Exam 12: The Spinal Cord, Spinal Nerves, and Spinal Reflexes

After age ________ the vertebral column continues to elongate, but the spinal cord itself does not.

________ reflexes activate skeletal muscles.

The ________ of each spinal nerve innervates the skin and muscles of the back.

If the dorsal root of a spinal nerve is severed,

What is the function of the structure labeled "14"?

The specific strip of skin that is innervated by a specific spinal nerve is called a(n) ________.

Mary is in an automobile accident and suffers a spinal cord injury. She has lost feeling in her lower body. Her doctor tells her that swelling is compressing a portion of her spinal cord. Which part of her cord is likely to be compressed?

In the condition ________, a virus infects dorsal root ganglia, causing a painful rash whose distribution corresponds to that of the affected sensory nerves as seen in their dermatomes.

As the ________ nerve approaches the knee, it divides into two branches, the fibular nerve and the tibial nerve.

The white matter of the spinal cord contains

Spinal interneurons inhibit antagonist motor neurons in a process called

The spinal cord consists of five regions and ________ segments.

The specialized membranes that surround the spinal cord are termed the

Figure 12-1 The Spinal Cord Use Figure 12-1 to answer the following questions: -Identify the structure labeled " 1."

The tough, fibrous, outermost covering of the spinal cord is the

Reflexes that activate muscles on the opposite side of the body as the stimulus are called ________.

Tina falls while climbing a tree and lands on her back. Her frightened parents take her to the emergency room, where she is examined. Her knee-jerk reflex is normal and she exhibits a plantar reflex (negative Babinski reflex). These results suggest that

Cerebrospinal fluid flows within the

The ventral rami of spinal nerves C4 to T1 contribute fibers to the ________ plexus.

The flexor reflex