Navigation » List of Schools » Prince George Community College » Biology » Bio 2050 – Anatomy and Physiology » Fall 2022 » Lecture Exam 3
Below are the questions for the exam with the choices of answers:
Question #1
A hypothalamus
B limbic system
C medulla oblongata
D cerebellum
Question #2
A Pons
B Cerebrum
C Medulla oblongata
D Cerebellum
Question #3
A blood pressure, medulla oblongata.
B blood pressure, pons
C voluntary movement, frontal lobe
D visual reflexes, pons
Question #4
A Arcuate nuclei
B Red nuclei
C Substantia nigra
D Cerebral nuclei
Question #5
A pons.
B thalamus.
C epithalamus.
D hypothalamus.
Question #6
A Habenular nucleus
B Pineal gland
C Mammillary body
D Anterior nucleus
Question #7
A taste, frontal lobe
B sound, cerebellum
C taste, insula
D smell, parietal lobe
Question #8
A verbal communication.
B vision.
C smell.
D hearing.
Question #9
A cerebral gyri.
B cerebral sulci.
C corpus callosum.
D hypothalamus.
Question #10
A cerebrum.
B hypothalamus.
C pons.
D cerebellum.
Question #11
A astrocyte extensions and dural sinuses.
B astrocyte perivascular feet and capillary endothelial cells.
C microglial extensions and capillary endothelial cells.
D ependymal cells and venous blood vessels.
Question #12
A microglia.
B arachnoid villi.
C astrocytes.
D the median aperture.
Question #13
A septum pellucidum.
B arachnoid granulation.
C choroid plexus.
D arachnoid villi.
Question #14
A CSF transports nutrients and chemicals to the brain.
B CSF helps to reduce the effective weight of the brain.
C CSF helps to remove waste products from the brain.
D CSF helps to promote mitosis within neuronal tissue.
Question #15
A mesencephalic aqueduct
B septum pellucidum.
C interventricular foramen.
D central canal.
Question #16
A median
B third
C fourth
D lateral
Question #17
A Pia mater
B Arachnoid
C Dura mater
D Subdural layer
Question #18
A b, a, c
B a, c, b
C b, c, a
D a, b, c
Question #19
A ectoderm.
B mesoderm.
C endoderm.
Question #20
A myelinated axons, where action potentials occur only at neurofibril nodes.
B myelinated axons, where action potentials occur only under the myelin sheath.
C unmyelinated axons, where action potentials occur continuously down the entire axon.
D myelinated axons, where action potentials occur continuously down the entire axon.
Question #21
A neurofibril nodes.
B myelinated regions.
Question #22
A unmyelinated, large
B myelinated, small
C unmyelinated, small
D myelinated, large
Question #23
A calcium is released from the neuron along with neurotransmitter from synaptic vesicles.
B calcium diffuses into the neuron and neurotransmitter is released by exocytosis.
C calcium and neurotransmitter diffuse into the synaptic knob.
D calcium is pumped into the neuron and neurotransmitter diffuses out through channels.
Question #24
A Relative refractory period
B Absolute refractory period
Question #25
A closure of voltage-gated potassium channels.
B open state of voltage-gated sodium channels.
C closure of chemically gated sodium channels.
D open state of voltage-gated potassium channels.
Question #26
A potassium exits, repolarizing the cell to a negative value.
B potassium exits, depolarizing the cell to an even more negative value.
C potassium enters, depolarizing the cell to a positive value.
D potassium enters, repolarizing the cell to a negative value.
Question #27
A action potentials at the node of Ranvier.
B resting membrane potentials in a particular area of the brain.
C postsynaptic potentials at the initial segment.
D excitatory neurotransmitter molecules at a receptor.
Question #28
A IPSP, which is a depolarization.
B EPSP, which is a depolarization.
C IPSP, which is a hyperpolarization.
D EPSP, which is a hyperpolarization
Question #29
A voltage-, axon
B chemically, axon
C voltage-, dendrite
D chemically, dendrite
Question #30
A lasts for several seconds after ion channels have opened, closed, and reset.
B travels the length of the nerve fiber (is long-distance).
C is all or none (always the same intensity).
D varies in size depending on the magnitude of the stimulus (larger voltage change for stronger stimulus).
Question #31
A voltage-gated channels.
B chemically gated channels.
C sodium-potassium pumps.
D mechanically gated channels.
Question #32
A 0 mV.
B the same.
C more positive.
D more negative.
Question #33
A directly related to voltage and inversely related to resistance.
B indirectly related to voltage and directly related to resistance.
C inversely related to both voltage and resistance.
D directly related to both voltage and resistance.
Question #34
A the difference in electrical charge between two areas.
B the difference in concentration of a substance between two areas.
C the combination of electrical and chemical gradients between two areas.
D the resistance a membrane has to allowing any charged chemical to pass through it.
Question #35
A voltage-gated chloride channel.
B voltage-gated sodium channel.
C voltage-gated calcium channel.
D voltage-gated potassium channel.
Question #36
A transmissive
B initial
C receptive
D conductive
Question #37
A endoneurium.
B endosteum.
C perineurium.
D epineurium.
Question #38
A dense regular connective tissue.
B simple squamous epithelium.
C dense irregular connective tissue.
D areolar connective tissue.
Question #39
A carries information only toward the PNS.
B contains a single axon.
C is found only in the CNS.
D is a cablelike bundle of parallel axons.
Question #40
A astrocyte.
B ependymal cell.
C satellite cell.
D neurolemmocyte.
Question #41
A ependymal cell.
B astrocyte.
C oligodendrocyte.
D microglial cell.
Question #42
A Transmission at both chemical and electrical synapses involves a synaptic delay of approximately 1 millisecond.
B Electrical synapses have a constant delay of 1 millisecond, but chemical synaptic delays vary between 0.1 and 0.3 millisecond.
C Transmission at electrical synapses involves a brief synaptic delay, but chemical synapses are faster.
D Transmission at chemical synapses involves a brief synaptic delay, but electrical synapses are faster.
Question #43
A the presynaptic neuron’s soma into synaptic vesicles.
B the postsynaptic neuron’s dendrites into the synaptic cleft.
C the presynaptic neuron’s synaptic knob into the synaptic cleft.
D the presynaptic neuron’s dendrites into the synaptic cleft.
Question #44
A individual axons transmit both sensory and motor information.
B some axons transmit sensory information and others transmit motor information.
C astrocytes are interspersed with ependymal cells.
D chemical synapses occur along with electrical synapses.
Question #45
A bipolar neurons.
B motor neurons.
C interneurons.
D sensory neurons.
Question #46
A At the tips of telodendria
B Along axon collaterals
C At the ends of dendrites
D Within the cell body
Question #47
A several types of neurotransmitters simultaneously, that all work to prevent another immediate impulse.
B several types of neurotransmitters simultaneously, all of which excite the cell’s target.
C a specific neurotransmitter that always excites its target.
D a specific neurotransmitter that either excites or inhibits its target.
Question #48
A Transmits impulses to muscles and glands
B Conducts impulses from the CNS
C Transmits impulses from the viscera
D Involuntary control of the heart
Question #49
A initiate responses to information.
B process information.
C collect information.
D conduct impulses to muscles.