Chapter 17 Quiz 1

Which of the following correctly describes an axon?

• the junction between two neurones

• the part of a neurone that contains the nucleus

• transmitting nerve impulses towards the cell body

• transmitting nerve impulses away from the cell body

Which of the following correctly describes a cell body?

• the junction between two neurones

• the part of a neurone that contains the nucleus

• transmitting nerve impulses towards the cell body

• transmitting nerve impulses away from the cell body

Which of the following correctly describes a synapse?

• the junction between two neurones

• the part of a neurone that contains the nucleus

• transmitting nerve impulses towards the cell body

• transmitting nerve impulses away from the cell body

Which of the following correctly describes myelin sheath?

• the junction between two neurones

• the part of a neurone that contains the nucleus

• insulating and protecting the nerve fibres

• composed of cranial nerves and spinal nerves

Which of the following correctly describes the central nervous system?

• the junction between two neurones

• the part of a neurone that contains the nucleus

• composed of cranial nerves and spinal nerves

• composed of the brain and the spinal cord

Sensory neurones transmit nerve impulses from (a) _________________ to (b) __________________ .

• (a) the CNS；(b) receptors

• (a) the CNS；(b) effectors

• (a) receptors；(b) the CNS

• (a) effectors；(b) the CNS

A sensory neurone usually has a (c) __________________ dendron and a (d) __________________ axon.

• (c) long；(d) short

• (c) short；(d) long

Motor neurones transmit nerve impulses from (e) __________________ to (f) __________________ .

• (e) the CNS；(f) receptors

• (e) the CNS；(f) effectors

• (e) receptors；(f) the CNS

• (e) effectors；(f) the CNS

A motor neurone usually has a number of (g) __________________ dendrons and a (h) __________________ axon.

• (g) long；(h) short

• (g) short；(h) long

Interneurones transmit nerve impulses within (i) __________________ . Their dendrons and axons are (j) __________________ .

• (i) effectors；(j) long

• (i) effectors；(j) short

• (i) the CNS；(j) long

• (i) the CNS；(j) short