

The maxillary sinus begins as an evagination of the nasal sac during fetal development, making it the earliest developing paranasal sinus. The other sinuses develop later and enlarge mainly after birth.

Submitted by a TestUstad contributor and published by the TestUstad editorial teamLast updated 21 September 2026

Report an error

What is wrong?

Which one should be correct?

Anything to add? (optional)

The more specific you are, the faster it gets fixed. A source beats an opinion.

Prefer email? support@testustad.com

Practise Head and Neck

379 free Head and Neck MCQs from General Anatomy, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Start a free Head and Neck test All Head and Neck MCQs

Exams that ask General Anatomy questions like this

General Anatomy is on 7 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

FCPS Part 1 General Anatomy20 MCQs NLE General Anatomy16 MCQs MO General Anatomy12 MCQs USMLE Step 1 General Anatomy12 MCQs AMC MCQ General Anatomy10 MCQs PLAB 1 General Anatomy10 MCQs Dental Surgeon Test General Anatomy8 MCQs

First sinus developed ______________?

Practise Head and Neck

Exams that ask General Anatomy questions like this

More Head and Neck questions