Anatomy Exam

The nervous system is primarily made up of

Neuroglia

Which of the following is used to classify a neuron?

number of processes from cell body

If these cells were very active, it would likely indicate an infection in the CNS

Microglia

When you intentionally tighten your abdominal muscles, which divisions of the nervous system are being used?

motor; Somatic

Neuroglia that maintain cerebrospinal fluid are called

Ependymal cells

The sensory division of the peripheral nervous system is also known as the ___________ division.

afferent

Which part of the nervous system can help calm someone down after an emergency has occurred?

parasympathetic division

When an impulse passes through a neuron, what is the correct order for transmission of the impulse?

dendrites, cell body, axon (DCA)

____________ wrap around the axon of a neuron to create the __________________.

schwann cells, myelin sheath

During the transmission of an action potential across a _________, Ca

2+ channels open triggering the synaptic vesicles to release _______ to pass the signal to the postsynaptic neuron.

synapse, neurotransmitters

Which describes a cell's resting potential?

cell is negatively charged, environment positively charged

What is the order of the layers of meninges, starting against the skull and moving toward the brain?

dura mater, arachnoid,pia mater

Which is not true about the cerebral cortex?

made of myelinated axons

Which lobe of the brain controls reasoning, decision making & planning?

frontal

Which lobe of the brain controls visual processing?

occipital

Which structures are found in the diencephalon?

ABD, (thalamus, hypothalamus, pineal gland)

Which portion of the brain is responsible for involuntary activities such as posture, breathing, and heart rate?

brain stem

You’ve been practicing your jump shot for basketball every day. When you get into a game, which section of your brain allows you to use these motions easily and without thought?

cerebellum

Which of the following receptor types is incorrectly matched with item it detects?

mechanoreceptors;pain

Which of the following touch receptors would detect deep pressure against the skin?

pacinian corpuscles

In the lacrimal apparatus, tears are produced in the lacrimal gland, then travel across the ________________ towards the ___________ commissure before emptying into the nasolacrimal duct.

conjunctiva, medial

Which of these parts of the eye does not have the job of regulating or focusing light as it comes into the eye?

sclera

What is the point on the retina where the sharpest image can be detected?

fovea centralis

Which of the following helps you see in low light?

Rods, pupil wide open

If you were looking at an individual eyeball during a dissection and it was flat, what likely happened?

the vitreous humor flowed out

Which of the following is not true about taste buds?

taste buds and papillae are the same thing

Which is the correct order in which sound waves flow through the ear?

auricle, auditory canal, tympanic membrane, ossicles, cochlea

Which of the following is incorrectly matched?

Gustatory Cell ---> Touch