Terms in this set (24)
Many of the symptoms of Parkinson's disease apparently relate to:
loss of arousal in the cortex.
In Parkinson's disease, which pathway in the brain degenerates?
Substantia nigra to caudate nucleus and putamen
As an option for treating Parkinson's patients, transplantation of stem cells appears to be:
modestly effective, as with other treatments.
Most Parkinson's patients suffer depression:
as one of the symptoms of the disease.
L-dopa is most effective:
in the early to intermediate stages of Parkinson's disease.
Parkinson's disease patients, who usually have trouble walking, can walk surprisingly well when they:
are following a parade.
What is one of the main symptoms of Parkinson's disease?
Difficulty initiating movements
The psychological disorders that accompany Huntington's disease could be mistaken for which of the following?
What is the effect of MPTP?
It kills the neurons that release dopamine.
Which of the following is a limitation of using L-dopa for Parkinson's disease?
It can contribute to a greater loss of dopamine neurons.
The gene for Huntington's disease codes for a protein called:
L-Dopa, a common treatment for Parkinson's disease, is a drug that:
increases the brain's production of dopamine.
Cigarette smoking and coffee drinking ____ the risk of Parkinson's disease, and marijuana ____ the risk.
What is especially limited in a patient with Huntington's disease?
The ability to learn and improve new movements
What is the usual age of onset for Huntington's disease?
30-50 years old
The immediate cause of Parkinson's disease is the:
gradual, progressive death of neurons in the substantia nigra.
One thing that many different causes of Parkinson's disease share in common is that they:
cause damage to the mitochondria.
Parkinson's disease is caused by degeneration of a pathway of neurons that releases which neurotransmitter?
Which parts of the brain deteriorate most strongly in Huntington's disease?
The caudate nucleus, putamen, and globus pallidus
What is a common symptom of Huntington's disease?
Twitches, tremors, and writhing that interfere with voluntary movement
What characteristic of L-dopa makes it an effective treatment for Parkinson's disease?
L-dopa can cross the blood-brain barrier.
One effect of an abnormal form of the protein huntingtin on neurons is to:
prevent the release of BDNF.
The presymptomatic test for Huntington's disease enables one to predict not only who will get the disease but also:
the approximate age of onset.
Which of the following is TRUE of Huntington's disease?
The earlier the onset, the more rapid the deterioration