Can someone explain the properties of dopamine and how it is an excitatory and inhibitory neurotransmitter all at once? What role does it play in Parkinson's Disease and how is it produced (chemically)?

Answer & Explanation:

Whether dopamine is excitatory or inhibitory depends on the type of effect on the target neuron, on the type of receptor on the surface of the neuron membrane, and on how the neuron responds to an increase or decrease in concentration of cAMP levels in specific. Studies have shown that symptoms of Parkinson's disease develop in patients with an 80% or more loss of dopamine-producing cells in the basal region. Normally, dopamine works in a delicate balance with other neurotransmitters to help coordinate the millions of nerve and muscle cells involved in movement. People with Parkinson's disease have involuntary or uncontrolled movements, such as tremors, stiffness, and difficulty with balance and coordination that are thought to be caused by a lack of dopamine balance.

Ethan is a middle-aged man. His waist circumference measurement of 45 inches places him at a ______ risk for chronic, obesity-related diseases.

A person consuming a diet deficient in dairy products but otherwise adequate, would have the most difficulty obtaining sufficient amounts of which vitamin?

What causes the crystallization within the synovial fluid that causes acute, painful inflammation of the joint in gouty arthritis

On the advice of friends, a client on a palliative care unit has requested acupuncture. What it is the goal of this form of CAM

1) What factors are important in choosing a medication, route of admission, and the dose for a patient?
2) why do hospitals use saline solutions to hydrate patients instead of distilled water?

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_______ of the pupils is associated with the use of drugs that block acetylcholine transmission, such as belladonna.

What does ED stand for

You are a forensic pathologist working on a new case. You soon realize that the victim is your neighbor. You immediately call your friend to discuss what has happened. Describe a legal/ethical issue that could arise from informing your friend about the new case you are working on? (Hint: Think about HIPAA)

A high risk of weight-related health problems is seen in women whose waist circumference begins to exceed ____.

A newborn is observed in the nursery with periodic episodes of not breathing. This is called:

An imperative geneticist is a researcher who studies the DNA of one species to apply it to another.
O True
O False

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Olivia is a veterinary parasitologist who is studying a recent outbreak of giardia among beavers in a Colorado river. Since this is the first time she has seen beavers with this type of protozoa, Olivia is attempting to trace where they contracted it. After extensive testing, it is found that human sewage was leaking from a treatment plant nearby. This sewage contained the giardia protozoa, and the beavers picked it up in the nearby waters. Olivia now writes a research paper concerning this case in order to reclassify giardia. After her investigations, into what category is Olivia MOST likely hoping to place these protozoa in?
Group of answer choices

zoonoses

anthroponosis

ectoparasites

helminths

To meet the recommendations necessary for health benefit, you need to engage in moderate intensity running for a minimum of:

The most common form of cancer in women is ________ cancer; the most common cause of cancer death in women is ________.

two anatomical regions of the uterus.

Fructose produces a slower rise in blood sugar after consumption because

when i hit my forehead with the palm of my hand, i am hitting the:
A. Frontal Bone.
B. Occipital Bone.
C. Parietal Bone.
D. Temporal Bone.

1. Which is false?

a. Urine is normally clear and yellow or amber in color
b. Urine normally has an ammonia odor
c. Micturition usually occurs before going to bed and upon
awakening
d. A person normally voids 1500 mL a day

Discuss what a forensic pathologist would be looking for when he examines the head and brain of a victim.

Individuals on anticoagulant drugs such as Warfarin should be careful and maintain a consistent intake of ____________ to prevent any potential bleeding in case of cuts or injuries.

A likely danger from long-term use of steroids includes __________. A. life-threatening leukemia B. extremely dry skin leading to a severe skin condition known as shingles C. stomach cancer D. liver diseases such as jaundice and cancerous tumors

Beta-carotene, vitamin E, and vitamin C seem to be protective against certain forms of cancer. What do they have in common

what do you believe are the equity issues in how mental health is treated?

Parents share that their toddler often needs a snack in between meals. Which snack choice is nutritious enough to give the toddler energy but also may help prevent dental caries

The Dietary Guidelines recommend limiting added sugars intake to less than ______ of total calories.

the Pediatric nurse provides one-on-one education regarding burn prevention in fire safety to the parents of a toddler client. which parental statement requires the nurse to provide further

Sodium intake should be limited to ______ or less for those who are age 51 and older and those of any age who are African American or have high blood pressure.

per fluid ounce instant will have __ mg of caffeine while beans will have ___ mg

The type of traction in which a pin, wire, tongs, or other device is surgically inserted through a bone is:

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As the Black Death spread up the Italian peninsula, into France, Germany, and further north, people alive in the 1300s felt that there was little they could do to protect themselves. What option might have been open to England and Scotland that the rest of Europe could not take advantage of?

England and Scotland are on an island so they could have closed their shores to ships.

England and Scotland had access to scientists who should have found a medicine.

England and Scotland have cold, wet environments that should have killed the bacteria.

England and Scotland had access to wool that could be used to create masks.