Final Exam A&P

the____ division tends to prepare the body for action

• sensory afferent

• motor afferent

• somatic motor

• parasympathetic

• sympathetic

some___ neurons are specialized to detect stimuli, whereas___ neurons send signals to the effectors of the nervous system.

• efferent; afferent

• afferent; efferent

• motor; sensory

• efferent; inter-

• afferent; inter-

where are axons surrounded by schwann cells found?

• in the PNS

• in the CNS

• in the PNS and CNS

• nowhere, axons are never surrounded by schwann cells

• in the CNS, but only during early development

what type of neutral circuit is shown here?

• converging

• post-tetanic

• diverging

• reverberating

• parallel after-discharge

where do most local potentials form in a neuron?

• the dendrites

• the cell bodies

• the axon hillock

• the trigger zone

• the schwann cells

what is the most common inhibitory neurotransmitter in the brain?

• y-Aminobutyric acid (GABA)

• noradrenaline

• epinephrine

• acetylcholine

• norepinephrine

about 90% of the neurons in the nervous system are___ neurons

• sensory

• motor

• afferent

• efferent

• inter-

while both systems maintain homeostasis, how does the nervous system differ from the endocrine system?

• the nervous system releases neurotransmitters between cells, while the endocrine system releases hormones into the blood

• the nervous system releases neurotransmitters into the blood, while the endocrine system releases hormones into the blood

• the nervous system releases hormones between cells, while the endocrine system releases neurotransmitters into the blood

• the nervous system releases hormones into the blood, while the endocrine system releases neurotransmitters between cells

• both systems release hormones between cells, but only the nervous system releases neurotransmitters into the blood

the___ division carries signals to the smooth muscle in the large intestine

• visceral sensory

• somatic sensory

• visceral motor

• somatic motor

• afferent

which glial cell is found wrapped around axons in the PNS

• oligodendrocytes

• schwann cells

• satellite cells

• nodes of ranvier

• ependymal cells