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Neuroscience- systems
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Questions in this quiz (31)
1The axons of certain neurons are covered by a layer of fatty tissue that helps speed neural transmission. This tissue is:
- ADopamine
- BThe Myelin Sheath
- CAcetylcholine
- DAn Endorphin
2Heartbeat, digestion, and other self-regulating bodily functions are governed by the:
- AVoluntary Nervous System
- BAutonomic Nervous System
- CSympathetic Division of the Autonomic Nervous System
- DSomatic Nervous System
3A strong stimulus can increase the:
- Aspeed of the impulse the neuron fires
- Bintensity of the impulse the neuron fires
- CNumber of times the neuron fires
- DThreshold that must be reached before the neuron fires
4The pain of heroin withdrawal may be attributable to the fact that that:
- AUnder the influence of heroin, the brain ceases production of endorphins
- BUnder the influence of heroin, the brain ceases production of all neurotransmitters
- CDuring heroin withdrawal, the brain's production of all neurotransmitters is greatly increased
- DHeroin destroys endorphin receptors in the brain
5In resting state, the axon is:
- ADepolarized, with mostly negatively charged ions outside and positively charged ions inside
- BDepolarized, with mostly positively charged ions outside and negatively charged ions inside
- CPolarized, with mostly negatively charged ions outside and positively charged ions inside
- DPolarized, with mostly positively charged ions outside and negatively charged ions inside
6Which is the correct sequence in the transmission of a simple reflex?
- ASensory neuron -> interneuron -> sensory neuron
- Binterneuron -> motor neuron -> sensory neuron
- Csensory neuron -> interneuron -> motorneuron
- DInterneuron -> sensory neuron -> motor neuron
7Dr. Hernandez is studying neurotransmitter abnormalities in depressed patients. She would most likely describe herself as a
- APersonality Psychologist
- BPhrenologist
- CPsychoanalyst
- DBiological psychologist
8Voluntary movements, such as writing with a pencil, are directed by the:
- Asympathetic nervous system
- Bsomatic nervous system
- Cparasympathetic nervous system
- Dautonomic nervous system
9A neuron will generate action potentials more often when it:
- ARemains below its threshold
- Breceives and excitatory input
- Creceives more excitatory than inhibitory inputs
- Dis stimulated by a neurotransmitter
10Which is the correct sequence in the transmission of a neural impulse?
- AAxon -> dendrite -> cell body -> synapse
- BDendrite -> axon -> cell body -> synapse
- CSynapse -> axon -> dendrite -> cell body
- DDendrite-> cell body-> axon -> synapse
11Chemical messengers produced by endocrine glands are called
- AAgonists
- BNeurotransmitters
- CHormones
- DEnzymes
12In the brain, learning occurs as experience strengthens certain connections in cell work groups called:
- AAction potentials
- BNeural Networks
- CEndocrine Systems
- DDendrites
13When Sandy scalded her toe in a tub of hot water, the pain message was carried to her spinal cord by the ______ nervous system
- ASomatic
- BSympathetic
- CParasympathetic
- DCentral
14Which of the following are/ is governed by simplest neural pathways?
- AEmotions
- BPhysiological drives, such as hunger
- CReflexes
- DMovements, such as walking
15Melissa has just completed running a marathon. She is so elated that she feels little fatigue or discomfort. Her lack of pain is probably due to the release of
- AACh
- BEndorphins
- CDopamine
- DNorepinephrine
16Parkinson's Disease involves:
- AThe death of nerve cells that produce a neurotransmitter
- BOveractivation of the endorphins
- Cimpaired function of the parasympathetic division of the autonomic nervous system
- DExcess production of the neurotransmitters Dopamine and Acetylcholine
17The Myelin Sheath that is on some neurons:
- AIncreases the speed of neural transmission
- BSlows neural transmission
- CRegulates the release of neurotransmitters
- DDoes both A and C
18During an action potential, the electrical state of the axon becomes:
- APolarized, as positively charged ions are admitted
- Bpolarized, as negatively charged ions are admitted
- Cdepolarized, as positively charged ions are admitted
- Ddepolarized, as negatively charged ions are admitted
19The Neurotransmitter acetylcholine (ACh) is most likely to be found:
- Aat the junction between sensory neurons and muscle fibers
- Bat the junction between motor neurons and muscle fibers
- Cat the junctions between interneurons
- Din all of the above locations
20The gland that regulates body growth is the
- Aadrenal
- Bthyroid
- Chypothalamus
- Dpituitary
21Epinephrine and norepinephrine are ________ that are released by the _______ gland
- Aneurotransmitters; pituitary
- Bhormones; pituitary
- Cneurotrnasmitters; thyroid
- Dhormones; adrenal
22The effect of a drug that is an agonist is to:
- ACause the brain to stop producing certain neurotransmitters
- BMimic a particular neurotransmitter
- CBlock a particular neurotransmitter
- DDisrupt a neuron's all-or-none firing pattern
23A biological psychologist would be more likely to study:
- AHow to help you learn to express emotions
- Bhow to help people overcome emotional disorders
- Clife-span changes in the expression of emotion
- Dthe chemical changes that accompany emotions
24You are able to pull your hand quickly away from hot water before pain is felt because
- AMovement of the hand is a reflex that involves intervention of the spinal cord only
- Bmovement of the hand does not require intervention by the CNS
- Cthe brain reacts quickly to prevent severe injury
- Dthe autonomic division of the peripheral nervous system intervenes to speed contraction of the muscles in the hand
25Several shy neurons send an inhibitory message to neighboring neuron Joni. At the same time, a larger group of party-going neurons send Joni excitatory messages. What will Joni do?
- AFire, assuming that her threshold has been reached
- BNot fire, even if her threshold has been reached
- CEnter a refractory period
- DBecome hyperpolarized
26Following Jayshree's near fatal car accident, her physician noticed that the papillary reflex of her eyes was abnormal. This MAY indicate that Jayshree's ______ was damaged in the accident
- ASpinal Reflex
- BAutonomic Nervous System
- CPituitary Gland
- DHypothalamus
27Since Malcolm has been taking a drug prescribed by his doctor, he no longer enjoys the little pleasures of life, such as eating and drinking. His doctor explains that this is because the drug:
- ATriggers release of dopamine
- Binhibits release of dopamine
- Ctriggers release of ACh
- Dinhibits release of ACh
28Which of the following was a major problem with phrenology?
- AIt was "ahead of its time" and no one believed it could be true
- BThe brain is not neatly organized into structures that correspond to our categories of behavior
- Cthe brains of humans and animals are much less similar than the theory implied
- DAll of the above were problems with phrenology
29I am a relatively slow acting (but long lasting) chemical messenger carried throughout the body by the bloodstream. What am I?
- AA hormone
- BA neurotransmitter
- CAcetylcholine
- DDopamine
30Your brother has been taking prescription medicine and experiencing a number of unpleasant side effects, such as unusually rapid heartbeat, excessive perspiration. It is likely that the medicine is exaggerating activity in the
- Asomatic nervous system
- Bsympathetic nervous system
- Cparasympathetic nervous system
- Dreflex pathways
31A bodybuilder friend suddenly seems to have grown several inches in height. You suspect that your friend's growth has occurred because he has been using drugs that effect the
- APituitary Gland
- BThyroid
- CAdrenal Glands
- DPancreas
Information
- Description
- Module 4
- Author
- Shanna Swenson
- Language
- English
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