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