What test tests for Color-blindness?
The Ishihara test tests for color-blindness.
How many rectus eye muscles and oblique eye muscles are there and what are they?
There are 4 rectus eye muscles.
Superior Rectus, Inferior Rectus, Lateral Rectus, Medial Rectus
There are 2 oblique eye muscles.
Superior Oblique & Inferior Oblique
Which nerve innervates entire lower limb? and is also the longest nerve?
Sciatic nerve
What is a collection of nerve roots at inferior ends of vertabrae?
Cauda equina
What is the Snellen test and what does it test for?
The Snellen Test tests for Visual Acuity.
In what order does light stimulates the retina?
Rodes, Cones, Bipolar cells, Ganglion cells
What contains soma of sensory neurons?
What contains axon of sensory neurons?
Dorsal root ganglion contains soma.
Dorsal roots contain axons.
Why do we have nerve plexuses?
They're interlacing nerve networks formed by all ventral rami excluding T2-T12
What are coned shaped inferior ends of spinal cords?
Conus medullaris
What is Conduction deafness? and what test tests for it?
Conduction deafness is prevention of sound waves from reaching fluids of inner ear (perforated eardrum, earwax, inflammation etc.)
The Rinne test is used to test Conduction deafness.
What contains somas of somatic motor neurons?
What are nerves going up to and coming down from the brain?
Ventral horn contains somas
Funiculi (Dorsal, Lateral, Ventral)
Which nerve innervates quads?
Femoral nerve
How many spinal nerves are there?
31 pairs of spinal nerves
What is Sensorineural deafness? and what test tests for it?
Sensorineural deafness is damage to neural structures (damage to hair cells or neurons).
The Weber test is used to test for Sensorineural deafness.
What contains interneurons and receives somatic & visceral sensory input?
What is found only in Thoracic and Lumbar vertebrae, and also contains somas of autonomic motor neurons?
Dorsal horns contain interneurons and receive somatic & visceral sensory input.
Lateral horns are found in only Thoracic & Lumbar vertebrae and contain somas of autonomic motor neurons.
What does the obturator nerve do?
Innervates abductor muscles
What extends inferiorly from spinal cord to coccyx and anchors spinal cord?
Filum terminale
What is the Astigmatism test?
This tests for Astigmatism.
What contains axons of motor neurons?
What contains sensory and motor neurons?
Ventral roots contain axons of motor neurons.
Spinal nerves contain sensory and motor neurons.
Which nerve innervates diaphragm?
Phrenic nerve
Order of meninges and spaces from superficial to deep.
Dura mater, Subdural space, Arachnoid mater, Subarachnoid space, Pia mater,