Leave the questions on a line by itself. Write out the correct answer yourself. Use your version to help you revise the question, as needed, and to estimate how much time students will need to complete the question. If you can answer the question in ten minutes, students will probably need twenty to thirty minutes. Use these estimates in determining the number of questions to ask on the exam. Give students advice on how much time to spend on each question. Decide on guidelines for full and partial credit.
In anatomy, a sinus is a cavity within a bone or other tissue. Most are commonly found in the bones of the face and connecting with the nasal cavities: 1  Sinus (anatomy) , description of the general term. 2  Paranasal sinuses, air cavities in the cranial bones, especially those near the nose, including: Sinus (anatomy) , description of the general term. 2  Paranasal sinuses, air cavities in the cranial bones, especially those near the nose, including: 3  the maxillary sinuses, also called the maxillary antra and the largest of the paranasal sinuses, are under the eyes, in the maxillary bones.
Sinus, Allergy and Nasal Disorders. Sinus & Allergy Disorders. The sinuses are small, hollow chambers inside the nose and head that reduce the weight of the facial bones, give the bones shape and support, assist in mucus drainage from the nose, and help the voice resonate. Healthy sinuses are filled with air.