Test
NEUROSCIENCE
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Preguntas del test (77)
1What is a nerve net?
- ALess complex animals, non-clustering of neurons
- BMore complex animals, clustering in head region
- CMirrored image
2What is the Central Nervous System?
- AAll other cells
- BBrain/spinal cord
3What is the way in which signals travel down neurons?
- AAxon hillock, axon, synaptic terminals, dendrites, cell body
- BCell body, dendrites, axon hillock, axon, synaptic terminals
- CDendrites, Cell body, axon hillock, axon, synaptic terminals
4What are oligodendrocytes?
- AForm myelin sheath in the CNS
- BForm myelin sheath in the PNS
5What are astrocytes?
- ANourish/support neurons, role in mental disorders, most abundant
- BLeast abundant, nourish/support neurons
6Which is the correct answer?
- AChemical signals travel down neurons, electrical signals travel between neurons
- BChemical signals travel between neurons, electrical signals travel down neurons
7What are respiratory adaptations to deep water?
- AMore myoglobin
- BLess blood, more 02
- CMore blood, more 02
- DMore myoglobin, more blood, more 02
8What organ is associated with respiratory adaptations for humans?
- ALarge Liver
- BLarge Spleen
- CLarge lungs
- DLarge Heart
9True or false, are sensory neurons translating CNS to PNS?
- AVerdadero
- BFalso
10What are Interneurons? Check all that apply.
- ATalk to other neurons
- BFound in whole body
- CFound only in PNS
- DFound only in CNS
- EAnalyze and Interpret messages
- FOccurs in CNS
11True or false, motor neurons translate CNS to PNS
- AVerdadero
- BFalso
12What is the neuron resting potential voltage?
- A70 mV
- B-85 mV
- C-70 mV
- D-90 mV
13Neuron resting potential depends on....
- AIonic gradients across plasma membranes
- BResting potential voltage
- CAmount of Na+ in cell
14True or False, when a neuron is at rest, ion channels are closed.
- AVerdadero
- BFalso
15What is Na+ content outside neuron?
- ALow
- BSame
- CHigh
16What is the K+ content inside neuron?
- AHigh
- BLow
- CSame
17What type of transport of ions is used to help maintain resting potential?
- APassive Transport
- BOsmosis
- CActive transport
- DSodium Potassium Pump
18True or False, concentration gradient is stronger than the electrical gradient.
- AVerdadero
- BFalso
19Concentration Gradients move ions from [blank_start]high[blank_end] to [blank_start]low[blank_end] concentrations through [blank_start]passive[blank_end] transport
- Ahigh
- Blow
- Clow
- Dhigh
- Eactive
- Fpassive
20Electrical Gradient ions are attracted to [blank_start]opposite[blank_end] charge through [blank_start]passive[blank_end] transport
- Aopposite
- Bsame
- Cpassive
- Dactive
21Hyperpolarization is...
- AIncrease in magnitude of membrane potential
- BDecrease in magnitude of membrane potential
- CMore - inside
- DLess - inside
- ENa+ leaving cell
- FK+ leaving cell
22Depolarization is...
- AIncrease in magnitude of membrane potential
- BDecrease in magnitude of membrane potential
- CNa+ enters
- DNa+ exits
- EInside more +
- FInside more -
23A weak stimulus gives a [blank_start]weak[blank_end] change, and a strong stimulus gives a [blank_start]strong[blank_end] change.
- Aweak
- Bstrong
- Cweak
- Dstrong
24What occurs in depolarization phase?
- ANa+ channels open, membrane potential increases. Na+ diffuses into cell
- BK+ channels open, K rushes out of cell
- CNa+ rushes into cell via pressures
- DNa+ and K+ channels are closed
25What occurs in the rising phase?
- AMany Na+ open
- BMany K+ channels open
- Cinside becomes negative
- Dinside becomes positive
- Epositive feedback
- Fnegative feedback
- GThreshold is crossed
26What occurs in the restoration of resting potential?
- AK+ channels close
- BInactivation gates open to generate new action potentials
- CSodium pump
- DSodium Potassium Pump
- EK+ enters cell
27What is tetrodotoxin?
- ABlocks K+ channels, defense
- BOpens/closes Na+ channels, captures prey
- CUsed for defense, blocks Na+ channels
28What determines the conduction speed of an action potential?
- APresence or lack of myelin sheath
- BLocation of action potential
- CAmount of Na+ and K+ present
- DLarge axon diameter
29True or false, Saltatory Conduction allows for a action potential to speed up.
- AVerdadero
- BFalso
30What is the Node of Ranvier?
- AType of protein channel
- BGaps in myelin sheath
- CAction potential
31Where is the synapse?
- AIn myelin sheath gaps
- BBetween glial cells
- CBetween synaptic terminal of one cell and other
32What do GABA Transmitters do?
- ARegulates neuronal excitability all over PNS
- BRegulates neuronal excitability all over CNS
- CDrugs used to treat anxiety
- DDrugs used to treat depression
- ESlows down
- FSpeeds up
- GPotassium Channel
- HChloride Ion Channel
33Serotonin receptors [blank_start]down[blank_end] regulate.
