A previously 56-year-old woman comes to the emergency department because a "flu-like" illness. She complains of nausea and vomiting, unilateral tingling in the leg, and a headache involving the eye and forehead. She is alert and fully oriented. Motor, sensory, gait and coordination examinations are normal. Cranial nerve examination is normal, aside from the visual field disorder indicated in the plot below. The neurologic examination suggests an occlusion of which of the following vessels?

A previously 56-year-old woman comes to the emergency department because a "flu-like" illness. She complains of nausea and vomiting, unilateral tingling in the leg, and a headache involving the eye and forehead. She is alert and fully oriented. Motor, sensory, gait and coordination examinations are normal. Cranial nerve examination is normal, aside from the visual field disorder indicated in the plot below.

The neurologic examination suggests an occlusion of which of the following vessels?

(A) Left middle cerebral artery
(B) Left posterior cerebral artery
(C) Right middle cerebral artery
(D) Right posterior cerebral artery
(E) Posterior communicating artery

Answer: (B) Left posterior cerebral artery

Anatomy

The muscle weakness of myasthenia gravis results from
Which statement about excitation-contraction coupling is incorrect?
At rest, active sites on the actin are blocked by
A t rest, the tropomyosin molecule is held in place by
Which of the following statements about the action potential is false?
Which of the following interactions between electrical and chemical gradients does not lead to the establishment of a neuron's resting potential?
The myelin sheath that covers many CNSaxons is formed by
_____ are the most numerous type of neuron in the CNS.
Recognized neuronal circuit patterns include all of the following,except:
The layer of connective tissue that surrounds individual axons within a peripheral nerve is termed the
The postganglionic fibers that connect an autonomic ganglion in the thoracic or lumbar region with the spinal nerve and contain post ganglionic fibers that innervate glands in the body wall or limbs are:
The preganglionic fibers that connect a spinal nerve with an autonomic ganglion in the thoracic and lumbar region of the spinal cord and carries visceral motor fibers that are myelinated form the
The outermost connective- tissue covering of nerves is the
The white matter of the spinal cord is mainly
The subdural space lies between
The ventral root of a spinal nerve contains
The dorsal root of a spinal nerve contains
The dorsal root ganglia mainly contain
Which of these is NOT a function of the meniscus of the knee?
Which ligament unlocks the knee joint to allow the knee to initiate flexion?
On the proximal tibia There is cartilage covered areas on the superior surface, This surface is separated by a bony bridge, between the two menisci's, what is this structure called?
What are the bones of the knee joint?
What are the synovial joints involved with the Knee joint?
What is considered the largest most complex synovial joint in the body?
When it comes to the femur what is the difference between males and females?

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