Question

18. Multiple sclerosis is characterized by exacerbations and remissions: a) T18. Multiple sclerosis is characterized by exacerbations and remissions: a) True b) False rue

a) True

b) False

19. AIDS is the virus that is first diagnosed and treated; HIV is the stage where there is active disease:

a) True

b) False

20. Medications usually control epileptic seizures if taken regularly:

a)true

b)false

Answer 1

18)Yes

Multiple sclerosis is an autoimmune disease that causes demyelination of the central nervous system (CNS).

This demyelinating disease of motor and sensory neurons that has periods of remissions and exacerbations.

In this disease scattered demyelination occurs in the brain and spinal cord

Degeneration of myelin sheath results in patches of sclerotic tissues and impaired conduction of motor nerve impulses.

One type of multiple sclerosis is called relapsing-remetting multiple sclerosis inwhich there flare-ups of the disease, or relapses. and between these flare-ups, there are periods of recovery, or remission.True exacerbation means the attack must last at least 24 hours and be separated from the previous attack by at least 30 days.

20) False

The term AIDS , Acquired Immuno-Defficiency Syndrome refers only to the last stage of HIV, Human imnuno-defficuency Virus infection.

Yellow fever virus discovered by Walter Reed in1901 was the first human virus discovered

. 21) Yes

Anti-Epileptic Drugs need to take every day to prevent seizures from happening. They do this by reducing the excessive electrical activity in the brain that causes seizures.Missng a dose will increases the chance of epilepsy.