Question

Choose the correct option: [5×1=5]

1) Allergens can enter the body via_________.

a) Nose b) Skin c) Blood d) All of them

2) Urticaria is the scientific name for_________.

a) Eczema b) Asthma c) Hives d) Diarrhoea

3) Which organ is affected when a person suffers from laryngeal oedema______.

a) Nose b) Sinuses c) Eyes d) Airways

4) The main waste excreted through lungs in humans is

a) Oxygen b) Carbon dioxide c) Nitrogen d) Water vapour

5) Which of these is an automatic action and instantaneous movement in response to a stimulus?

a) Heartbeat b) Blood circulation c) Reflex action d) Both (b) and (c)​

Answer 1

Answer:

1.Allergens enter the body through four main routes: the airways, the skin, the gastrointestinal tract, and the circulatory system. Airborne allergens cause the sneezing, runny nose, and itchy, bloodshot eyes of allergic rhinitis (hay fever).

2.Hives, also known as urticaria, is a kind of skin rash with red, raised, itchy bumps. They may also burn or sting. Often the patches of rash move around.

3.Laryngeal edema is a common cause of airway obstruction after extubation in intensive care patients and is thought to arise from direct mechanical trauma to the larynx by the endotracheal tube [1,2]. The severity of airway obstruction due to laryngeal edema varies

4.carbon dioxide

The main waste gas excreted by the lungs is carbon dioxide, which is a waste product of cellular respiration in cells throughout the body

5.A reflex is an involuntary and nearly instantaneous movement in response to a stimulus. The reflex is an automatic response to a stimulus that does not receive or need conscious thought as it occurs through a reflex arc.

Answer 2

Answer:

1) Allergens can enter the body via skin.

2) Urticaria is the scientific name for Hives.

3) Which organ is affected when a person suffers from laryngeal oedema Airways.

4) The main waste excreted through lungs in humans is Carbon dioxide.

5) (c) Reflex action.