Increased sympathetic innervation has what effect on blood vessels?

At your yearly physical, the doctor tests your reflexes with a small hammer.  When she taps the hammer to your knee, your quadricep muscles lengthen which causes your quadricep muscle to contract.  Which reflex was activated during this action?

Identify the structure: (The arrows are pointing to the same structure in each picture). The 2nd photo is a close-up view of the knee joint model. The patellar ligament has been reflected down. Joints 45.1.png Joints 45.2.png

Which of the following correctly describes the blood brain barrier?

Which of the following is TRUE concerning general free nerve endings?

In the picture, the arrow is pointing to which structure? spinal cord.png

Identify the structure: This picture is a close-up view of the knee joint model. The patellar ligament has been reflected down. Joints Bonus 2.png

Identify which division of the autonomic nervous system is being described.  Some answers may be used more than once or not at all.  

Norepinephrine (NE) is released from:

Which of the following structures protects the brain, but NOT the spinal cord?