Test
Sin título
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Preguntas del test (33)
1The 3 fundamental functions of the nervous system are [blank_start]sensory function[blank_end], [blank_start]integrative function[blank_end], and [blank_start]motor function[blank_end].
- Asensory function
- Bintegrative function
- Cmotor function
24 examples of neuroglia cells are [blank_start]astrocytes[blank_end] (which help in the blood-brain barrier), [blank_start]oligodendrocytes[blank_end] (which form an maintain myelin sheaths on the CNS), [blank_start]microglia[blank_end] (function as phagocytes), and [blank_start]ependymal[blank_end] cells (produce and monitor CSF).
- Aastrocytes
- Boligodendrocytes
- Cmicroglia
- Dependymal
3Ependymal cells have cilia but no microvilli.
- AVerdadero
- BFalso
4Label everything.
- Acuneata fasciculus
- Bgracile fasciculus
- Cposterior column
- Dposterior spinocerebellar tract
- Eanterior spinocerebellar tract
- Fspinothalamic tract
- Ganterior corticospinal tract
- Htectospinal tract
- Imedial reticulospinal tract
- Jvestibulospinal tract
- Klateral reticulospinal tract
- Llateral corticospinal tract
- Mrubrospinal tract
- Nposterior ganglion root
- Oposterior dorsal root
- Panterior fissure
- Qcentral canal
- Rposterior sulcus
- Sposterior gray horn
- Tanterior gray horn
- Ulateral gray horn
- Vanterior rootlets
- Wposterior rootlets
5The two types of NS cells are: [blank_start]neurons[blank_end] and [blank_start]neuroglia[blank_end].
- Aneurons
- Bneuroglia
6A cell body cluster in the CNS is called a [blank_start]nuclei[blank_end], while it is called a [blank_start]ganglia[blank_end] in the PNS. A bundle of axons is called a [blank_start]tract[blank_end] in the CNS, and a [blank_start]nerve[blank_end] in the PNS.
- Anuclei
- Bganglia
- Ctract
- Dnerve
- Eganglia
- Fnuclei
- Gnerve
- Htract
- Itract
- Jnerve
- Kganglion
- Lroot
- Mnerve
- Nroot
- Oganglion
- Psulcus
7Gray matter consists of Nissl bodies, cell bodies, dendrites, unmyelinated axons and neuroglia.
- AVerdadero
- BFalso
8[blank_start]Calsequestrin[blank_end] is a calcium-binding protein that allows the Sarcoplasmic Reticulum to hold 10000x as much calcium as the sarcoplasm.
- ACalsequestrin
9Muscle fibers have 3 ways to produce ATP: [blank_start]creatine phosphate[blank_end], [blank_start]anaerobic cellular respiration[blank_end], and [blank_start]aerobic cellular respiration.[blank_end]
- Acreatine phosphate
- Banaerobic cellular respiration
- Caerobic cellular respiration.
10The somatic motor neuron hooks up with the muscle fiber at the motor end plate on the Neuromuscular Junction.
- AVerdadero
- BFalso
11Smooth muscle tissues is involuntary. [blank_start]Visceral[blank_end] smooth muscle is autorythmic and has gap junctions to spread AP. [blank_start]Multiunit[blank_end] smooth muscle doesn't spread much (an example is arrector pili)
- AMultiunit
- BVisceral
12Motor unit recruitment recruits everything at the same time.
- AVerdadero
- BFalso
13Cardiac muscle tissue has [blank_start]intercalated disces[blank_end] between cells and [blank_start]gap junctions[blank_end] to help spread the action potential. It remains contracted [blank_start]10-15x longer[blank_end] than skeletal muscle tissue. It does not have an [blank_start]epimysium[blank_end].
- Aintercalated discs
- Bgap junctions
- C10-15x longer
- Depimysium
14The four functions of muscular tissue are to [blank_start]produce body movements[blank_end], [blank_start]posture[blank_end], [blank_start]storing and moving substances in the bod[blank_end]y, and [blank_start]generating heat[blank_end].
The four properties of muscular tissue are [blank_start]electrical excitability[blank_end], [blank_start]contractility[blank_end], [blank_start]extensibility[blank_end], and [blank_start]elasticity[blank_end].
The 3 kinds of muscle proteins are contractile proteins, [blank_start]myosin[blank_end] and [blank_start]actin[blank_end], [blank_start]regulatory proteins[blank_end], [blank_start]troponin[blank_end] and [blank_start]tropomyosin[blank_end], and structural proteins, titin and [blank_start]dystrophin[blank_end]. Titin contributes to [blank_start]elasticity[blank_end], and connects to the [blank_start]Z-discs[blank_end].- Aproduce body movements
- Bposture
- Cstoring and moving substances in the bod
- Dgenerating heat
- Eelectrical excitability
- Fcontractility
- Gextensibility
- Helasticity
- Imyosin
- Jactin
- Kregulatory proteins
- Ltroponin
- Mtropomyosin
- Ndystrophin
- Oelasticity
- PZ-discs
153 major factors of resting membrane potential are an [blank_start]unequal distribution of ions[blank_end] in ECF and cytosol, inability of [blank_start]anions[blank_end] to [blank_start]leave[blank_end] cell, and [blank_start]electrogenic nature[blank_end] of Na/K pump.
- Aunequal distribution of ions
- Banions
- Cleave
- Delectrogenic nature
16The factors that affect speed of propogation are [blank_start]amount of myelination[blank_end], [blank_start]axon diameter[blank_end], and [blank_start]temperature[blank_end].
