In an isotonic contraction of the muscle________________?

Related Mcqs:

1. Mylohyoid muscle________________?

   A. Arises from hyoid bone
   B. developed from second pharyngeal arch
   C. Depresses the hyoid
   D. Elevates the hyoid

2. Calcium ions triggers muscle contraction by binding to ___________________?

   A. Actin
   B. Myosin
   C. Troponin
   D. Tropomyosin

3. Effect on force of contraction of heart is_____________?

   A. Chronotropic effect
   B. Dromotropic effect
   C. Bathmotropic
   D. Ionotropic effect

4. The hormone , which stimulates uterus contraction and lets down milk, is_____________?

   A. Progesterone
   B. Prolactin
   C. Prostaglandin
   D. Oxytocin

5. Peristalsis involves coordinated contraction and relaxation______________?

   A. Above and below the food bolus
   B. Lateral and medial to food bolus
   C. Dorsal and ventral to food bolus
   D. None of the above

6. Which of the following is correct arrangement of impression material regarding linear contraction in ascending order ?

   A. Addition silicone < polyether < polysulfide < condensation silicone
   B. Addition silicone < polysulfide < Polyether < condensation silicone
   C. condensation silicone < polyether < polysulfide < Addition silicone
   D. condensation silicone < polysulfide < polyether < Addition silicone

7. Linear contraction of elostomeric impression with passage of time is highest in______________?

   A. Addition silicone
   B. Polysulphide
   C. Polyetner
   D. Condensation silicone

8. The contraction of gold alloy on solidifying is approximately_____________?

   A. 0.4%
   B. 1.4%
   C. 2.4%
   D. 3.4%

9. Important components of collagen synthesis, wound strength and contraction include all of the following EXCEPT ?

   A. Fibroblasts
   B. Myofibroblasts
   C. Vitamin C
   D. Vitamin D

10. Succinyl choline acts to block neuromuscular transmission by_______________?

    A. Inhibiting cholinesterase
    B. Inhibiting the CNS
    C. Depolarizing the motor end plate of skeletal muscle
    D. Blocking the release of acetyl choline at the end plate