35.    What is the main structural difference between the spinal cord & medulla oblongata? a.    the spinal cord has white matter tracts while the medulla does not b.    the medulla has gray matter nuclei while the spinal cord does notc.    the spinal cord has a distinctive butterfly gray matter region but the medulla does not d.    decussation or “crossing over” only occurs in the spinal cord and not the medullae.    spinal nerves are part of the PNS but cranial nerves are part of the CNS     

18.    The ventral gray matter horns of the spinal cord contain? a.    somatic sensory (SS) and visceral sensory (VS) white matter nucleib.    somatic motor (SM) and visceral motor  (VM) gray matter nucleic.    white matter nerve tracts, columns & pathwaysd.    white matter ventral rami branches of white matter spinal nervese.   dorsal gray matter sensory processing centers  

33.    What area of the brain coordinates & controls subconscious learned movement patterns, fine muscle movement, posture and balance? a.    the corpus callosumb.    the basal nucleusc.    the cerebellumd.    the cerebral cortexe.    the hypothalamus 

29.    Name the innermost meninges layer that is highly vascular, and adheres to the surface contour of the brain, extending into every fold and curve? a.    neural cortexb.    epiduralc.    pia materd.    arachnoide.    dura mater  

4.    The reflex contraction of flexor muscles and the simultaneous relaxation of extensor muscles is a? a.    monosynaptic synaptic reflexb.    polysynaptic reflexc.    reciprocal inhibitiond.   reverberating circuite.   ipsilateral reflex

38.    If an injury or blow to the head results in damage to the pyramidal cells of the motor homunculus of the cerebral cortex, symptoms would likely include? a.    loss of feeling or numbness in the hands and legs due to a damaged sensory cortexb.    weakness and/or paralysis of skeletal muscle based on where the injury is pinpointedc.    inability to involuntarily breathe due to a damaged phrenic nerve off C3 to the diaphragm d.    loss of consciousness due to damage of the hypothalamus and limbic systeme.    the inability to see and know what one is seeing  

16.      The correct order of structures involving the spinal cord from innermost to outermost, is? a.    vertebral canal, epidural space, dura mater, subdural space, arachnoid, subarachnoid space, pia mater, spinal cordb.    spinal cord, pia mater, arachnoid, subarachnoid space, epidural space, dura mater, sub dural space, vertebral canalc.    spinal cord, pia mater, subarachnoid space, arachnoid, epidural space, dura mater, sub dural space, vertebral canald.    spinal cord, pia mater, arachnoid, subarachnoid space, sub dural space, dura mater, epidural space, vertebral canal e.    spinal cord, pia mater, sub arachnoid space, arachnoid, sub dural space, dura mater, epidural space, vertebral canal 

26.     Which association below, regarding spinal nerve plexuses, is FALSE? a.    Cervical plexus ~ C1-C5, neck muscles, phrenic nerve at C-3, diaphragm innervationb.    Brachial plexus ~ C5-T1, upper limbs, radial nerve, median nerve, ulnar nervec.    Lumbar plexus ~ T12//L1-L4, pelvic area,  lower limbs, femoral nerve d.    Sacral plexus ~ L4-S4, pubic area, lower limbs, sciatic nerve, lumbrosacral jointe.    Lumbo-sacral plexus ~ L5-S1, contains the lumbar & sacral plexus and is a common site for lower back pain as we age  

32.    Name the final relay point for ascending “sensory” information that is projected higher up to the primary sensory cortex? a.    spinal cordb.    medulla oblongatac.    motor homonculusd.    thalamus in the diencephalone.    brain stem  

7.    Name the meninge covering the spinal cord, that forms the innermost boundary of the subarachnoid space? a.    dural foldb.    arachnoidc.    dura materd.    pia matere.    denticulate ligament