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.

For the first part ,you will complete the following table by filling in the appropriate information with a brief description in your own words.  You should use color coded text to highlight features that are shared between the different muscle tissue types.

Choose two of the following conditions and describe the pathology of that condition in your own words. You should specifically relate that condition to one of the features noted in the table above

Myasthenia gravis

Hypertrophic cardiomyopathy

Polio

Botulism

Myotonic dystrophy

does the time it takes for sensory adaptation to occur seem to vary with the substances tested.

Complete the table for the motion analysis of the Recovery phase of the rowing exercise movement.

Complete the table for the movement analysis of the Drive phase of the rowing stroke.

Doing a packet for physiology lab. The lab is titled Sensory Lab. we are suppose to use our own eye sight( mine is 20 20 vision with pretty good-average. both eyes are 0/ 0.

Questions asked:

1. explain the process of activating a sensory neuron

2. What is the anatomical basis for the blind spot

3. where was your tactile discrimination the best? what can you say about the density of tactile receptors on your arm?

4. what happened when you placed your hands from the hot and cold water to the lukewarm water? why do you think this happened?

5. What can you say about the distribution of the different types of taste receptors?

6.What is the primary difference between fast pain and slow pain?

a) Is there any physical connection between hepatic portal vein and hypophyseal portal vein? I need images and source of info please.

b) a list of medications with major side effects of nose bleeding ?