Spinal Cord and Reflexes: Interactive Learning Quizzes for Sport Science

Question 1

Which of the following is NOT a characteristic of spinal reflexes?

Accepted Answer

Can be consciously controlled

Answer

Rapid and predictable response

Answer

Involve a small number of neurons

Answer

Contribute to balance and body regulation

Question 2

Which neuron type in a spinal reflex arc carries sensory information to the spinal cord?

Accepted Answer

Sensory neuron

Answer

Alpha motor neuron

Answer

Gamma motor neuron

Answer

Interneuron

Question 3

Which of the following is a key function of the spinal cord?

Accepted Answer

Transmitting sensory and motor information between the brain and the rest of the body

Answer

Storing memories

Answer

Producing hormones

Question 4

Which region of the spinal cord contains the cell bodies of motor neurons?

Accepted Answer

Gray matter

Answer

Pia mater

Answer

Arachnoid mater

Answer

White matter

Question 5

What neurotransmitter is primarily responsible for muscle contraction at the neuromuscular junction?

Accepted Answer

Acetylcholine

Answer

Norepinephrine

Answer

Serotonin

Answer

Dopamine

Question 6

Which of the following reflexes is an example of a monosynaptic reflex?

Accepted Answer

Patellar (knee-jerk) reflex

Answer

Flexor withdrawal reflex

Answer

Crossed extensor reflex

Answer

Vestibulo-ocular reflex

Question 7

What is the primary function of the Golgi tendon organ in spinal reflexes?

Accepted Answer

Detecting muscle tension and preventing overstretching

Answer

Initiating muscle contraction

Answer

Transmitting sensory information directly to the brain

Question 8

How does the spinal cord contribute to balance and coordination?

Accepted Answer

Processing sensory information from proprioceptors

Answer

Controlling the heart rate

Answer

Releasing hormones that regulate muscle tone

Question 9

Which of the following is a potential consequence of damage to the spinal cord?

Accepted Answer

Paralysis

Answer

Heart disease

Answer

Cancer

Answer

Diabetes

Question 10

How can spinal reflexes be used in clinical practice?

Accepted Answer

Observing the response to specific stimuli to assess neurological function

Answer

Performing a physical examination

Answer

Injecting dyes into the spinal cord

Answer

Measuring the electrical activity of the spinal cord

Question 11

Which of the listed structures is NOT a region of the spinal cord?

Accepted Answer

Hindbrain

Answer

Lumbar

Answer

Cervical

Answer

Thoracic

Question 12

Which type of neuron transmits sensory information to the spinal cord?

Accepted Answer

Afferent neuron

Answer

Efferent neuron

Answer

Interneuron

Question 13

Which of the following is an example of a monosynaptic reflex?

Accepted Answer

Stretch reflex

Answer

Withdrawal reflex

Answer

Crossed extensor reflex

Answer

Golgi tendon organ reflex

Question 14

What is the primary function of interneurons in spinal reflexes?

Accepted Answer

Relay information between sensory and motor neurons

Answer

Control the amount of force produced by muscles

Answer

Inhibit opposing muscle groups

Question 15

What is the main purpose of the myelin sheath that surrounds some axons in the spinal cord?

Accepted Answer

Increases the speed of nerve impulse conduction

Answer

Provides insulation and protection

Answer

Facilitates the formation of synapses

Answer

Regulates the release of neurotransmitters

Question 16

Which of these structures provides a protective covering for the spinal cord?

Accepted Answer

Meninges

Answer

Neuroglia

Answer

Myelin sheath

Answer

Ependymal layer

Question 17

What is the main function of the white matter in the spinal cord?

Accepted Answer

Contains ascending and descending tracts of myelinated axons

Answer

Produces cerebrospinal fluid

Answer

Contains cell bodies of neurons

Question 18

Which of the following is NOT a primary function of the spinal cord?

Accepted Answer

Sensory processing

Answer

Reflex arc coordination

Answer

Motor control

Answer

Neural integration

Question 19

How many distinct regions is the human spinal cord divided into?

Accepted Answer

5

Answer

2

Answer

6

Answer

8

Question 20

Which of the following reflexes is NOT considered a spinal reflex?

Accepted Answer

Pupillary reflex

Answer

Achilles reflex

Answer

Patellar reflex

Answer

Withdrawal reflex

Question 21

What is the term for the pathway involved in a spinal reflex?

Accepted Answer

Reflex arc

Answer

Afferent pathway

Answer

Efferent pathway

Answer

Central pathway

Question 22

Which of the following factors can have a significant impact on the speed of a reflex response?

Accepted Answer

Temperature

Answer

Handedness

Answer

Eye color

Answer

Gender

Question 23

The stretch reflex, often tested by tapping the patellar tendon, is an example of what type of reflex?

Accepted Answer

Monosynaptic reflex

Answer

Conditioned reflex

Answer

Polysynaptic reflex

Answer

Inhibitory reflex

Question 24

What is the primary role of the interneuron in a reflex arc?

Accepted Answer

Transmits signals from sensory neurons to motor neurons

Answer

Detects sensory stimuli

Answer

Generates the motor response

Answer

Initiates the reflex arc

Question 25

Spinal cord injuries can lead to a condition affecting the lower limbs called:

Accepted Answer

Paraplegia

Answer

Hemiplegia

Answer

Dysarthria

Answer

Ataxia

Question 26

Which of the following tools is commonly used to assess the integrity of spinal reflexes?

Accepted Answer

Percussion hammer

Answer

Magnetic resonance imaging

Answer

Electroencephalography

Answer

X-ray

Question 27

The spinal cord plays a crucial role in mediating:

Accepted Answer

Both involuntary and voluntary movements

Answer

Voluntary movements only

Answer

Neither involuntary nor voluntary movements

Answer

Involuntary movements only