A. Anterior wall of the sinus
B. Posterior wall of the sinus
C. Roof of the sinus
D. Floor of the sinus
Related Mcqs:
- On clinical examination a 60 years old female had a tumor in the right buccal mucosa. The size of the tumor was about 2 cm in diameter. There was no involvement of regional lymph nodes and also had no distant metastasis The TNM stage of the tumor is____________?
A. T1 No Mo
B. T1 NI Mo
C. T1 N2 Mo
D. T2 No Mo - Maxillary sinus is described as a four sided pyramid containing base, apex, roof and floor. The apex of maxillary sinus extends________________?
A. Laterally into zygomatics process of maxilla
B. Medially into zygomatic process of maxilla
C. Laterally into lateral nasal wall
D. Superiorly into floor of orbit - A patient with carinoma cheek has tumor of 2.5 cms located close to and involving the lower alveolus. A single mobile homolateral node measuring node measuring 6 cm is palpable. Based on these clinical findings TNM stage of the tumor is______________?
A. T1 N1 Mo
B. T2 N2 Mo
C. T3 N1 Mo
D. T4 N2 Mo - Pap smear is used to detect dysplasia, carcinoma insitu and invasive carcinoma of uterine cervix. This is based on the principle of_______________?
A. Neoplastic cells are cohesive
B. Neoplastic cells are are non cohesive
C. Hyper chromatic and pleomorphism of tumour cells
D. All of the above - A 20yr old patient reports with multiple swelling of the jaws. Clinical examination reveals multiple hard swellings involving the jaws and intra orally several missing teeth are noticed. Panoramic radiograph reveals multiple radio opaque lesions in the maxilla and the mandible with multiple impacted teeth and supernumerary teeth indicative of Gardeners syndrome: The above mentioned condition is______________?
A. Autosomal dominant disease
B. Autosomal recessive disorder
C. X-linked disease
D. A syndrome of unknown cause - What is maxillary air sinus ?
A. Paranasal air sinus situated close to maxilla
B. Venous sins situated close to maxilla
C. Paranasal air sinus situated in maxilla
D. Venous sinus extending in to the maxilla - The maxillary air sinus opens into middle meatus at______________?
A. Infundibulum
B. Summit of infundibulum
C. Bulla ethmoidalis
D. Hiatus semilunaris - The tooth present close to maxillary sinus is_________________?
A. 1st molar
B. 2nd premolar
C. 1st premolar
D. 2nd molar - Functional importance of maxillary sinus is______________?
A. Lightening of skull weight and production of bactericidal lysozyme to the nasal cavity
B. Protects the brain against exposure to cold air by arresting air in sinus temporarily
C. Resonance of voice and enhancement of faciocranial resistance to mechanical shock
D. All of the above - The type of epithelium lining maxillary sinus is_______________?
A. Simple columnar
B. Pseudo stratified columnar and cilliated
C. Stratified squamous
D. Simple squamous