Neuron Function and Autonomic Nervous System, Lecture notes of Biology

Various aspects of neuron function, including the role of different parts of a neuron in conducting impulses and the function of neurotransmitters. It also discusses the autonomic nervous system, its divisions, and its role in controlling involuntary muscle movements and internal organ activities.

Typology: Lecture notes

2021/2022

Uploaded on 09/12/2022

maya090
maya090 šŸ‡ŗšŸ‡ø

4.3

(23)

285 documents

1 / 25

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Chapter 13
Student: ___________________________________________________________________________
1. A reflex action:
A.is quick
B.requires adrenaline
C.is normally controlled consciously
D.has no protective value
2. Neurotransmitters are stored in synaptic vesicles in the:
A.neuron cell body
B.dendrite terminals
C.axon terminals
D.myelin sheath
3. The portion of the neuron that conducts impulses toward the cell body after receiving them from other
neurons is the:
A.dendrite
B.axon
C.peripheral process
4. After stimulation, a neuron repolarizes by:
A.the outward movement of potassium ions (K+)
B.the generation of a second impulse
C.growing a myelin sheath
D.making ATP
E.generating an impulse in the opposite direction
5. The dorsal root of a spinal nerve contains:
A.motor neurons
B.interneurons
C.sensory neurons
1
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff
pf12
pf13
pf14
pf15
pf16
pf17
pf18
pf19

Partial preview of the text

Download Neuron Function and Autonomic Nervous System and more Lecture notes Biology in PDF only on Docsity!

Chapter 13

_Student: ____________________________________________________________________________

  1. A reflex action:

A.is quick B.requires adrenaline C.is normally controlled consciously D.has no protective value

  1. Neurotransmitters are stored in synaptic vesicles in the:

A.neuron cell body B.dendrite terminals C.axon terminals D.myelin sheath

  1. The portion of the neuron that conducts impulses toward the cell body after receiving them from other neurons is the:

A.dendrite B.axon C.peripheral process

  1. After stimulation, a neuron repolarizes by:

A.the outward movement of potassium ions (K+) B.the generation of a second impulse C.growing a myelin sheath D.making ATP E.generating an impulse in the opposite direction

  1. The dorsal root of a spinal nerve contains:

A.motor neurons B.interneurons C.sensory neurons

  1. Which of these is NOT true of the autonomic nervous system?

A.It controls heartbeat, peristalsis, and gland secretion. B.It is composed of sympathetic and parasympathetic systems. C.It is composed only of fibers that have an inhibitory function on various organs of the body. D.Impulses require two motor neurons to reach their destination.

  1. The _________ system contributes to the functioning of the nervous system, and overall homeostasis, by delivering nutrients to nervous tissue.

A.lymphatic B.cardiovascular C.urinary D.muscular

  1. The neuromodulator known as the natural painkiller which blocks the release of substance P is called:

A.serotonin B.caffeine C.acetylcholine D.endorphin

  1. A neuron will generate an impulse, or "fire", when the membrane potential reaches:

A.the refractory period B.hyperpolarization C.threshold

  1. Sodium is pumped out of a neuron:

A.by simple diffusion B.by osmosis C.by an expenditure of energy D.when the cell is stimulated E.only during the refractory period

  1. An association area of the brain is:

A.a motor area B.a sensory area C.both a motor and sensory area D.a region of integration

  1. There are ____ pairs of spinal nerves.

A. B. C. D.

  1. Which of the following is the correct scientific name for marijuana?

A.Cannabis sativa B.Cannabis delirium C. Cannabis psychosi D. Erythoxylon coca

  1. A reflex action:

A.is an automatic, involuntary response B.does not require the central nervous system C.is normally controlled consciously D.has no protective value

  1. If a person has a spinal cord injury in their cervical region, they could have:

A.paraplegia B.quadriplegia

  1. The central nervous system is composed of:

A.nerves around the body B.brain and spinal cord

  1. Drinking alcohol causes what change in the body?

A.pH of blood declines as it becomes acidic B.Krebs cycle does not operate properly C.fat accumulates in the liver; also, liver cells die D.immune system functioning declines E.All of the choices are correct.

  1. Reflex centers for visual, auditory, and tactile responses are located in which part of the brain?

A.midbrain B.corpus callosum C.cerebrum D.medulla oblongata E.cerebellum

  1. In the axon, the nerve impulses normally travel:

A.toward the cell body B.away from the cell body C.in both directions D.away from the synapse

  1. The summing up of excitatory and inhibitory signals is referred to as:

A.long term potentiation B.integration C.all or none response D.a resting potential E.an action potential

  1. Choose the INCORRECT statement.

A.The cerebrum is the same as the cerebral hemispheres. B.The cerebellum is the same thing as the cerebrum. C.Broca's area is responsible for motor speech. D.The premotor area organizes motor functions. E.Association areas associate information.

