Here is one more set of 15 MCQs for you to see how far you are familiar with the interesting topic muscles.
1. Which of these musles will contract only if stimulated by neurons (a) skeletal (b) smooth (c) cardiac (d) all of these
2. Which of these types of muscles are involuntary? (a) skeletal (b) smooth (c) cardiac (d) smooth & cardiac
3. In skeletal muscle, the thick myofilaments of myosin are always surrounded by how many thin filaments of actin (a) 6 (b) 4(c) 2 (d) 10
4. The same scientist who discovered the cold receptors in skin has discovered in the muscles (a) I band (b) Z line (c) A band (d) H zone
5. Each sarcomere in skeletal muscle includes (a) one I band and the two half-A bands on either side.( (b) one A band and one I band side by side. (c) one A band and the two half-I bands on either side.(d) two A bands and two I bands
6. Which muscles receive supply of blood from coronary arteries (a) skeletal (b) smooth (c) cardiac (d) smooth & cardiac
7. Which is the protein found only in the smooth muscle cells of blood vessels? (a) actin (b) troponin (c) myosin (d) vimentin
8. Which organ shows the biggest of smooth muscles? (a) stomach (b) aorta (c) uterus (d) ureters
9. Which of these eye defects is due to unequal length of controlling muscles? (a) cataract (b) myopia (c) astigmatism (d) strabismus
10. What we sometimes call a "goose bump" is due to contraction of the muscles (a) buccinator (b) orbicularis oris (c) arrector pili (d) panniculus carnosus
11.Which of these have smooth muscles? (a) vocal cords (b) blood vessels (c) diaphragm (d) none of these
12. Which part of our ears has skeletal muscles - the (a) outer (b) middle (c) inner (d) none of these
13. How many extraocular muscles move the eye (a) 7 (b) 4 (c) 6 (d) 2
14. Human tongue is made of (a) skeletal muscles (b) smoooth muscles (c) special type of skeletal (d) cardiac
15. This muscle is a superficial strap like muscle. It is named as (a) arrector pili (b) diaphragm (c) rectus abdominis (d) deltoid
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