Effect on force of contraction of heart is_____________?

Related Mcqs:

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

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

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

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

3. In an isotonic contraction of the muscle________________?

   A. The muscle moves a load through a distance
   B. The muscle is not able to move the load
   C. The latent period of contraction is shorter than isometric contraction
   D. The length of muscle is increased

4. 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

5. Tigered effect of heart is seen in_______________?

   A. Fatty change
   B. Hyaline change
   C. Amy
   D. Atrophy

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. The aminoglycoside with least toxic effect is_____________?

    A. Ethambutol
    B. Isoniazid
    C. Streptomycin
    D. Kanamycin