A. They have a modulus of elasticity twice that of gold alloys
B. They are more rigid than gold alloys
C. They have higher ductility than gold alloys
D. They have a lower proportional limit than gold alloys
Related Mcqs:
- Microstructure of cobalt chromium alloy in cast condition is______________?
A. Fibrous
B. Homogeneous
C. Inhomogenous
D. amorphous - Which of the following statements about high copper silver alloy compared to conventional alloy is not true ?
A. It has increased tensile and compressive strength
B. It has poor tarnish and corrosion resistance
C. It’s edge strength is greater
D. Mercury content in the final restoration is less - All of the following statements are true regarding cervicofacial actinomycosis, EXCEPT_____________?
A. 110-20% of actinomycosis cases occur in cervicofacial region
B. The discharging pus contains visible sulphur granules
C. Cultures on blood agar often produce a typical molar tooth morphology
D. There is usually history of trauma such as tooth extraction or a blow to the jaw - The following statements about verapamil are true except_____________?
A. It does not produce reflex tachycardia
B. It is less potent as a coronary vasodilator
C. It is contraindicated in patients with supraventicular tachycardia
D. It can cause constipation - Resistance to corrosion in a cobalt-chrome casting is due to presence of_______________?
A. High quality iron
B. Chrome
C. Cobalt
D. Nickel - Cobalt-Chrominum alloys contains_______________?
A. 30% cobalt and 60% chrominum
B. 60% cobalt and 30% chrominum
C. 1% palladium
D. 20% gold - Investment material used for cobalt-chromium alloys is_____________?
A. Gypsum bonded
B. Phosphate bonded
C. Silica bonded
D. None of the above - All of the following statements regarding pharynx are correct except_____________?
A. The opening of auditory tube is located in the lateral wall of naxopharynx
B. The soft palate is at the level of separation of nasopharynx and the oropharynx
C. The pharynx is continuous with the esophagus at the level of sixth cervical vertebrae
D. The afferent limb of the gag reflex is 10th cranial nerve; the efferent limb is IX cranial nerve - All of the following statements about pain are correct except_____________?
A. Analgesia is associated with μ and k receptors
B. Dysphoria is associated with S receptors
C. NSAIDS benefit by preventing prostaglandin synthesis
D. Naloxane is a non-competitive antagonist and irreversibly opposes the opioids - All of the following statements about opioids is correct except_____________?
A. Pentazocine and buprinorphine
B. Pentazocine shows withdrawal symptoms in opioid dependent patients
C. Partial agonists are free from classic opioid adverse effects
D. Ethomorphine is similar to pethidine chemically
