SiSTEMul Nervos - Test 2

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  • 1/22 întrebări

    Nervii spinali în număr de 31 de perechi, sunt senzitivi, motori şi micşti.

    • True
    • False
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Test 2

Sistemul Nervos - Test 2 - Quiz

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  • 2. 

    Trunchiul cerebral este alcătuit din bulbul rahidian, puntea lui Varolio și .......................

    Explanation
    The correct answer is "mezencefal." The question is asking for the structure that completes the list of components of the brainstem, which includes the bulbul rahidian (medulla oblongata) and puntea lui Varolio (pons). The mezencefal, also known as the midbrain, is the next structure in line, making it the correct answer.

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  • 3. 

    Fasciculele spinobulbare conduc sensibilitatea:

    • Tactila fina (epicritica)

    • Tactila grosiera (protopatica)

    • Termica

    • Dureroasa

    Correct Answer
    A. Tactila fina (epicritica)
    Explanation
    The correct answer is "tactila fina (epicritica)". This is because the spinobulbar tracts are responsible for transmitting sensory information from the body to the brain. The tract involved in transmitting fine touch (tactila fina or epicritic sensation) is the dorsal column-medial lemniscus pathway. This pathway carries information about discriminative touch, vibration, and proprioception. Therefore, the spinobulbar tracts conduct the sensation of fine touch or epicritic sensation.

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  • 4. 

    Radacina anterioara a nervului spinal are pe traiectul ei un ganglion spinal care contine neuroni senzitivi

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Radacina posterioara are pe traiectul ei un ganglion spinal care contine neuroni senzitivi.

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  • 5. 

    Stimularea sistemului nervos vegetativ simpatic are efect:

    • Coronarodilatator

    • Pupiloconstrictor (mioză)

    • Stimulator al secretiei lacrimale

    • Stimulator al secretiei pancreatice

    Correct Answer
    A. Coronarodilatator
    Explanation
    Stimularea sistemului nervos vegetativ simpatic are efect coronarodilatator, meaning it causes dilation of the coronary arteries. This leads to an increased blood flow to the heart, which is beneficial for its proper functioning.

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  • 6. 

    Stimularea sistemului nervos vegetativ simpatic are efect:

    • De cresterea diurezei

    • Cardioacelerator

    • De crestere a tonusului si motilitatii gastrice si intestinale

    • Coronaroconstrictor

    Correct Answer
    A. Cardioacelerator
    Explanation
    Stimularea sistemului nervos vegetativ simpatic are efect cardioacelerator, meaning it increases the heart rate.

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  • 7. 

    Sensibilitatea tactilă fina (epiciritica) este condusa prin fasciculele spinobulbare Goll si Burdach

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the fine touch sensitivity, also known as epicritic sensitivity, is conducted through the spinobulbar tracts called Goll and Burdach. These tracts transmit sensory information related to fine touch, pressure, and proprioception from the body to the brain. Therefore, the given answer is correct.

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  • 8. 

    Calea aferentă:

    • Face legătura între centrul nervos și efector

    • Face legătura între receptor și centrul nervos

    • Este alcătuită din neuroni de asociație

    • Este alcătuită din axonii neuronilor motori

    Correct Answer
    A. Face legătura între receptor și centrul nervos
    Explanation
    The correct answer is "face legătura între receptor și centrul nervos." This is because the afferent pathway refers to the pathway that carries sensory information from the receptors (such as those in the skin, eyes, ears, etc.) to the central nervous system (brain and spinal cord). Therefore, it connects the receptor (where the sensory information is detected) to the central nervous system (where the information is processed and interpreted).

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  • 9. 

    Nu sunt efectori în reflexele medulare:

    • Mușchii netezi

    • Mușchii striati

    • Glandele

    • Corpusculii senzitivi

    Correct Answer
    A. Corpusculii senzitivi
    Explanation
    The given question is asking for the entities that are not effectors in medullary reflexes. Effectors are the organs or tissues that respond to a stimulus and produce a specific response. In this case, muscles (both smooth and striated) and glands are effectors because they can be activated or inhibited in response to a stimulus. However, corpuscles sensitize are not effectors. They are sensory receptors that detect and transmit sensory information to the central nervous system, but they do not produce a response themselves.

