Question

1. Which of the following is/are true of the multipolar neurons? (Choose all correct)

a) The neurons are primarily sensory in nature

b) The neurons are primarily motor in nature

c) They may be part of the CNS

d) They may be part of the PNS

2. The neurons of the lateral spinothalamic tract cross (decussate) at what level?

a) In the pyramids of the brain stem

b) At the level of the cord from which they originate

c) In the pons

d) I n the grey matter of the cord

3. Which brain structure functions primarily as a "relay center" for sensory information and is connected to all parts of the cerebral cortex?

a) Thalamus

b) Hypothalamus

c) Limbic System

d) Medulla Oblongata

4. Repolarization has which effect on the charge within a neuron?

a) Takes it away from the resting membrane potential

b) Takes it back toward the resting membrane potential

c) It has no effect on the membrane potential of a neuron

5. What does a dermatome consist of: (Choose two)

a) An area of the skin

b) The sensory portion of the spinal nerve

c) A group of muscles

d) The motor portion of the spinal nerve

Answer 1

1.The following statements is/are true of the multipolar neurons?

b) The neurons are primarily motor in nature

c) They may be part of the CNS

2. The neurons of the lateral spinothalamic tract cross (decussate)

b) At the level of the cord from which they originate

3. Which brain structure functions primarily as a "relay center" for sensory information and is connected to all parts of the cerebral cortex?

a. Thalamus

4. Repolarization has which effect on the charge within a neuron?

b) Takes it back toward the resting membrane potential

5. What does a dermatome consist of

a) An area of the skin

b) The sensory portion of the spinal nerve