  1. Methamphetamine resembles amphetamine in structure. Methamphetamine has a ____ group, while amphetamine does not.

A.THC B.alkaloid C.dopamine D.serotonin E.methyl

  1. The primary motor area of the cortex is located:

A.dorsal to the central sulcus B.ventral to the central sulcus

  1. The brain is protected by:

A.cerebrospinal fluid B.membranes called meninges C.the skull D.All of the choices are correct.

  1. GABA is a(n):

A.excitatory neurotransmitter B.inhibitory neurotransmitter C.neurotransmitter breakdown enzyme D.neuromodulator

  1. Integration is:

A.performed by the CNS B.motor output C.sums up all the input received D.both performed by the CNS which sums up all of the input received

  1. At a synapse:

A.synaptic vesicles fuse with the postsynaptic membrane after traveling along the synaptic cleft B.synaptic vesicles fuse with the presynaptic membrane after traveling along the synaptic cleft C.neurotransmitters diffuse across the synaptic cleft D.neurotransmitters are actively transported across the synaptic cleft

  1. If a person has a spinal cord injury in their thoracic region, they could have:

A.paraplegia B.quadriplegia

  1. Why are most organs innervated by antagonistic parts of the autonomic system?

A.A reserve neural supply is required. B.This is an evolutionary relic. C.One increases and one inhibits actions of the organ. D.One is sensory and one is motor.

  1. Which of these is the best analysis of the function of the autonomic nervous system?

A.Conscious control of muscle movements is coordinated with sensory stimuli. B.It controls muscle movements that are primarily voluntary in nature. C.It controls involuntary muscle movements and internal organ activities. D.It controls voluntary muscle movements directed by unconscious stimuli.

  1. Which of the following is best associated with motor control?

A.medulla and hypothalamus B.midbrain and pons C.frontal lobe and cerebellum D.thalamus and parietal lobe

  1. Caffeine interferes with the effects of inhibitory transmitters in the brain and so is categorized as a:

A.neurotransmitter breakdown enzyme B.neurotransmitter stimulant C.neuromodulator D.neuroregulator

  1. Which of the following is derived from tobacco products?

A.cocaine B.alcohol C.nicotine

  1. Methamphetamine is also called:

A.speed B.crystal methamphetamine C.ice D.All of the choices are correct.

  1. Which type of neuron functions as a connection between neurons?

A.sensory neuron B.interneuron C.motor neuron

  1. Which cell type functions to transmit information?

A.neuron B.neuroglia C.neuroma

  1. Which of the following is a gap in the myelin sheath?

A.node of Ranvier B.nerve impulse C.resting potential

  1. Which neurotransmitter is a heart stimulant?

A.acetylcholine B.norepinephrine C.dopamine

  1. Consciousness is best associated with the:

A.whole brain B.frontal lobe only C.cerebrum D.whole central nervous system

  1. Which of these is mismatched?

A.CNS-brain and spinal cord B.PNS-peripheral nervous system C.CNS-autonomic system D.PNS-sympathetic system

  1. The primary functions of the spinal cord are:

A.intelligence and memory B.speech, taste, smell, vision, hearing, and touch C.simple reflexes and a link between brain and body D.to control muscle activity and maintain balance

  1. Which of the following is the correct pairing?

A.diencephalon; thalamus, hypothalamus B.brain stem; midbrain, pons, medulla oblongata C.reticular formation; network of neurons extending the length of the brain stem D.All of the choices are correct.

  1. Which of the following statements is true?

A.The left side of the cerebrum controls the right side of the body. B.The right side of the cerebrum controls the left side of the body. C.The two cerebral hemispheres share information via the corpus callosum. D.All of the choices are correct.

  1. The dorsal root of a spinal nerve contains:

a. motor neurons b. interneurons C sensory neurons

Mader - 013 Chapter... #

  1. Which of these is NOT true of the autonomic nervous system?

a. It controls heartbeat, peristalsis, and gland secretion. b. It is composed of sympathetic and parasympathetic systems. C It is composed only of fibers that have an inhibitory function on various organs of the body. d. Impulses require two motor neurons to reach their destination.

Mader - 013 Chapter... #

  1. The _________ system contributes to the functioning of the nervous system, and overall homeostasis, by delivering nutrients to nervous tissue.

a. lymphatic B cardiovascular c. urinary d. muscular

Mader - 013 Chapter... #

  1. The neuromodulator known as the natural painkiller which blocks the release of substance P is called:

a. serotonin b. caffeine c. acetylcholine D endorphin Mader - 013 Chapter... #

  1. A neuron will generate an impulse, or "fire", when the membrane potential reaches:

a. the refractory period b. hyperpolarization C threshold Mader - 013 Chapter... #

  1. Sodium is pumped out of a neuron:

a. by simple diffusion b. by osmosis C by an expenditure of energy d. when the cell is stimulated e. only during the refractory period

