Welcome to the Levels Of The Spinal Cord And Its Main Functions MDCAT MCQs with Answers. In this post, we have shared Levels Of The Spinal Cord And Its Main Functions Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Biology offers a chance to enhance your knowledge regarding Levels Of The Spinal Cord And Its Main Functions MCQs in this MDCAT Online Test.
Which level of the spinal cord is primarily responsible for the sensation and movement in the upper limbs?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
Which spinal cord level is involved in controlling the muscles of the trunk and abdominal wall?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
At which level does the spinal cord give rise to the lumbar plexus, which innervates the lower limbs?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
Which level of the spinal cord is primarily responsible for the control of the pelvic organs and lower limbs?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
Which spinal cord level contributes to the brachial plexus, responsible for innervating the arms?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The thoracic spinal cord levels are associated with which of the following functions?
a) Arm and hand movements
b) Leg movements and pelvic control
c) Trunk stability and abdominal muscles
d) Facial expressions and chewing
Which spinal cord level is responsible for sensory and motor functions in the lower abdomen and thighs?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
Damage to which spinal cord level can result in paralysis of the lower limbs and loss of control over the bladder and bowel?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The cervical spinal cord levels are involved in controlling which of the following body parts?
a) Hands and feet
b) Trunk and legs
c) Arms and neck
d) Abdomen and pelvis
Which level of the spinal cord primarily innervates the chest and back muscles?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
Damage at which spinal cord level would affect the ability to move and feel sensations in the legs and feet?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The sacral spinal cord levels are responsible for controlling which of the following?
a) Arm movements
b) Chest muscles
c) Pelvic organs and lower limbs
d) Neck and shoulders
Which spinal cord segment is associated with the reflexes of the upper limbs and shoulder girdle?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The lumbar plexus is formed from which spinal cord levels?
a) C1-C4
b) T1-T12
c) L1-L4
d) S1-S4
The sacral plexus, which contributes to the sciatic nerve, originates from which spinal cord levels?
a) C1-C4
b) T1-T12
c) L1-L4
d) S1-S4
Which spinal cord levels are associated with the autonomic control of the digestive tract and pelvic organs?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
Damage to which spinal cord segment could affect the function of the diaphragm and respiratory muscles?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The sacral spinal cord levels are critical for controlling which aspects of bodily functions?
a) Upper limb movements
b) Lower limb movements and bowel and bladder control
c) Chest and back muscles
d) Neck and head movements
The thoracic spinal cord levels contribute to which of the following functions?
a) Coordination of the arms
b) Movement of the legs
c) Sensory and motor functions of the trunk
d) Control of the diaphragm
Which spinal cord level provides nerve supply to the pelvic floor and external genitalia?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The lumbar spinal cord levels are primarily responsible for the movement and sensation in which body parts?
a) Neck and arms
b) Chest and back
c) Thighs and lower abdomen
d) Hands and feet
Which level of the spinal cord is involved in the innervation of the back muscles and skin of the trunk?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
Damage to which spinal cord segment would result in loss of function in the upper limbs and trunk?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The lumbar plexus is responsible for which of the following functions?
a) Arm and shoulder movements
b) Leg and foot movements
c) Neck and head movements
d) Abdominal muscles
Which spinal cord level is associated with the regulation of respiratory movements through the phrenic nerve?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The sacral spinal cord levels contribute to which of the following functions?
a) Arm movements
b) Thigh movements
c) Pelvic organs and lower limb control
d) Upper trunk stability
Which spinal cord level is associated with the sensory and motor functions of the hands and forearms?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The thoracic spinal cord segments primarily control which region of the body?
a) Arms and shoulders
b) Legs and feet
c) Trunk and chest
d) Pelvis and abdomen
Damage at which spinal cord level would affect bladder and bowel functions as well as lower limb movements?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The cervical spinal cord levels are responsible for the motor and sensory functions of which body parts?
a) Neck and trunk
b) Arms and shoulders
c) Legs and pelvic organs
d) Feet and toes
Which spinal cord level controls the sympathetic nervous system functions and thoracic organs?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The lumbar spinal cord levels contribute to which of the following?
a) Control of upper limbs
b) Control of the diaphragm
c) Sensory and motor functions of the lower limbs
d) Regulation of sleep cycles
Damage to which spinal cord level could impair the ability to walk and control leg movements?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
Which spinal cord segment is involved in controlling the movements of the chest and abdomen?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The sacral spinal cord levels are crucial for controlling which bodily functions?
a) Arm and hand movements
b) Neck and head movements
c) Leg movements and pelvic organ functions
d) Respiratory movements
The cervical plexus, which contributes to the control of the neck and shoulders, originates from which spinal cord levels?
a) C1-C4
b) T1-T12
c) L1-L4
d) S1-S4
Which spinal cord level is involved in controlling the muscles of the back and trunk?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
Damage to which spinal cord segment would lead to loss of sensation and movement in the trunk and abdomen?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The lumbar spinal cord levels are essential for the function of which of the following?
a) Neck and shoulders
b) Arms and hands
c) Legs and pelvis
d) Chest and back
Which spinal cord segment is crucial for controlling the muscles of the lower limbs and pelvic floor?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The thoracic spinal cord segments primarily control which areas of the body?
a) Upper limbs
b) Lower limbs
c) Trunk and chest
d) Pelvic organs
Which level of the spinal cord is associated with the control of reflexes in the arms and hands?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
Damage to which spinal cord level would most likely result in loss of control over the bladder and bowel?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
Which spinal cord level contributes to the autonomic regulation of the upper abdominal organs?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
The sacral spinal cord levels are important for which of the following functions?
a) Arm and hand control
b) Trunk stability
c) Pelvic and lower limb control
d) Respiratory control
Which spinal cord segment is responsible for the sensory and motor functions of the legs and feet?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
Damage to which spinal cord level would affect the control of the chest and abdominal muscles?
a) Cervical
b) Thoracic
c) Lumbar
d) Sacral
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