Neuron Anatomy and the PNS Quiz #1

Which letter is pointing at the structure that insulates the axon, which increases the speed of nerve impulses?  

• a

• b

• c

• d

• e

This structure sends nerve impulses away from the soma.   

• a

• b

• c

• d

• e

Mr. Biro, or the Old Guy with Lichen, has been to almost 200 concerts in his lifetime (this is his only major accomplishment, which is not an accomplishment). When he was not in the mosh pit, chances were, he was headbanging. Like, Level 23 headbanging. Which of the following cranial nerves allows Mr. Biro to headbang?

• Vagus nerve (CN #10)

• Glossopharyngeal (CN #9)

• Hypoglossal nerve (CN #12)

• Accessory Nerve (CN #11)

• Facial Nerve (CN #7)

Tyrion Lannister is the person in the picture, and he is at the doctors. Which cranial nerve is Tyrion's doctor testing for?

• Vagus nerve (CN #10)

• Glossopharyngeal (CN #9)

• Hypoglossal nerve (CN #12)

• Accessory Nerve (CN #11)

• Facial Nerve (CN #7)

The person to the left is suffering from Bell’s Palsy. Which cranial nerve is most likely affected?

• Optic nerve (II)

• Trigeminal nerve (V)

• Facial nerve (VII)

• Vagus nerve (X)

• Accessory nerve (XI)

Which cranial nerve is primarily responsible for what the individual in the picture is doing?  

• Facial (VII)

• Vestibulocochlear (VIII)

• Glossopharyngeal (IX)

• Vagus (X)

• Accessory (XI)

The cranial nerve primarily involved in this act comprises

• motor neurons

• sensory neurons

• motor and sensory neurons

A researcher is studying hormones' effects on heart rate (norepinephrine and acetylcholine). She recorded the heart rates of the mice before they were injected with the hormones. She then injects 50 mice with norepinephrine and 50 mice with acetylcholine and records their heart rates 10 minutes after the injection. Below are the average heart rates from the experiment. According to the data, acetylcholine appears to stimulate the

• somatic nervous system.

• sympathetic nervous system.

• parasympathetic nervous system.

• central nervous system.

Tags

NGSS.HS-LS1-3

The picture is of a cross-section of the retina of the eye. The retina contains all of the neurons that collect light and sends it to the brain. What type of neurons are the purple cells?

• Unipolar neurons

• bipolar neurons

• multipolar neurons

• motor neurons

• association neurons

What are the neurons in the following order: red, green, blue.  (The candle flame is hot and ouchy.) 

• sensory, association, motor

• association, sensory, motor

• sensory, motor, association

• motor, association, sensory