Multiple Choice
Which lobe of the brain controls reasoning, decision making & planning?
a. Parietal c. Occipital
b. Frontal d. Temporal
b. Frontal
Which lobe of the brain controls visual processing?
a. Parietal c. Occipital
b. Frontal d. Temporal
c. Occipital
The sensory division of the peripheral nervous system is also known as the ___________ division.
a. Afferent b. Efferent
a. Afferent
The nervous system is primarily made up of
a. Neurons c. Myelin
b. Gray matter d. Neuroglia
d. Neuroglia
Why is touch not considered to be a “special sense”?
It's not localized!
Which is not true about the cerebral cortex?
a. made of gray matter c. made of cell bodies and dendrites
b. made of myelinated axons d. controls conscious activities
b. made of myelinated axons
Which structures are found in the diencephalon?
a. thalamus d. pineal gland
b. hypothalamus e. A, B, and C
c. cerebellum f. A, B, and D
f. A, B, and D
Which of the following is used to classify a neuron?
a. size of the cell body c. location of nodes of Ranvier
b. number of processes from cell body d. length of the axon
b. number of processes from cell body
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?
a. cerebrum c. brain stem
b. cerebellum d. spinal cord
b. cerebellum
People often say they have a “blind spot” while driving. How is this like the blind spot in your eye? Why don’t you notice the blind spot in your eye?
There's a blind spot where the optic nerve connects. Our brain fills in the missing spot/s.
Which portion of the brain is responsible for involuntary activities such as posture, breathing, and heart rate?
a. cerebrum c. brain stem
b. cerebellum d. spinal cord
c. brain stem
Which describes a cell's resting potential?
a. Charged ions rush into the cell and reverse charges inside and outside of the cell
b. The cell does not have a charge at all
c. Cell is negatively charged, environment is positively charged
d. Cell is positively charged, environment is negatively charged
c. Cell is negatively charged, environment is positively charged
If these cells were very active, it would likely indicate an infection in the CNS
a. Oligodendrocytes c. Microglia
b. Satellite Cells d. Ependymal
c. Microglia
Which part of the nervous system can help calm someone down after an emergency has occurred?
a. Afferent division c. Somatic division
b. Sympathetic division d. Parasympathetic division
d. Parasympathetic division
Explain how a threshold is important in the conduction of an action potential.
It's either all or nothing. If threshold isn't met, the signal doesn't get sent.
Which of the following receptor types is incorrectly matched with item it detects?
a. Mechanoreceptors; pain c. Photoreceptors; light
b. Thermoreceptors; temperature d. Chemoreceptors; chemicals
a. Mechanoreceptors; pain
Neuroglia that maintain cerebrospinal fluid are called
a. Ependymal cells c. Astrocytes
b. Schwann cells d. Oligodendrocytes
a. Ependymal cells
What is the order of the layers of meninges, starting against the skull and moving toward the brain?
a. arachnoid, dura mater, pia mater c. dura mater, arachnoid, pia mater
b. pia mater, arachnoid, dura mater d. dura mater, pia mater, arachnoid
c. dura mater, arachnoid, pia mater
____________ wrap around the axon of a neuron to create the __________________.
a. Schwann cells, myelin sheath c. Astrocytes, capillaries
b. Microglia, immune response d. Ependymal cells, cerebrospinal fluid
a. Schwann cells, myelin sheath
Give an example of a sensory input that causes a motor response. Describe the 5 parts of the reflex arc involved in this process.
When an impulse passes through a neuron, what is the correct order for transmission of the impulse?
a. axon, cell body, dendrites c. cell body, dendrites, axon
b. cell body, axon, dendrites d. dendrites, cell body, axon
d. dendrites, cell body, axon
Which of the following touch receptors would detect deep pressure against the skin?
a. Merkel’s disks c. Hair follicle receptors
b. Meissner’s corpuscles d. Pacinian corpuscles
d. Pacinian corpuscles
When you intentionally tighten your abdominal muscles, which divisions of the nervous system are being used?
a. Sensory; Somatic c. Motor; Autonomic
b. Sensory; Autonomic d. Motor; Somatic
d. Motor; Somatic
During the transmission of an action potential across a _________, Ca2+ channels open triggering the synaptic vesicles to release _______ to pass the signal to the postsynaptic neuron.
a. cell body, Na2+ c. cell body, action potentials
b. synapse, receptors d. synapse, neurotransmitters
d. synapse, neurotransmitters
Write a function of each of the 4 lobes of the brain.
The frontal lobe controls:
•Voluntary movements (walking)
•Reasoning & decision-making
The parietal lobe controls:
•Sensations (pain, temperature, touch)
The Occipital lobe controls:
•Visual processing- vision & memory of objects
The Temporal lobes control:
•Memory
•Comprehension & pronunciation of words