Question

a . How does lead and mercury poisoning affect the body.

b. List and discuss the several types of hepatitis.

c . Give the disease progression (pathophysiology) of hepatitis.

d. What are the signs and symptoms of hepatitis.

e .What is toxic or non viral hepatitis.

Answer 1

1a) Lead is a metal which is poisonous When exposed to it can harm the Lody causing serious health issues. in children as well as in adults In children it damages the brain, affects the growth and development Probleme in learning and behaviour (poor performance in school) In adult Increased Blood pressures Headache poor memory, anaemia Kidney disease infertility (both in male and female).

Mercury is a metal which is toxic to human when it enters into the environment. When mercury vapours are inhaled it affects the brain and nervous system. | Renal failure Intestinal ulceration, pior disease. It affects almost all body parts Minansata disease. It is caused due to the consumption of contaminated fish and shell fish. The causative agentis mercury equick silves). It is also known as chisso - Minamita disease affects the central nervous. Mete System.

- lib Types of hepatitis Hepatitis caused by virus. The other types of hepatitis include Lautoimmune hepatitis and toxic cox)_ non- Viral hepatitis caused by tosins con drugs. Hepatitis → inflammation Livex -> Inflammation of livex. Viral hepatitis is classified into 5 typese Hepatitis N epatitis A virus Hepatitis Hepatitis Hepatitis Hepatitis B Virus cvirus Dvirus E virus

Hepatitis - Source of virus Idepatitis A feces Feces Fecal-oral Route of transmission fecal-oral Possibility of Chronic infection No No Vaccine Available No Hepatitis Hepatitis Hepatitis Source of Blood and virus body fluids. Percutaneous Route of transmission permucosal possibility of yest -chronic infection

Vaccine Hepatitis Aepatitis Deposits D Available Not Available

f) Disease progression | Healthy Acute inflammation Liver - Chronic inflammation (severe livex damegel Cirrhosis Chiven) cancer. Failure I Liver transplant Death

sea dy Signs and symptome_include i Jaundice (yellowing of eyes and fühl vomiting (or) nausea ti) Stook.com) feces will be light-colored (iv) Fever (Mild) ( Fatigue (tired) (vi) Dark urine (vi) Loss of appetite (Not feeling hungry). in Stomach ache

ten Tomic (on) non- Viral hepatitis Inflammation of liver by vixus is called Vira'I hepatitis Inflammation of liver caused by the tonins, drug (on) chemical Substances which are harmful is known as toxiclor) non-viral hepatitis. Autoimmune hepatitis is also non viral hepatitis.