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  • 10. 

    Coarnele anterioare conțin:

    • Neuroni senzitivi somatici

    • Neuroni motori somatici

    • Neuroni viscerosenzitivi

    • Neuroni visceromotori

    Correct Answer
    A. Neuroni motori somatici
    Explanation
    The anterior horns of the spinal cord contain motor neurons that are responsible for controlling voluntary movements of the skeletal muscles. These motor neurons receive signals from the brain and transmit them to the muscles, allowing us to move our limbs and perform various actions. Sensory neurons transmit information from the sensory organs to the brain, while visceromotor neurons control the involuntary movements of the visceral organs. However, in this case, the correct answer specifically refers to the motor neurons that innervate the somatic muscles.

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  • 11. 

    Coanele posterioare conțin:

    • Neuroni senzitivi somatici

    • Neuroni motori somatici

    • Neuroni viscerosenzitivi

    • Neuroni visceromotori

    Correct Answer
    A. Neuroni senzitivi somatici
    Explanation
    The correct answer is "neuroni senzitivi somatici". This is because "neuroni senzitivi somatici" refers to sensory neurons that are responsible for transmitting sensory information from the body's somatic (voluntary) structures, such as the skin, muscles, and joints, to the central nervous system. The other options, "neuroni motori somatici", "neuroni viscerosenzitivi", and "neuroni visceromotori", do not accurately describe the neurons found in the posterior horns.

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  • 12. 

    Reflexul rotulian este monosinaptic

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given statement is true. The patellar reflex, also known as the knee-jerk reflex, is a monosynaptic reflex. This means that it involves only one synapse between the sensory neuron and the motor neuron in the spinal cord. When the patellar tendon is tapped, the stretch receptors in the muscle send signals to the spinal cord, which then immediately activates the motor neuron, causing the muscle to contract and the leg to jerk. This direct pathway with no interneurons involved is what makes the patellar reflex a monosynaptic reflex.

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  • 13. 

    Calea eferentă este alcătuită din:

    • Axonii și dendritele neuronilor senzitivi

    • Axonii neuronilor motori

    • Axonii neuronilor de asociație

    • Celule gliale

    Correct Answer
    A. Axonii neuronilor motori
    Explanation
    The efferent pathway is responsible for carrying signals from the central nervous system to the peripheral nervous system and muscles. Axons of motor neurons are part of the efferent pathway as they transmit signals from the central nervous system to the muscles, allowing for movement and motor control. Therefore, the correct answer is "axonii neuronilor motori."

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  • 14. 

    Receptorii transformă  stimulul în

    Correct Answer
    impuls nervos
    Explanation
    The receptors are responsible for converting the stimulus into a nerve impulse. This means that when a stimulus is detected by the receptors, it triggers a series of electrical signals known as nerve impulses, which are then transmitted to the brain or spinal cord for processing and interpretation. In other words, the receptors play a crucial role in converting external stimuli into electrical signals that can be understood and processed by the nervous system.

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  • 15. 

    Sensibilitatea tactilă grosieră (protopatică) este condusă prin:

    • Fasciculul spinotalamic anterior

    • Fasciculul spinotalamic lateral

    • Fasciculele spinocerebeloase

    • Fasciculele spinobulbare

    Correct Answer
    A. Fasciculul spinotalamic anterior
    Explanation
    The correct answer is the fasciculul spinotalamic anterior. Sensibilitatea tactilă grosieră (protopatică) refers to the ability to perceive crude touch and pressure. This type of sensation is carried through the anterior spinotalamic tract, which is responsible for transmitting sensory information related to pain, temperature, and crude touch from the body to the brain. The other options, such as the lateral spinotalamic tract and the spinocerebellar and spinobulbar tracts, are not specifically involved in the transmission of coarse touch sensation.

