A. Intrapulmonary pressure falls
B. Intra thoracic pressure rises
C. Intra-abdominal pressure rises
D. The partial pressure of O2 in dead space rises
Related Mcqs:
- 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 - Normal intrapleural pressure during the start of inspiration is _________ mm of Hg?
A. -2
B. -5
C. 0
D. -7 - 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 - 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 - Which of the following anomalies occur during the initiation and proliferation of tooth development ?
A. Amelogenisis imperfecta
B. Dentinogenesis imperfecta
C. Enamel hypoplasia
D. Oligodontia - Which of the following does not occur in High Copper Amalgam ?
A. Electrochemical Corrosion
B. Chemical Corrosion
C. Penetrating Corrosion
D. Corrosion does not occur at all - Primary herpetic lesions involving the gingiva are most likely to occur during ages____________?
A. 1-5 years
B. 6-12 years
C. 13-16 years
D. They are likely to occur equally at any age - Lacrimation does not occur when facial nerve injury is at_____________?
A. Geniculate ganglion
B. In semicircular canal
C. At sphenopalatine ganglia
D. At mastoid foramen - Kreb’s cycle does not occur in______________?
A. Muscle
B. RBC
C. Heart
D. All of the above - Which tumour does not occur in minor salivary gland ?
A. Pleomorphic adenoma
B. Adenocarcinoma
C. Mucoepidermoid carcinoma
D. Warthin’s tumour
