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.
The sinuses are small, hollow spaces inside the head. They drain into the nose. The sinuses often cause problems after a cold. They can also cause problems if they get blocked up from hay fever and other allergies. The medical name for sinus problems is sinusitis. Sinus problems can be very uncomfortable. You may feel stuffed up. You may have yellow, green, or gray mucus. And you may feel pain or pressure around your eyes, cheeks, forehead, or teeth. Each year, millions of people use antibiotic drugs to treat sinus problems.