Question

Please Answer all questions ( true OR false)

1. The trachea connects the naso-oral opening with the lungs. ( true/ false)

2. A reaction between RBC and oxygen will produce deoxygenated blood. ( true/ false)

3. Endocrine glands are ductless glands. ( true/ false)

4. The function of the fibrinogen is for blood clotting. ( true/ false)

5. The common immunoglobulins are: IgA, IgB, IgD, IgG & IgM. ( true/ false)

6. The mandible is also called the upper jaw. ( true/ false)

7. When B cells encounter antigens and produce antibodies against them, this is called Active humoral immunity. ( true/ false)

8. Another name of the digestive system is the elementary canal. ( true/ false)

9. The mouth of adults is also called the buccal cavity which contains 32 pairs of teeth for food maceration. ( true/ false)

Answer 1

1) True - Trachea connects naso- oral opening with lungs via larynx.

2)False

Explanation - A reaction between oxygen and RBC would produce oxygenated blood.

3) True

Explanation - Endocrine glands are ductless and they secretes their secretions directly into bloodstream.

4)True - fibrinogen helps in clotting in bleeding.

5)False

Explanation - The five common immunoglobulin are IgG , IgA , IgM , IgE , IgD.

6)False

Explanation - The mandible is also called as lower jaw .

7)True - When B cells encounter antigens and produce antibodies against them, this is called Active humoral immunity.

8)False

The another name of digestive system is alimentary canal.

9)False -

Explanation - The adults have only 32 teeth not 32 pair of teeth.