Related Questions

Carotid sheath
A Is attached superiorly to the base of the skull
B Fuse with the perichondrium inferiorly
C Encloses jugular vein and vagus nerve
D Lies deep to the prevertebral fascia
E Encloses external carotid artery
Internal carotid artery
A Enters the skull through the foramen lacerum
B Divides into the anterior and middle cerebral arteries
C Gives of the ophthalmic artery
D Is accompanied within the skull by preganglionic sympathetic nerve fibres
E Usually beings at the level of fourth cervical vertebra
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
The schwann cell forms a myelin sheath around the
A nodes of Ranvier
B dendrites
C nucleus
D axon
In a cable immediately above metallic sheath ________ is provided.
A Earthing connection
B Bedding
C Armouring
D None of the above
The cause of damage to the lead sheath of a cable is
A crystallisation of the lead through vibration
B chemical action on the lead when buried in the earth
C mechanical damage
D all of the above
The metallic sheath may be made of lead or lead alloy or of aluminum.
A Yes
B No
When a bare thermocouple is covered by a protective sheath, the response becomes
A Faster and oscillatory
B Faster and non-oscillatory
C Slower and oscillatory
D Slower and non-oscillatory

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