topic 8 ppt notes

What is the role of a sensory (afferent) neuron in the nervous system?

• Transmits signals from the CNS to muscles

• Transmits signals from muscles to the CNS

• Transmits signals from receptors to the CNS

• Transmits signals from the CNS to receptors

What is the function of the neuromuscular junction?

• Connects two neurons

• Connects a neuron to a muscle fiber

• Connects two muscle fibers

• Connects a receptor to a neuron

What does "RR" refer to in the diagram?

• Receptor Region

• Ryanodine Receptor

• Release Region

• Resting Receptor

What does "VGNa+" stand for in the diagram?

• Voltage-Gated Sodium Channel

• Voltage-Gated Calcium Channel

• Voltage-Gated Potassium Channel

• Voltage-Gated Chloride Channel

What does "TT" represent in the diagram?

• Transverse Tubule

• Tension Tubule

• Transfer Tubule

• Transport Tubule

What process is indicated by the term "depolarization" in the diagram?

• Reduction in membrane potential

• Increase in membrane potential

• Stabilization of membrane potential

• No change in membrane potential

What does "ATP" convert into during the process shown in the diagram?

• ADP + Pi

• AMP + Pi

• ADP + ATP

• AMP + ATP

What is the role of ATP in the diagram?

• Provides energy for muscle contraction

• Transports sodium ions

• Acts as a neurotransmitter

• Blocks calcium channels

What does "VGNa+" indicate in the diagram?

• Voltage-gated sodium channel

• Voltage-gated calcium channel

• Voltage-gated potassium channel

• Voltage-gated chloride channel

Which structure in the diagram is responsible for spreading depolarization?

• Sarcoplasmic Reticulum

• Transverse Tubule

• Motor Neuron

• Synaptic Cleft