Question: Neurons in the CNS are organized into functional groups.
Answer Options:
True
False
Answer: True
Question: Chemical digestion begins in the mouth with the production of ______________.
Amylase
Pepsin
Lipase
Protease
Answer:
Question: Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials?
Answer Options:
Leakage channel
Voltage-gated channel
Mechanically gated channel
Ligand-gated channel
Answer: Voltage-gated channel
Question: The part of a neuron that conducts impulses away from its cell body is called a(n) _______.
Answer Options:
a) Schwann cell
b) neurilemma
c) dendrite
d) axon
Answer: d) axon
Question: Bipolar neurons are commonly ______.
Answer Options:
Found in the retina of the eye
Found in ganglia
Motor neurons
Called neuroglial cells
Answer: Found in the retina of the eye
Question: The autonomic nervous system is under voluntary control, whereas, the somatic nervous system is involuntary.
Answer Options:
True
False
Answer: False
Question: Nuclei relating to the startle reflex are located in the corpora quadrigemina of the midbrain.
Answer Options:
True
False
Answer: True
Question: Which of the following is the SMALLEST?
a) Tissue
b) Organ
c) Molecule
d) Cell
Answer: c) Molecule
Question: Specific motor and sensory functions are localized in specific areas called domains, whereas memory and language have overlapping domains.
Answer Options:
a) True
b) False
Answer: b) False
Question: Which of the following is not a function of astrocytes?
Answer Options:
anchor neurons to blood vessels
provide the defense for the CNS
support and brace neurons
control the chemical environment around neurons
guide the migration of young neurons, synapse formation, and helping to determine capillary permeability
Answer: provide the defense for the CNS
Question: Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocyte.
Answer Options:
True
False
Answer: True
Question: An impulse from one nerve cell is communicated to another nerve cell via the _______.
Answer Options:
a) receptor
b) effector
c) cell body
d) synapse
Answer: d) synapse
Question: What is the structural unit of compact bone?
Answer Options:
osseous matrix
lamellar bone
the osteon
spongy bone
Answer: the osteon
Question: Receptors for hearing are located in the _______.
Answer Options:
a) cochlea
b) tympanic membrane
Answer: a) cochlea
Question: Neurons in the CNS are organized into functional groups.
Answer Options:
True
False
Answer: True
Question: What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called?
Answer Options:
a) ependymal cells
b) astrocytes
c) Schwann cells
d) oligodendrocytes
Answer: a) ependymal cells
Question: A shallow groove on the surface of the cortex is called a _______.
Answer Options:
a) furrow
b) fissure
c) sulcus
d) gyrus
Answer: c) sulcus
Question: A postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons.
Answer Options:
True
False
Correct answer: True
Answer:
Question: Which of the following describes the plasma membrane?
Answer Options:
a) a single-layered membrane that surrounds the nucleus of the cell
b) a double layer of protein enclosing the plasma
c) a membrane composed of tiny shelves or cristae
d) a phospholipid bilayer surrounding the cell
Answer: d) a phospholipid bilayer surrounding the cell
Question: What role does gut microbiota play in the function of the GI tract?
a) Helps maintain gut barrier
b) Optimizes the immune function of the gut
c) Protects gut from opportunistic disease-causing bacteria
d) All of the above
e) Only a and c
Answer: d) All of the above
Question: A needle would pierce the epidermal layers of the forearm in which order?
Answer Options:
a) corneum, granulosum, spinosum, basale
b) granulosum, granulosum, spinosum, basale
c) basale, spinosum, granulosum, lucidum, corneum
d) basale, spinosum, granulosum, corneum
Answer: c) basale, spinosum, granulosum, lucidum, corneum
Question: Which of the following is true with respect to tenancies by the entireties?
Answer Options:
There is greater creditor protection with respect to tenancies by the entireties than with respect to joint tenants with right of survivorship.
There is greater creditor protection with respect to joint tenants with right of survivorship than with respect to tenancies by the entireties.
Answer: There is greater creditor protection with respect to tenancies by the entireties than with respect to joint tenants with right of survivorship.
Question: Which of these effectors is not directly controlled by the autonomic nervous system?
Answer Options:
smooth muscle
skeletal muscle
cardiac muscle
most glands
Answer: skeletal muscle