Nervous system

What is a synapse?

• Cells that produce the myelin sheath around the neuron axons

• The junction of a neuron with another neuron or muscle

• They convey incoming messages toward the cell body

• They transmit information to different neurons, muscles, and glands

Which of the following is a somatic reflex?

• Pulling your hand from a hot stove (withdrawal reflex)

• Secretion of salivia

• Change in the pupil size

• Change in blood pressure

What makes up the Central Nervous System (CNS)?

• Spinal and cranial nerves

• Brain, spinal cord and all the nerves

• Spinal cord and the nerves

• Brain and spinal cord

What is a reflex?

• Slow, unpredictable response voluntary response to a stimuli

• Rapid, predictable and involuntary response to a stimuli

• a slow, unpredictable and involuntary response to a stimuli

• rapid, predictable and voluntary response to a stimuli

Which division of the nervous system is known as the resting & digesting system?

• CNS

• Somatic

• Sympathetic

• Parasympathetic

Which of the following is the Sympathetic Division of the PNS known as?

• Resting & DIgesting

• Fight or Flight

• Fight or resting

• Flight or digesting

How is information carried from the CNS to a muscle or gland?

• Sensory neurons

• Dendrites

• Motor neurons

• Central neurons

What ion rushes into the neuron during an action potential?

• Potassium

• Calcium

• Oxygen

• Sodium

What type of neuron is the impulse conducted faster in?

• Unmyelinated

• Myelinated

• Short

• Long

What makes up the PNS?

• Brain & spinal cord

• Spinal & cranial nerves

• Brain and cranial nerves

• Spinal cord and spinal nerves