Apnea immediately after opening the trachea is due to

UK PLAB 1
#1

  1. Apnea immediately after opening the trachea is due to:
    a. Rise of the blood carbon dioxide level.
    b. Rise of the blood O2 level.
    c. Wash of the blood carbon dioxide level.
    d. Non of the above.

  2. Which is true about laryngeal carcinoma:
    a. Commoner in males.
    b. The commonest type is squamous cell carcinoma.
    c. Is predisposed by smoking.
    d. All of the above.

  3. Inhaled smooth small FB is commonly arrested in:
    a. The larynx.
    b. The trachea.
    c. The right bronchus.
    d. The left bronchus.

  4. 30 years old female suffring form bilateral nasal obstruction, crusty nose,
    hoarseness of voice & stridor. The most probable cause is:
    a. Allergic rhinitis.
    b. Vasomotor rhinitis.
    c. Rhino laryngo scleroma.
    d. Acute rhinosinusitis.

  5. The left recurrent laryngeal nerve swing in the chest around:
    a. Aortic arch.
    b. Left main bronchus.
    c. Left ventricle.
    d. Thoracic duct