The largest nerve fibers are [blank_start]A fibers[blank_end], and smallest are [blank_start]C fibers[blank_end].- AA fibers
- BC fibers
- Ctemperature
- Daxon diameter
- Eamount of myelination
17Graded potentials are formed in the [blank_start]dendrites/cell bodies[blank_end] of neurons. They can have [blank_start]summation[blank_end]. They are [blank_start]localized[blank_end]. Their ion channels are [blank_start]ligand-gated[blank_end] and [blank_start]mechanically-gated[blank_end]. They can be both [blank_start]hyperpolarizing[blank_end] and [blank_start]depolarizing[blank_end].
Action potentials occur in the [blank_start]trigger zones[blank_end] and travel down [blank_start]axons[blank_end]. They cannot summate due to their [blank_start]refractory period[blank_end]. Their ion channels are [blank_start]voltage-gated[blank_end]. They always have a [blank_start]depolarizing[blank_end] phase, followed by a [blank_start]repolarizing[blank_end] phase.- Adendrites/cell bodies
- Bsummation
- Clocalized
- Dligand-gated
- Emechanically-gated
- Fhyperpolarizing
- Gdepolarizing
- Htrigger zones
- Iaxons
- Jrefractory period
- Kvoltage-gated
- Ldepolarizing
- Mrepolarizing
18Differences in touch have to do with frequency of action potentials being sent up the sensory neurons.
- AVerdadero
- BFalso
192 major advantages of electrical synapses are [blank_start]faster communication[blank_end] and [blank_start]synchronization[blank_end]. AP's pass through [blank_start]gap[blank_end] junctions.
Chemical synapses are hindered by a [blank_start]synaptic delay[blank_end].- Asynaptic delay
- Bfaster communication
- Csynchronization
- Dgap
20When an ionotropic channel is binding excitatory NT's, it opens to allow Ca+ ions in. It is [blank_start]depolarizing[blank_end]. This is an [blank_start]EPSP[blank_end].
When it binds inhibitory NT's, it allows Cl- in, causing [blank_start]hyperpolarization[blank_end]. This is an example of [blank_start]IPSP.[blank_end]- Adepolarizing
- Bhyperpolarizing
- CEPSP
- DIPSP
- Ehyperpolarization
- Fdepolarization
- GIPSP
- HEPSP
21Neurotransmitters can be removed by [blank_start]diffiusion[blank_end], [blank_start]enzymatic degradation[blank_end], and reuptake/uptake. [blank_start]Reuptake[blank_end] is when they are taken back into presynaptic neurons. [blank_start]Uptake[blank_end] is when they are taken into the surrounding neuroglia.
- Adiffusion
- Benzymatic degradation
- CReuptake
- DUptake
22Spatial summation is:
- Asummation of PSP's at different locations at the same time.
- Bsummation of PSP's at same location but different times.
23Acetylcholine can be both excitatory and inhibitory.
- AIt is excitatory when binding to ionotropic receptors, and inhibitory when binding to metabotropic receptors. Ionotropic ACh receptors are called Nicotinic ACh receptors. Metabotropic ACh receptors are called Muscarinic ACh receptors.
- BIt is inhibitory when binding to ionotropic receptors, and excitatory when binding to metabotropic receptors. Ionotropic ACh receptors are called Nicotinic ACh receptors. Metabotropic ACh receptors are called Muscarinic ACh receptors.
24 Ionotropic ACh receptors are called [blank_start]Nicotinic[blank_end] ACh receptors. Metabotropic ACh receptors are called [blank_start]Muscarinic[blank_end] ACh receptors.
- ANicotinic
- BMuscarinic
25 Ionotropic ACh receptors are called [blank_start]Nicotinic[blank_end] ACh receptors -- they are [blank_start]depolarizing[blank_end]. They are found in the NMJ's of [blank_start]skeletal[blank_end] muscle. Metabotropic ACh receptors are called [blank_start]Muscarinic[blank_end] ACh receptors -- they are [blank_start]hyperpolarizing[blank_end]. They are found in [blank_start]cardiac[blank_end] muscle.
- ANicotinic
- Bdepolarizing
- Cskeletal
- DMuscarinic
- Ehyperpolarizing
- Fcardiac
26[blank_start]Dopamine[blank_end] helps regulate skeletal muscle tone, and is active during emotional responses.
- ADopamine
27Serotonin is involved in [blank_start]sensory perception[blank_end].
- Asensory perception
28[blank_start]Posterior[blank_end] gray horn contains the cell bodies and axons of interneurons. Anterior gray horns contain [blank_start]somatic[blank_end] motor nuclei. [blank_start]Lateral[blank_end] gray horns are only present in thoracic and upper lumbar segments, and contain [blank_start]autonomic[blank_end] motor nuclei.
- APosterior
- Bsomatic
- Cautonomic
- DLateral
293 functions of cerebrospinal fluid are: [blank_start]protection[blank_end], [blank_start]circulation[blank_end], and [blank_start]homeostasis[blank_end].
- Aprotection
- Bcirculation
- Chomeostasis
30[blank_start]Midbrain[blank_end]: tracks visual movements, scans visual fields, motor responses to visual stimuli. The [blank_start]startle[blank_end] reflex. [blank_start]Subconscious[blank_end] motor control.
- AMidbrain
- Bstartle
- CSubconscious
31[blank_start]Medulla oblangata[blank_end] is where spinal tracts cross over. Controls breathing, heart rate, and visceral reflexes.
- AMedulla oblangata
32[blank_start]Thalamus[blank_end] relays sensoryy info to cerebral cortex. Maintains consciousness.
- AThalamus
33[blank_start]Pons[blank_end] sends signals for voluntary movements. Receives sensory info about balance. Helps [blank_start]medulla[blank_end] control breathing.
- APons
- Bmedulla
Información
- Descripción
- Test sobre Sin título, creado por Aabid Mohiuddin el 28/10/2015.
- Autor
- Aabid Mohiuddin
- Idioma
- English
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