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  • 16. 

    Sensibilitatea proprioceptivă constientă este condusă prin:

    • Fasciculele  spinobulbare Goll și Burdach

    • Fasciculul spinotalamic lateral

    • Fasciculele spinocerebeloase

    • Fasciculul spinotalamic anterior

    Correct Answer
    A. Fasciculele  spinobulbare Goll și Burdach
    Explanation
    The correct answer is "fasciculele spinobulbare Goll și Burdach." This is because the conscious proprioceptive sensitivity is conducted through the Goll and Burdach spinobulbar tracts. These tracts transmit sensory information from the lower limbs and trunk to the brain, specifically to the cerebellum. The spinobulbar tracts are responsible for proprioception, which is the sense of body position and movement.

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  • 17. 

    Sensibilitatea dureroasă este condusă prin fasciculul:

    • Spinotalamic lateral

    • Spinotalamic anterior

    • Spinobulbar

    • Spinocerebelos

    Correct Answer
    A. Spinotalamic lateral
    Explanation
    The correct answer is spinotalamic lateral. The spinotalamic lateral tract is responsible for conducting painful sensations from the body to the brain. It carries information about the location, intensity, and quality of pain. The other options mentioned, such as spinotalamic anterior, spinobulbar, and spinocerebelos, are not involved in transmitting painful sensations.

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  • 18. 

    Sensibilitatea termică este condusă prin fasciculul:

    • Spinotalamic lateral

    • Spinotalamic anterior

    • Spinocerebelos direct

    • Spinobulbar

    Correct Answer
    A. Spinotalamic lateral
    Explanation
    The correct answer is spinotalamic lateral. The spinotalamic tract is responsible for transmitting sensory information related to temperature and pain from the body to the brain. The lateral division of the spinotalamic tract specifically carries information about temperature sensations.

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  • 19. 

    Sistemul nervos central este alcătuit din .........................................și măduva spinării

    Correct Answer
    encefal
    Explanation
    The correct answer is "encefal". The question is asking for the components of the central nervous system, which consists of the brain (encefal) and the spinal cord (măduva spinării).

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  • 20. 

    Sistemul nervos central este alcătuit din encefal și...........................................

    Correct Answer
    măduva spinării
    Explanation
    The central nervous system is composed of the brain and the spinal cord. The brain is responsible for controlling and coordinating various bodily functions, while the spinal cord serves as a communication pathway between the brain and the rest of the body. Together, they form the central nervous system, which plays a crucial role in receiving and processing sensory information, as well as generating appropriate motor responses.

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  • 21. 

    Sistemul nervos periferic este alcătuit din ..................................... și ganglioni nervoși.

    Correct Answer
    nervi
    Explanation
    The correct answer is "nervi" because the peripheral nervous system is composed of nerves and ganglia. Nerves are bundles of fibers that transmit signals between the central nervous system and the rest of the body. Ganglia are clusters of nerve cell bodies located outside the central nervous system. Therefore, the presence of both nerves and ganglia in the peripheral nervous system supports the answer "nervi".

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  • 22. 

    Sistemul nervos periferic este alcătuit din nervi și .....................................................

    Correct Answer
    ganglioni nervoși
    Explanation
    The peripheral nervous system is composed of nerves and ganglia. Ganglia are clusters of nerve cell bodies located outside the central nervous system. They play a crucial role in transmitting and processing sensory information, as well as coordinating motor responses. Ganglia act as relay stations, allowing communication between different parts of the peripheral nervous system and the central nervous system. They are involved in various functions, such as controlling muscle movements, regulating organ function, and mediating reflexes. Therefore, ganglia are an essential component of the peripheral nervous system.

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  • Jul 22, 2024
    Quiz Edited by
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  • Oct 23, 2014
    Quiz Created by
    Profadebio
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