During a procedure called a lumbar puncture,CSFsurrounding the meringues is withdrawn with a needle. a. This procedure generally is performed between L3 and L5.why do you think the fluid is withdrawn here rather than from higher up in the vertebral column?(hint:think about the structure and location of spinal cord b.often,the sampled CSF is tested for bacteria or virus if a brain infection is suspected.why would CSF sampled from the spinal cord give you information about the condition of the brain? c.would you withdraw CSF if the needle were accidentally inserted in to the epidural space instead of the subarachnoid space ?why or why not?

Patricia Savon is 34 years old. She has come to the clinic because of a general feeling of weakness and some difficulty walking. She also has had problems with her vision. When you bring Patricia to the examining room, she asks you to leave the door open because she is afraid of being shut inside. The physician does a physical examination on Patricia and orders some diagnostic tests. A possible diagnosis for Patricia is multiple sclerosis. 1. The fear that Patricia experiences is known as _______________. 2. Understanding Patricia’s fears, what type of nuclear imaging test will be ordered for her? 3. Patricia wants to know how nuclear imaging works; she is afraid of radiation. Explain to her how imaging devices work. 4. What additional instructions and information can you give Patricia regarding the test? 5. Are there other imaging tests that could be ordered for Patricia?

A patient was brought to the emergency department by ambulance with two arrow wounds. One arrow is still on the patient on the left side; entering anterioy between the 7th and 8th ribs in a 15 degree angle, the arrow head protruding pisterioy. The second wound is located in the posterior cervical triangle. describe the autonomic nervous system and explain how the patient's ANS reacts to the arrow and how it will affect the patients viral signs

Put the following in the correct order from the spinal cord ventral horn. Drag and drop options into correct order and submit. For keyboard navigation... SHOW MORE ✓ III III III III Mixed spinal nerve Ventral axons Effectors on anterior portion of the body Ventral roots Ventral ramus