- Adown
- Bup
34Nervous system communication consists of signals moving across [blank_start]short[blank_end] distances with [blank_start]rapid/short[blank_end] lasting signals and is [blank_start]voluntary[blank_end], endocrine communication signaling moves across [blank_start]long[blank_end] distances with [blank_start]slow/long[blank_end] lasting signals and is [blank_start]non-voluntary[blank_end].
- Ashort
- Blong
- Crapid/short
- Dslow/long
- Enon-voluntary
- Fvoluntary
- Gshort
- Hlong
- Irapid/short
- Jslow/long
- Knon-voluntary
- Lvoluntary
35Hormone messengers start at the [blank_start]stimulus[blank_end], enter the [blank_start]endocrine cell[blank_end], move to the [blank_start]blood vessel[blank_end], enter [blank_start]target cells[blank_end], and receive a [blank_start]response[blank_end].
- Astimulus
- Bresponse
- Cendocrine cell
- Dglial cell
- Eblood stream
- Fblood vessel
- Gtarget cells
- Hendocrine cells
- Iresponse
- Jstimulus
36Which classes of hormones bind to receptors in plasma membrane, are water soluble, lipid insoluble, and hydrophobic?
- AAmines
- BSteroids
- CProteins/Peptides
37True or False, steroids bind to receptors in cell nucleus/cytopastm, lipid soluble, water insoluble, and hydrophobic?
- AVerdadero
- BFalso
38Water-soluble hormones travel through the [blank_start]blood[blank_end], are stored in [blank_start]vesicles[blank_end], secreted through [blank_start]exocytosis[blank_end], bind to receptors in target tissues in [blank_start]plasma membrane[blank_end], and activate transduction pathways and [blank_start]rapid[blank_end] responses.
- Ablood
- Blipids
- Ctransport proteins
- Dvesicles
- Eexocytosis
- Fendocytosis
- Gplasma membrane
- Hblood vessels
- Islow
- Jrapid
39Lipid-soluble hormones travel through [blank_start]lipids[blank_end], are transported through blood by [blank_start]transport protein[blank_end]s, bind to receptors in [blank_start]cytoplasm[blank_end], gene transcription, [blank_start]slow[blank_end] response
- Alipids
- Bblood stream
- Ctransport protein
- Dvesicles
- Eplasma membrane
- Fcytoplasm
- Gslow
- Hfast
40Posterior Pituitary is [blank_start]directly connected[blank_end] to the brain and Anterior pituitary glad is connected [blank_start]via vessels[blank_end].
- Adirectly connected
- Bconnected through vessels
- Cvia vessels
- Ddirectly
41The cells in the Posterior Pituitary are?
- AHormonal cells
- BNeurosecretory cells
- CGlial cells
42What two hormones are synthesized by neurosecretory cells in the posterior pituitary gland?
- AADH: receptors on kidneys
- BTestosterone: receptors on liver
- COxytocin: receptors on mammary glands
- DPituitary cells: on Hypothalamus
43Oxytocin....
- AReceptors only appear at birth
- BReceptors are present at all times
- CStimulates milk ejection
- DRegulates maternal activities
- ENegative Feedback loops
- FPositive Feedback loops
- GCan act as a neurotransmitter, promotes bonding and trust
44ADH...
- AConserves body water
- BIncreases urination
- CDecreases urination
- Dalcohol
- Ecoffee
- Ftea
- Gacts on liver
- Hacts on kidney
45True or false, do anterior pituitary hormones have tropic effects?
- AVerdadero
- BFalso
46TSH hormone binds to [blank_start]thyroid hormones[blank_end], ACTH hormone binds to [blank_start]adrenal context[blank_end], Growth hormone (GH) binds to [blank_start]liver[blank_end]
- Athyroid hormones
- Badrenal cortex
- Cliver
- Dliver
- Eadrenal context
- Fliver
- Gthyroid hormones, adrenal cortex
- Hthyroid hormones
47Where is the thyroid gland located?
- AOn top of kidneys
- BNeck
- COn liver
48What does binding of T3 and T4 target cells do in the Thyroid?
- AIncrease metabolism
- BDecrease metabolism
- CKeep metabolism the same
49What is the pathway of the thyroid hormone?
- ATSH released by Neurosecretory cells, released into blood stream, TSH released, T3 and T4 released and bind to thyroid
- BTRH released by Neurosecretory cells, released into portal vessels, travel to anterior pituitary gland to bind to receptors, releases TSH to bind to target TSH cells, releases T3 and T4
50Thyroid hormone regulation is..
- ANegative Feedback
- BPositive Feedback
51What are symptoms of Hyperthyroidism?
- AToo much thyroid hormone
- BNot enough thyroid hormone
- Cgain weight
- Dfeeling hot
- Efeeling tired
- Firritable
- Glose weight
- HLow TSH
- IHigh TSH
52What are symptoms of Hypothyroidism?
- ANot enough thyroid hormone
- BToo much thyroid hormone
- Cfeeling hot
- Dgaining weight
- Eirritability
- Ffeeling tired
- Ghaving energy
- Hfeeling cold
- Ilack of iodine in diet
53What is the purpose of the Adrenal Glad?
