Question

True or False · ________ 1. HIV can be transmitted through saliva. · ________

2. In autoimmunity, the body’s immune system attacks itself. · ________

3. Some medications used to prevent or cure some diseases can cause immunodeficiency · ________

4. Diseases related to the aging process are called regenerative disorders. · ________

5. All congenital disorders are easily recognized at birth. · ________

6. Heart and brain cells are easily injured by hypoxia. · ________

7. Heredity does not affect the aging process. · ________

8. Cellular death occurs only in the event of hypoxia.

Answer 1

1.HIV is a deadly infection which has no cure so far.It can be transmitted through contaminated fluids and blood or its products when it comes with direct contact to a open injury in the body. The saliva is the only fluid where HIV virus cannot live on it or survive. Therefore HIV cannot spread through saliva.

Ans:False.

2.Autoimmunity refers to a state where the body's immune system attacks their own body .This condition is called as autoimmune disease

Ans:True

3.According to research the use of certain medications to treat a condition or cure it can suppress the immune system. For example in renal transplantation, in order to prevent rejection Prednisone is administered. This drugs generally reduces the immunity of a person causing immune deficiency .Cancer drugs can cause it.

Ans:True

4.Regenerative disease are one which has the capability to regrow and rectify the fault and treat the disease by self. This is possible rarely 8n young adults but not in oldage as the process of regeneration is reduced and increasing the chance for degenerative diseases

Ans:False.

5.Only 2 to 3 percent of congenital birth defects can be recognized at birth and others can be found in the later stage as the child grows

Ans:False

6.Hypoxia refers to decreased oxygen supply to the cells .The immediate organ affected by this is brain and heart.When the body does not receive adequate oxygenation for about three minutes these two organs are highly affected,Usually if it lasts more than that it can lead to irreversible brain function loss.

Ans:True

7. Heriditary plays an important role in the the ageing process.Tge transfer of certain Gene's,mutation from generation after generation can affect the ageing of an individual

Ans:True

8.Cellular death can occur in different way ,one by natural cell dying way ,secondly by any medical conditions or disease altering the cell and leading to death, cell injury .In simple by apoptosis and necrosis of cell.

Ans:False