Related Questions

When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage
A decreases
B increases
C remains constant
D none of the above
Tributaries of the cavernous sinus include
A Sphenoparietal sinus
B Superficial middle cerebral vein
C Superior ophthalmic vein
D Superior petrosal sinus
E Deep facial vein
Maxillary sinus
A Develops in intrauterine life
B Opens in the middle meatus
C Is rectangular in shape
D Is supplied by the vagus nerve
E Attains full size at adult life
The maxillary air sinus
A Opens into the middle meatus of the nose
B Is innervated by the superior alveolar nerves
C Is rudimentary at birth
D Contains the infraorbital nerve in its roof
E Is lined by the columnar non-ciliated epithelium
Superior sagittal sinus
A Has arachnoid villi
B Occupies the upper border of falx cerebri
C Lies between dura mater and arachnoid mater
D Is formed by union of great cerebral vein and superior cerebral vein
E Forms the right transverse sinus
Dural venous sinus
A Is devoid of muscular tissue
B Is located within the dural folds
C Receives venous blood from the ear
D Drains into the external jugular vein
E Is provided with valves
Increased pressure within the carotid sinus results in
A Reflex bradycardia
B Decrease in sympathetic tone
C Decrease in cardiac contractility
D Reflex hyperpnea
E Decrease in diameter of blood vessels
Increased pressure within the carotid sinus decreases
A Sympathetic tone
B Heart rate
C Cardiac contractility
D Pulmonary ventilation
E Diameter of blood vessel
Biopsy report from a curettage material of a sinus tract over mandible of a 30 years old female read granulation tissue with many neutrophils few forcing body giant cells bone. The possible nature of the lesion in
A Chronic osteomyelitis
B Tuberculosis
C Undifferentiated carcinoma
D Dentigerous cyst
E Actinomycosis
Following skin diseases presents with discharging sinus
A Actinomycosis
B Madura foot
C Darier's disease
D Porphyria cutanea tarda
E Scrofuloderma

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