901. The type of epithelium lining maxillary sinus is_______________?
A. Simple columnar
B. Pseudo stratified columnar and ciliated
C. Stratified squamous
D. Simple squamous

902. 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

903. The articular cartilage is characterized by all of the following features except_____________?
A. It is devoid of perichondrium
B. It has a rich nerve supply
C. It is avascular
D. It lacks the capacity to regenerate

904. The muscle which is commonly involved in myofascial pain dysfunction syndrome______________?
A. Lateral pterygoid
B. Masseter
C. Temporalis
D. Medial pterygoid

905. Phenytoin is associated with_____________?
A. Folic acid deficiency
B. Alzheimer’s disease
C. Cushing’s syndrome
D. Vitamin C deficiency

906. All of the following statements about opioids is correct except_____________?
A. Pentazocine and buprenorphine
B. Pentazocine shows withdrawal symptoms in opioid dependent patients
C. Partial agonists are free from classic opioid adverse effects
D. Ethomorphine is similar to pethidine chemically

907. All of the following decrease skeletal muscle tone by CNS effects except____________?
A. D-tubocurarine
B. Diazepam
C. Baclofen
D. Mephenesin

908. Amitriptyline is a____________?
A. Antibiotic
B. Sedative
C. Tricyclic antidepressant
D. Diuretic

909. Thiopentone action is terminated by______________?
A. Excretion
B. Metabolism
C. Redistribution
D. Recycling

910. Phenothiazines are used to____________?
A. Produce muscle relaxation
B. Alter psychotic behaviour
C. Suppress coughing
D. Produce analgesia