Dennis has lost the ability to voluntarily raise his left arm due to damage to his spinal cord and associated nerves. Which of the following is a possible explanation for Dennis's symptom?Multiple ChoiceOne or more ventral roots in the cervical region of the spinal cord have been damaged.One or more dorsal roots in the cervical region of the spinal cord have been damaged.One or more ventral roots in the thoracic region of the spinal cord have been damaged.One or more dorsal roots in the thoracic region of the spinal cord have been damaged.

Which of the following would explain the loss of certain sensations from the skin of the posterior region of the upper limb?Multiple ChoiceOne or more ventral roots in the cervical region of the spinal cord have been damaged.One or more dorsal roots in the cervical region of the spinal cord have been damaged.One or more ventral roots in the thoracic region of the spinal cord have been damaged.One or more dorsal roots in the thoracic region of the spinal cord have been damaged.

A man in a car accident cannot feel his left leg but is able to contract the muscles there. Which component of the relevant spinal nerves or spinal cord region has been damaged?Multiple ChoiceDorsal rootVentral rootVentral hornLateral horn

A man was in an accident during which his spinal cord was severed between C6 and C7. Which of the following would NOT be a consequence of this injury?Multiple ChoiceLoss of sensation in the trunk below the shoulders, the lower limbs, and portions of the armsLoss of use of the phrenic nerves and paralysis of the diaphragmLoss of movement in the lower limbsLoss of the use of the intercostals nerves, and breathing would be affected because the intercostals muscles would be paralyzedLoss of touch sensation on the lower lumbar region.

While moving a large box in his garage, Carl hurt his back. Within hours, the pain in his back was radiating down the medial side of his left thigh and knee. It was especially difficult for Carl to flex his left hip and extend his left knee. He could not stand the pain, so he went to the emergency room.  Radiographs and an MRI revealed a bulging intervertebral disk.Using a dermatome map, indicate which spinal nerve was most likely affected?Multiple ChoiceC1C2C3C4C5C6C7C8T1T2T3T4T5T6T7T8T9T10T11T12L1L2L3L4L5CoS1S2S3S4S5 PrevQuestion 16 of 20 Total16 of 20Visit question map

Damage to the T11 and T12 spinal nerves could result in loss of movement in the _________blank and _________blank but would not affect the movement of the _________blank.Multiple Choicediaphragm; lower limbs; hipsupper limbs; intercostals muscles; diaphragmshoulders; neck; lower limbslower limbs; hips; upper limbs