#1
Which part of the spinal cord is responsible for relaying sensory information to the brain?
Dorsal root
ExplanationSensory information relay point.
#2
Which structure protects the spinal cord within the vertebral column?
Spinal meninges
ExplanationProtective covering for the spinal cord.
#3
What is the name of the outermost layer of the spinal meninges?
Dura mater
ExplanationOuter protective layer of spinal meninges.
#4
Which spinal nerve innervates the muscles of the diaphragm?
Cervical nerve 1 (C1)
ExplanationInnervates the diaphragm muscles.
#5
Which structure connects the spinal cord to the brainstem?
Medulla oblongata
ExplanationConnects spinal cord to the brainstem.
#6
Which type of neuron carries sensory information from the periphery to the spinal cord?
Afferent neuron
ExplanationNeuron conveying sensory information to the spinal cord.
#7
Which of the following is not a function of the spinal cord?
Generation of cerebrospinal fluid
ExplanationNot involved in CSF production.
#8
Which part of the spinal cord contains cell bodies of motor neurons?
Anterior horn
ExplanationLocation of motor neuron cell bodies.
#9
Which region of the spinal cord exhibits enlargement due to the presence of motor neurons for the upper limbs?
Cervical enlargement
ExplanationEnlarged region for upper limb motor neurons.
#10
What is the term for the space filled with cerebrospinal fluid around the spinal cord?
Subarachnoid space
ExplanationSpace surrounding the spinal cord filled with CSF.
#11
Which spinal nerve innervates the muscles of the quadriceps femoris group?
Femoral nerve
ExplanationInnervates quadriceps femoris muscles.
#12
What is the name of the structure where spinal nerves branch out from the spinal cord?
Root
ExplanationPoint of spinal nerve branching from spinal cord.
#13
What is the main function of the spinal nerves?
To provide sensory and motor innervation to the limbs and trunk
ExplanationProvide sensory and motor control to limbs and trunk.
#14
Which spinal nerve carries sympathetic innervation to the thoracic and abdominal viscera?
Thoracic nerve 10 (T10)
ExplanationSupplies sympathetic innervation to thoracic and abdominal organs.
#15
Which spinal nerve innervates the muscles of the gastrocnemius and soleus?
Tibial nerve
ExplanationInnervates gastrocnemius and soleus muscles.
#16
Which spinal nerve innervates the muscles of the triceps brachii and anconeus?
Radial nerve
ExplanationInnervates triceps brachii and anconeus muscles.
#17
Which spinal nerve innervates the muscles of the tibialis anterior and extensor hallucis longus?
Deep fibular nerve
ExplanationInnervates tibialis anterior and extensor hallucis longus muscles.