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In the patellar tendon reflex arc, the patellar ligament is stretched, which stretches the quadriceps femoris muscle of the thigh. This reflex will cause the quadriceps femoris to _________blank and the hamstrings to _________blank.Multiple Choicecontract; relaxcontract; contractrelax; contractrelax; relax

Question

In the patellar tendon reflex arc, the patellar ligament is stretched, which stretches the quadriceps femoris muscle of the thigh. This reflex will cause the quadriceps femoris to _________blank and the hamstrings to _________blank.Multiple Choicecontract; relaxcontract; contractrelax; contractrelax; relax

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Solution

The correct answer is "contract; relax". When the patellar ligament is stretched, it triggers a reflex arc that causes the quadriceps femoris muscle to contract, which extends the leg. At the same time, the hamstrings, which are the antagonistic muscles, are made to relax to allow this movement.

Similar Questions

Select all that applyChoose all the components of the patellar reflex.Multiple select question.Two interneurons in the spinal cord.A sensory neuron with stretch receptors in the quadriceps femoris muscle group.A motor neuron.A sensory neuron with pain receptors in the patella.

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Select the word or phrase from each drop-down to complete each sentence.The is a group of muscles that extend the knee and all insert on the patella.The  muscle’s action is to aid in both hip and knee flexion.The patella is connected to the tibia via the  .The  muscle is the only muscle of the quadriceps femoris group that flexes the hip.

What is the purpose of the patellar reflex?Multiple choice question.prevent too much tension on a musclehelp maintain postureremove body parts from the painful stimulus

Which muscle contains a part that splits off in the height of the patellar base and inserts as the articularis genus muscle (Musculus genus articularis) at the suprapatellar recess (Recessus suprapatellaris) of the knee joint capsule?

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