Question

muscles that move the eyeball:

1. levator and depressor labii
2. levator and depressor labii
3. masseter, temporalis
4. orbicularis oculi, orbicularis oris
5. superior and inferior obliques

The central nervous system:

1. excludes the cranial and spinal nerves, ganglia and sensory receptors.
2. is the source of thoughts and emotions.
3. is the destination of action potentials from motor neurons.
4. A and B are correct.
5. A, B and C are correct.

Which neuroglia cells produce myelin?

1. oligodendrocytes
2. Schwann cells
3. satellite cells
4. A and B are correct.
5. A, B and C are correct.

Answer 1

1.

muscles that move the eyeball are superior and inferior obliques.

Answer - superior and inferior obliques

There are a total of 6 muscles needed to move our eyeball

1. Superior obliques
2. Inferior obliques
3. superior rectus
4. Inferior rectus
5. Medial rectus
6. Lateral rectus

2.

The central nervous system is the source of thoughts and emotions and it excludes the cranial and spinal nerves, ganglia, and sensory receptors.

Answer - d. A and B are correct.

cranial and spinal nerves, ganglia, and sensory receptors are part of the Peripheral nervous system(PNS).

Thoughts and emotions drivers from the brain which is part of the Central nervous system.

3.

oligodendrocytes, Schwann cells, and satellite cells are neuroglia cells that produce myelin.

Answer - e. A, B and C are correct.

an oligodendrocyte is a neuroglia of Central nervous system (CNS)

Schwann cells and satellite cells are the neuroglia of the Peripheral nervous system (PNS)

Neuroglia is the nonneural cells of the Nervous system that does not produce impulses but they support, protect and noursh nurons.