Search out the pathophysiology of myesthenia gravis and the reason that it leads to muscle weakness. Then search out possible treatments for the disorder and describe how they work. Try to get beyond the websites that are made for the public and search out the websites/papers that are designed for professionals. Include "mechanism of action"  in your search to help you find more appropriate sources.

Please include a source! It is a necessity!

1. Explain the specific contribution of animal models to the study of humans in science in connection with the theory of evolution.

2. A neurotransmitter released into the synaptic space can bind to postsynaptic receptors. List four other possible scenarios following the release of the neurotransmitter into the synaptic cleft.

How do things get from the neuronal cell body to the presynaptic terminal, and vice versa? Describe / explain / discuss any molecules and/or cellular structures involved

Describe the role of potassium channels in the neuronal trigger zone.

1. If a product contains 100 calories and 5 grams of fat per serving, what is the percentage of calories from fat in the product?

   	A.	35%
   	B.	45%
   	C.	5%
   	D.	20%

1 points   

QUESTION 2

1. Solid fats generally have a high proportion of what type of fatty acids?

   	A.	Saturated
   	B.	Unsaturated
   	C.	Monounsaturated
   	D.	Polyunsaturated

1 points   

QUESTION 3

1. The lifestyle management techniques recommended by the American Heart Association and the American College of Cardiology include all of the following except:

   	A.	consume a diet with more than 15% of total calories coming from saturated fat.
   	B.	limit intake of sweets and sugar-sweetened beverages.
   	C.	include low-fat dairy and nontropical vegetable oils.
   	D.	consume a diet that emphasizes fruits and vegetables.

1 points   

QUESTION 4

1. When should athletes consume a high-fat diet (approximately 60% to 70% of total calories)?

   	A.	During the 2 weeks leading up to an important training session/competition.
   	B.	During a single meal immediately prior to training/competition.
   	C.	Athletes should avoid consuming high-fat diets.
   	D.	During the 2 months leading up to an important training session/competition.

1 points   

QUESTION 5

1. Which of the following converts fats into energy?

   	A.	The phosphagen system
   	B.	The anaerobic system
   	C.	The aerobic system
   	D.	Transamination

1 points   

QUESTION 6

1. Which of the following foods naturally contains cholesterol?

   	A.	Corn oil
   	B.	Cashew nuts
   	C.	Unsalted butter
   	D.	All of these are correct.

1 points   

QUESTION 7

1. Which of the following is the acceptable macronutrient distribution range (AMDR) for fats?

   	A.	15%–35%
   	B.	10%–30%
   	C.	25%–40%
   	D.	20%–35%

1 points   

QUESTION 8

1. Which of the following lipoproteins delivers cholesterol to the cells of the body for a variety of functions?

   	A.	HDL
   	B.	LDL
   	C.	ACC
   	D.	Triglycerides

1 points   

QUESTION 9

1. Which of the following statements is true?

   	A.	Fatty meals empty more rapidly from the stomach than high-carbohydrate meals.
   	B.	In foods, fats add taste and contribute to satiety.
   	C.	Liquid oils can be made into solid fats by the process of emulsification.
   	D.	Food fat is not a source of essential nutrients.

1 points   

QUESTION 10

1. Which of the following types of blood cholesterol are considered protective against cardiovascular disease?

   	A.	LDL
   	B.	VLDL
   	C.	Total cholesterol
   	D.	HDL

You are a researcher interested in studying Schwann cell development. It is known from prior work that Schwann cells express the protein Sox10. You decide to create a transgenic fish line to label the Schwann cells. Explain how you would create the transgenic embryos. Be as detailed as possible.

SCHOOL: Medicine and Health Sciences.

DEPARTMENT: Public Health –Human Nutrition and Dietetics.

COURSE TITLE: FOOD SAFETY AND HYGIENE.

ASSIGNMENT:

Instructions: Due on 1/03/2020.                                                                             

Assignments Submitted late will NOT be marked.

1. Discuss the Role of NEMA in waste management in Kenya
   2. Describe all measures you would take to ensure safety of fresh fish from Lake Turkana before eating it for super in your house.

part 1)

What are the functions of the following organelles? (mitochondria, golgi apparatus, ribosomes, lysosomes, endoplasmic reticulum, vacuoles, centrioles, and cilia/flagella)

What is cell transport?

part2)

What are the two types of cell transport? How are they similar? How are they different?

A 25-year-old woman with type 1 diabetes comes to the emergency department complaining of thirst, frequent urination, and weakness. She feels “lightheaded” when she stands. Because of nausea and vomiting after a meal in a restaurant the previous day, she stopped eating and taking her insulin. On examination, she is dehydrated and hypotensive. Her breathing is rapid and deep. 1. Which of the following is likely to be lower than normal? a. Urinary urea levels b. Plasma levels of glucagon c. Plasma levels of free fatty acids d. Blood partial pressure of carbon dioxide e. Plasma acetoacetate levels 2. Which of the following will increase after insulin administration? a. Plasma triglyceride levels b. Plasma K+ levels c. Lipoprotein lipase activity d. Adipose tissue lipase activity e. Plasma phosphate levels For each question, please first clearly indicate which option (a, b, c, d or e) is correct and which one is wrong and then explain briefly your reasoning for each answer. For instance, you must write: "a" is a correct answer because .... "b" is a wrong answer because..... "c" is wrong because ..... :d" is wrong because ...... etc.b

The COVID-19 virus infects cells of the respiratory system. The virus spreads by moving from one cell to the next. While the virus moves from one cell to the next, it will outside of the cell temporarily and can be taken up by an antigen-presenting cell (APC) for processing and presentation. Explain how these antigens would be presented on the surface of these cells so that the immune system could react against it. What cells would recognise these antigens and why?

For each of the following four diuretics, identify what type of diuretic it is and how it works.

Indapamide:

Bumetanide:

Spirolactone:

Osmitrol:

• Pick one hormone and discuss where it is produced; name the organ and the specific cells which produce that hormone.
• What is the target organ?
• Is there a disease associated with hypo- or hyper- production of that hormone?
• In your response to others, identify some typical signs and symptoms of a hypo- or hyper- hormone condition of that hormone.