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Assertion :- Larynx is a cartilaginous b...

Assertion `:-` Larynx is a cartilaginous box which helps in sound production.
Reason `:-` Epiglottis flap covers the glottis during swallowing and prevents the entry of food into the larynx.

A

If both Assertion & Reason are True & the Reasonn is a correct explanation of the Assertion .

B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion

C

If Assertion is True but the Reason is False.

D

If both Assertion & Reason are false.

Text Solution

AI Generated Solution

The correct Answer is:
### Step-by-Step Solution: 1. **Understanding the Assertion**: - The assertion states that the larynx is a cartilaginous box that helps in sound production. - The larynx is indeed made up of various types of cartilage, which gives it a box-like structure. - It houses the vocal cords, which vibrate to produce sound when air passes through them. 2. **Evaluating the Reason**: - The reason provided states that the epiglottis flap covers the glottis during swallowing, preventing food from entering the larynx. - This is true; the epiglottis acts as a flap that covers the glottis (the opening of the windpipe) when swallowing, directing food into the esophagus instead. 3. **Determining the Truth of Both Statements**: - Both the assertion and the reason are correct statements. - The larynx does help in sound production, and the epiglottis does prevent food from entering the larynx during swallowing. 4. **Assessing the Relationship Between Assertion and Reason**: - While both statements are true, the reason does not explain the assertion. - The function of the epiglottis is related to swallowing and protecting the airway, but it does not clarify how the larynx produces sound. 5. **Conclusion**: - Therefore, we conclude that both the assertion and the reason are true, but the reason is not a correct explanation of the assertion. ### Final Answer: - **Assertion**: True - **Reason**: True - **Explanation**: The reason does not correctly explain the assertion.
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The entry of food into the larynx is prevented by :

During swallowing of food which of the following structures prevent the entering of food into the glottis ?

Knowledge Check

  • Which of the following structures close the glottis during swallowing to prevent the entry of food wind pipe

    A
    Tongue
    B
    Epiglottis
    C
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    D
    Larynx

  • Read the following four statement carefully. (i) Ventral respiratory group of neurons of medulla oblongata can cause both inspiration and expiration. (ii) The part of the respiratory system starting with the external nostrils up to the terminal bronchioles constitutes the respiratory or exchange part of the respiratory system. (iii) During swallowing epiglottis can be covered by a thin elastic cartilaginous flap called glottis to prevent the entry of food into the larynx. (iv) Binding of oxygen with haemoglobin in primarily related of oxygen with haemoglobin is primarily related to partial prssure of O_(2) . Which of the above two statement are correct ?

    A
    `(ii)` and `(iii)`
    B
    `(iii)` and `(iv)`
    C
    `(i)` and `(ii)`
    D
    `(i)` and `(iv)`

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    A
    If both assertion and reason are true and reason is the correct explanation of assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion
    C
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    D
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    Which statements are correct ? (A) During inspiration intra pulmonary pressure is less than the atmospheric pressure. (B) During expiration diaphragm contract. (C) Epiglottis is bony flap which prevent entry of food into the larynx. (D) During forceful expiration abdominal muscles contract.

    How does the epiglottis prevent foods and liquids from entering the larynx?

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