20: Reflexes Drag each label into the appropriate category to designate which reflex is described by the following terms or structures Stretch reflex Tendon organs are the receptors Marked by removal of the body segment from injurious elements Involve ipsilateral excitation of extensors and inhibition of flexors Initiated by excessive force in the tendon Initiated by an increase in muscle length Involve ipsilateral excitation of agonists and inhibition of antagonists Muscle spindles are the receptor Marked by actions to stabilize the limb opposite of injurious agents Involve contralateral excitation of extensors and inhibition of flexors Flexor reflex Crossed-extensor reflex Tendon reflex
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Madhur L.
90. The ____ reflex complements the flexor reflex by activating contralateral muscles. A. Stretch B. Tendon C. Flexor D. Crossed extensor E. Reciprocal 91. The flexor reflex A. Prevents a muscle from overstretching B. Prevents a muscle from generating damaging tension C. Moves a limb away from a painful stimulus D. Usually depends on cranial neurons E. Is an example of a monosynaptic reflex 92. From the following statements, which one is not a reason a reflex response may fail during a clinical assessment? A. The person may consciously suppress the response B. The nerves may be damaged C. The person may be elderly and no longer have any reflexes D. The CNS may be damaged E. There may be nerve conduction problems 93. Which of the following are true about a positive Babinski reflex? A. Normal in newborns B. Abnormal in adults C. A sign of injury to descending spinal tracts D. Flaring of the toes when the sole is stroked E. All of the above are true.
Adi S.
Match each characteristic to the type of reflex arc it belongs to. Involves skeletal muscle Somatic reflex Involves glands or organs [Choose] Somatic reflex arc Somatic reflex Visceral reflex arc Visceral reflex May involve an interneuron in the spinal cord Involves two efferent nerves to the effector [Choose] The stretch reflex is an example [Choose]
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