A. Hypoxia
B. Hypercapnia
C. Acidosis
D. Stretching of airways
Related Mcqs:
- Reversal lines which may be seen on the cribriform plate (alveolar bone proper) of the alveolar process indicate the cessation of____________?
A. Osteoblastic activity
B. Osteoclastic activity
C. Myeloid activity
D. Healing activity - What effect does hyperventilation have on the oxygen binding affinity of hemoglobin ?
A. P50 and oxygen affinity decrease
B. P 50 and oxygen affinity increase
C. P 50 decreases and the oxygen affinity increases
D. P50 increase and the oxygen affinity decreases - Alveolar O2 tension is______________?
A. Increased by hyperventilation
B. Decreased by hyperventilation
C. Similar to venous O2 tension
D. Not affected by respiratory depression - The alveolar ventilation in an individual with tidal volume: 600 ml, dead space 150 ml and respiratory rate of 15/ minute is_____________?
A. 2.5 lit/Min
B. 4.0 lit /Min
C. 6.75 Lit/Min
D. 9 Lit/Min - During inferior alveolar nerve block the needle of LA syringe is penetrated into parotid gland which of the following structure is most likely to be penetrated_____________?
A. Lingual nerve
B. Lingual artery
C. Internal carotid artery
D. External carotid artery - In which of the following areas is the alveolar process the thinnest_____________?
A. Lingual to the maxillary central incisors
B. Buccal to the mandibular central incisors
C. Lingual to the maxillary canines
D. Lingual to the mandibular first molar - Which of the following groups of fibres are not attached to alveolar bone ?
A. Transseptal
B. Horizontal
C. Oblique
D. Apical - Alveolar bone proper is also known as: or Which of the following is seen as lamina dura in an IOPA radiograph ?
A. Lamina lucida
B. Lamina densa
C. Lamina propria
D. Lamina dura - Which of the following features are of naso alveolar cyst_______________?
A. An avoid shaped radiolucency above the lateral incisor and canine teeth
B. Erosion of base above lateral incisor and canine teeth
C. An inverted funnel shaped radiolucent lesion above the roots of lateral incisor and canine teeth
D. A pear shaped radiolucent lesion between roots of lateralincisor and canine teeth - Hormones, which stimulate spermatogenesis, are______________?
A. Insulin and glucagon
B. Thyroxine and parathormone
C. A.D.H. and Oxytocin
D. Testosterone and F.S. H