Introduction to Reflex Arcs Practice Problems

How are dermatomes useful in clinical practice to diagnose nerve injuries?

Which of the following conditions can be diagnosed using a somatic reflex test?

The following are examples of responses illustrating the homeostatic value of flexor responses except:

What type of spinal reflex is responsible for the body's withdrawal after touching a hot object?

Which of the following is an example of an ipsilateral reflex?

The following is the list of the events involved to produce neural reflexes through nerve impulses:

I. Sensory neuron activation

II. Motor neuron activation

III. Information Processing in the CNS

IV. Receptor activation

V. Peripheral effector response

Which of the following gives the correct sequence of these events to produce neural reflexes?

The simplest type of reflex arc in which the sensory neuron innervates a motor neuron directly is called:

The following statements describe the polysynaptic reflexes except:

Which of the following structures serves as the endpoint of the neural reflex?

Which of the following reflexes is an example of a monosynaptic reflex?

A pulled hamstring is caused by the simultaneous contraction of the quadriceps femoris and hamstring. Which of the following is the protective mechanism in our body to help prevent this injury?

John complains of severe back pain and is admitted to the hospital. On investigation, it was found that he suffered from lumbar prolapse, causing a condition known as Cauda Equina Syndrome. This neurological condition affects the bundle of nerve roots in the sacral and lumbar regions. Which of the following symptoms will be seen in John?