Normal intrapleural pressure during the start of inspiration is _________ mm of Hg?

Related Mcqs:

1. During inspiration when the diaphragm contracts, the intrapleural pressure becomes_____________?

   A. More negative
   B. Less negative
   C. Positive
   D. Equal to the intra alveolar pressure

2. The intrapleural pressure at the end of deep inspiration is ______________?

   A. -4 mm Hg
   B. +4 mm Hg
   C. -18 mm Hg
   D. + mm Hg

3. A child’s CSF was examined I contains slightly raised or normal PMN cells, raised lymphocytes, absence of mycotic growth, value of protein is normal or above normal, glucose level is normal. The most probable diagnosis is____________?

   A. Pyogenic bacterial meningitis
   B. Viral meningitis
   C. Fungal meningitis
   D. Tuberculous meningitis

4. During the initial part of inspiration, which of the following does not occur ?

   A. Intrapulmonary pressure falls
   B. Intra thoracic pressure rises
   C. Intra-abdominal pressure rises
   D. The partial pressure of O2 in dead space rises

5. During a routine checkup a 70 year old male is found to have Serum Alkaline Phosphatase three time the upper limit of normal. Serum Calcium, Serum Phosphorous and liver function tests are normal. The most likely diagonsis is______________?

   A. Primary hyperparathyroidism
   B. Paget’s disease of the bone
   C. Osteomalacia
   D. Metastatic bone disease

6. Limitation of inspiration by vagal lung inflation signals is called the______________?

   A. Autonomic reflex
   B. Bainbridge reflex
   C. Herring – Breur reflex
   D. Dynamic stretch reflex

7. Energy expenditure during normal breathing____________?

   A. 25% – 50% of total energy spent
   B. 50% -75% of total energy spent
   C. 15% – 20% of total energy spent
   D. 2% – 3% of total energy spent

8. Inadequate pressure application during flasking_______________?

   A. Increases vertical dimension
   B. Causes teeth to be shrunken in investment
   C. Causes poor quality of colour
   D. Causes fracture of denture

9. The volume of gas in the lungs at the end of normal expiration is____________?

   A. Expiratory reserve volume
   B. Functional residual capacity
   C. Residual volume
   D. Inspiratory reserve volume

10. Vital capacity is decreased, timed vital capacity (FEV 1.0 %) is normal in______________?

    A. Bronchial asthma
    B. Scoliosis
    C. Chronic bronchitis
    D. Acute bronchitis