- ACommunication skills
- BHandling stressors
- CRegulating hormones
54Adrenal cortex is the [blank_start]outside layer[blank_end], releases [blank_start]steroid[blank_end] hormones via glucocorticoids, [blank_start]slow/long responses[blank_end]
Adrenal medulla is the [blank_start]inside layer[blank_end], releases [blank_start]amine[blank_end] hormones, fight or flight, [blank_start]immediate[blank_end]- Aoutside layer
- Binside layer
- Cinside layer
- Doutside layer
- Eamine
- Fsteroid
- Gamine
- Hsteroid
- Iimmediate
- Jslow
- Kslow/long responses
- Lrapid
55What are effects of glucocorticoids?
- ABreak down proteins and turn into glucose
- BAid immune system
- CSuppress immune system
- DInhibits reproduction and growth
- ENegative feedback
- FPositive feedback
56What is decreased in response to stress?
- AEgg and Sperm Production
- BRespiration
- CDigestion
- DEgg and Sperm Production
Inhibiting growth
57What is Fixed action pattern in animals?
- ASequence of unlearned, innate behaviors
- BNo change in behavior around females
- CAn active stimulus
58What are sign stimuli?
- AVisual
- BAuditory
- CElectrical
- DChemicals
- EVibrations
- FTactile
59What is Piloting?
- AMovement of animals across a compass straight line
- BMovement of animals from one familiar landmark to another
- COrientation similar to location/destination on map
60Round Dance in bees is food [blank_start]avaliable[blank_end] near and hive and the Waggle Dance is food [blank_start]distance/direction[blank_end] from hive
- Aavaliable
- Bdistance/direction
- Cdistance/direction
- Davaliable
61What is the handicap principle?
- AOnly high quality males can produce them, expensive to produce, accurate
- BAll males can produce, non-expensive to produce, innacurate
- CSignals are innacurate
62What is Intersexual Selection?
- AUsually females
- BMembers of one sex choose males based on characteristics
- CMostly males
- DFemales want a good looking male
- EFemales want a good gene pool
- FReproduction is costly for females
- GReproduction is uncostly for males
63What is the difference between Monogamy and Polygamy?
- AMonogamy=each individual mates w one partner. Both parents care
Pologomy: individuals mate w more than one partner. Only maternal care - BMonogamy=individuals mate w more than one partner. Both parents care
Pologomy: each individual mates w one partner. Only maternal care - CMonogamy=individuals mate w more than one partner. Only paternal care
Pologomy: each individual mates w one partner. Both parents care
- AMonogamy=each individual mates w one partner. Both parents care
64What is intrasexual selection?
- ACompetition of females
- BCompetition between multiple sexes
- CCompetition between members of one sex
65What drives evolution of mating systems?
- ACertainty of paternaty
- BNeeds of the young
- CCompetition
66True of false, the feeds of the helpless young=monogamy, independent young=pologamy
- AVerdadero
- BFalso
67The certainty of paternity consists of internal: gametes in female body, [blank_start]maternal care[blank_end]. External: gametes unite outside of female body, [blank_start]paternal care[blank_end]
- Amaternal care
- Bpaternal care
- Cpaternal care
- Dmaternal care
68Which hormones are stored in vesicles?
- ALipid-Soluble
- BWater-soluble
69Where is the pituitary gland?
- AOn top of kidneys
- BNeck
- CLiever
- DBrain
70What are the two posterior pituitary hormones ADH and Oxytocin called?
- ASteroid Hormones
- BPeptide Hormones
- CNeurosecretory hormones
- DProtein hormones
71What are adaptive features of stress? Check all that apply.
- AMake glucose more avalibale
- BDecrease glucose production
- CMove glucose to critical regions in body
- DIncrease alertness
- EStopping immune system
- FIncreasing immune system
- GStopping egg/sperm production
- HStopping growth
- IProgressing growth
72Why is stress harmful? Check all that apply.
- ANo immediate energy use
- BCauses fatigue
- CReproduction problems
- DImmune system suppression
- EAffect memory
73[blank_start]Cortisol[blank_end] is the stress hormone in humans, and [blank_start]corticosterone[blank_end] is the stress hormone in birds and rats.
- Acortisol
- Bcorticosterone
- Ccorticosterone
- Dcortisol
74What are Proximate Causes?
- AWhat triggers behavior?
- BWhat is the evolutionary significance?
- CWhat is the role of experience?
- DWhat genetic mechanisms are involved?
75What is the ultimate cause?
- AWhat is the evolutionary significance?
- BWhat triggers the behaviors?
- CWhat genetic mechanisms are involved?
- DWhat is the role of experience?
76True or false. BOTH genes and environment regulate behavior.
- AVerdadero
- BFalso
77What is a cognitive map?
- APiloting skills
- BOrientation
- CStraight line compass
- DSpacial relationships between objects
Información
- Descripción
- Biology Test sobre NEUROSCIENCE, creado por Kayla W el 11/04/2020.
- Autor
- Kayla W
- Idioma
- English
- Visitas
- 2
- Etiquetas
- Valoración
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