BIO201 Nervous system TOS

What is the correct order of structures in a reflex arc?

• Interneuron, sensory neuron, motor neuron,

• Motor neuron, sensory neuron, interneuron

• Sensory neuron, interneuron, motor neuron

• Sensory neuron, motor neuron, interneuron

T/F: Stretch reflexes and flexor/withdrawal reflexes both use reciprocal inhibition.

• True

• False

The _____ nervous system will cause dilation of bronchi in the lungs.

• Somatic

• Parasympathetic

• Sympathetic

• Autonomic

The adrenal medulla:

• Is a modified postganglionic neuron

• Is not controlled by the parasympathetic nervous system

• Releases epinephrine and norepinephrine

• All responses are true

B2 adrenergic receptors will cause:

• increased heart rate

• dilation of bronchi

• decreased heart rate

• constriction of bronchi

All of the following cranial nerves are related to motor control of swallowing Except:

• CN IX- Glossopharyngeal

• CN XII- Hypoglossal

• CN X- Vagus

• CN VII- Facial

All of the following are mechanoreceptors Except:

• barroreceptors

• thermoreceptors

• proprioceptors

• tactile receptors

Axons from the spinothalamic tract from from the ___ to the ___.

• spine; hypothalamus

• spine; thalamus

• brain; spine

• frontal lobe; spine

Breakdown of the substantia nigra leads to:

• Parkinson's

• Multiple sclerosis

• Glaucoma

• Astigmatism

What is found in the deepest layer (neural layer) of the eye?

• sclera

• choroid

• ciliary body

• retina