Lecture 31: REVIEW!

Question 1

Afferent =

Answer 1

• IN flow

Question 2

Efferent =

Answer 2

• OUT flow

Question 3

Cells of the nervous system:

Answer 3

• Glia

- Neurons

Question 4

Basic properties of Neurons:

Answer 4

• Input, Conduction, Output Zone
• Synapse
• Electrical —> Chemical —> Electrical
• Axon Hillock

Question 5

Glia (CNS) include:

Answer 5

• Astrocytes
• Microglia
• Ependymal Cells
• Oligodendrocytes

Question 6

Glia (PNS) include:

Answer 6

• Schwann Cells

Question 7

Spinal Cord also has:

Answer 7

• Grey Matter

- White Matter

Question 8

Cranium includes:

Answer 8

• Skull
• Meninges
• Facial skeleton

Question 9

The brain is actually hollow so also has a…

Answer 9

• Ventricular system

Question 10

Three different types of white matter:

Answer 10

• Corticospinal Tract

- Etc.

Question 11

The structure of the skeletal muscle:

Answer 11

• The motor unit, neuromuscular junction

Question 12

The motor unit:

Answer 12

• A motor neuron and all the muscle fibres it innervates

Question 13

Neuromuscular Junction occurs using what kind of coupling?

Answer 13

• Electro - Chemical - Electro

Question 14

Mechanisms of Contraction of Skeletal Muscle

Answer 14

• Excitation
• Contraction
• Relaxation

Question 15

Energy Sources for Contraction:

Answer 15

• Creatine-Phosphate

- Anaerobic vs. aerobic

Question 16

Skeletal muscle fibre types:

Answer 16

• Slow/Red
• Fast/White
• Exercise & Fatigue

Question 17

Skeletal, Cardiac and Smooth muscle:

Answer 17

• Structural & functional differences; why do we need them?

Question 18

Pre motor cortex and planning and role of basal ganglia. Circuitry that allows this to happen. Role of interneurons in spinal reflexes. Voluntary skeletal muscle control system. Reflex arcs. Can engage autonomic system.

Answer 18

???? Go over lecture slides