Mader - 013 Chapter... #

  1. Choose the correct pairing:

a. white matter; cell bodies of neurons b. gray matter; tracts of axons of neurons c. white matter; tracts of dendrites of neurons D gray matter; cell bodies of neurons

Mader - 013 Chapter... #

  1. The portion of the neuron that conducts impulses away from the cell body is the:

a. dendrite B axon c. peripheral process

Mader - 013 Chapter... #

  1. The autonomic nervous system:

a. regulates activities of cardiac and smooth muscles b. has sympathetic and parasympathetic divisions c. is a part of the peripheral nervous system d. regulates activities of cardiac and smooth muscles and is a part of the peripheral nervous system E regulates activities of cardiac and smooth muscles, has sympathetic and parasympathetic divisions, and is a part of the peripheral nervous system

Mader - 013 Chapter... #

  1. Which of the following is characterized by neurofibrillary tangles and the development of plaques?

A Alzheimer's b. Parkinson's

Mader - 013 Chapter... #

  1. A reflex action:

A is an automatic, involuntary response b. does not require the central nervous system c. is normally controlled consciously d. has no protective value

Mader - 013 Chapter... #

  1. If a person has a spinal cord injury in their cervical region, they could have:

a. paraplegia B quadriplegia Mader - 013 Chapter... #

  1. The central nervous system is composed of:

a. nerves around the body B brain and spinal cord

Mader - 013 Chapter... #

  1. Drinking alcohol causes what change in the body?

a. pH of blood declines as it becomes acidic b. Krebs cycle does not operate properly c. fat accumulates in the liver; also, liver cells die d. immune system functioning declines E All of the choices are correct.

Mader - 013 Chapter... #

  1. Reflex centers for visual, auditory, and tactile responses are located in which part of the brain?

A midbrain b. corpus callosum c. cerebrum d. medulla oblongata e. cerebellum

Mader - 013 Chapter... #

  1. In the axon, the nerve impulses normally travel:

a. toward the cell body B away from the cell body c. in both directions d. away from the synapse

Mader - 013 Chapter... #

  1. The summing up of excitatory and inhibitory signals is referred to as:

a. long term potentiation B integration c. all or none response d. a resting potential e. an action potential

Mader - 013 Chapter... #

  1. Choose the INCORRECT statement.

a. The cerebrum is the same as the cerebral hemispheres. B The cerebellum is the same thing as the cerebrum. c. Broca's area is responsible for motor speech. d. The premotor area organizes motor functions. e. Association areas associate information.

Mader - 013 Chapter... #

  1. Cirrhosis of the liver may be associated with:

a. cocaine B alcohol c. nicotine

Mader - 013 Chapter... #

  1. Methamphetamine resembles amphetamine in structure. Methamphetamine has a ____ group, while amphetamine does not.

a. THC b. alkaloid c. dopamine d. serotonin E methyl Mader - 013 Chapter... #

  1. The primary motor area of the cortex is located:

a. dorsal to the central sulcus B ventral to the central sulcus

Mader - 013 Chapter... #

  1. The brain is protected by:

a. cerebrospinal fluid b. membranes called meninges c. the skull D All of the choices are correct.

Mader - 013 Chapter... #

  1. GABA is a(n):

a. excitatory neurotransmitter B inhibitory neurotransmitter c. neurotransmitter breakdown enzyme d. neuromodulator

Mader - 013 Chapter... #

  1. Integration is:

a. performed by the CNS b. motor output c. sums up all the input received D both performed by the CNS which sums up all of the input received

Mader - 013 Chapter... #

  1. At a synapse:

a. synaptic vesicles fuse with the postsynaptic membrane after traveling along the synaptic cleft b. synaptic vesicles fuse with the presynaptic membrane after traveling along the synaptic cleft C neurotransmitters diffuse across the synaptic cleft d. neurotransmitters are actively transported across the synaptic cleft

Mader - 013 Chapter... #

  1. If a person has a spinal cord injury in their thoracic region, they could have:

A paraplegia b. quadriplegia

Mader - 013 Chapter... #

  1. Why are most organs innervated by antagonistic parts of the autonomic system?

a. A reserve neural supply is required. b. This is an evolutionary relic. C One increases and one inhibits actions of the organ. d. One is sensory and one is motor.

Mader - 013 Chapter... #

  1. Which of these is the best analysis of the function of the autonomic nervous system?

a. Conscious control of muscle movements is coordinated with sensory stimuli. b. It controls muscle movements that are primarily voluntary in nature. C It controls involuntary muscle movements and internal organ activities. d. It controls voluntary muscle movements directed by unconscious stimuli.

Mader - 013 Chapter... #

  1. Which of the following is best associated with motor control?

a. medulla and hypothalamus b. midbrain and pons C frontal lobe and cerebellum d. thalamus and parietal lobe

Mader - 013 Chapter... #