Anatomy & Physiology
Muscular System WebQuestKEY 40 points
Directions: Answer the following questions in dark blue or black ink using the web links located under helpful sites (on Edline).
1. (3 points) What are the 3 types of muscles? (Muscular System)
Skeletal, Cardiac, Smooth
2. (1 point) What is the section of the brain that controls cardiac muscle? (Muscular System) Medulla Oblongata
3. (2 points) Name 2 locations that smooth muscle is found in. (Muscular System)
Stomach, throat, small intestine (any organ but heart)
4. (1 point) Which of the three types of muscles contain multinucleated cells? (Muscular System) Skeletal
5. (4 points; 1 each) Define the following: (Muscular System)
Flexors: bend at joint, decreasing interior angle at joint
Extendors: unbend at joint, open angle (increase interior joint)
Abductors: take away from the body (arm moving away from body); lifting
Adductors: move toward the body (arm moving toward body); lowering
6. (1 point) What is the average weight of your body in muscles? (Gross and Cool Body) 40%
7. (1 point) Approximately how many muscles do you have? (Gross and Cool Body)
Over 630
8. (1 point) Which muscles are the busiest in the body? (Gross and Cool Body)
Eye muscles
9. (1 point) How many facial muscles are there? (Gross and Cool Body)
Over 30
10. (2 points) What is the largest muscle in the body? Where is this muscle located? (Gross and Cool Body)
Gluteus maximus; buttocks
11. (2 points) What does striated mean and which muscle type is striated? (Your Multitalented Muscles)
Striped; skeletal (cardiac has some striations)
12. (1 point) Which muscles are voluntary (you control them)? (Your Multitalented Muscles) Skeletal
13. (1 point) How are skeletal muscles held to bones? (Your Multitalented Muscles)
Tendons
14. (1 point) Which muscle helps you swing a bat or shrug your shoulders (Hint: it is shaped like a triangle)? (Your Multitalented Muscles)
Deltoid
15. (1 point) Which type of muscle controls the functions of the internal organs? (Human Body Adventures)
Smooth
16. (1 point) What are anabolic steroids? (Steroid Use)
Synthetic substances similar to the male hormone testosterone
17. (1 point) True or False Steroids have legitimate medical uses. (Steroid Use)
18. (2 points) Name 2 reasons why a doctor would prescribe steroids. (Steroid Use)
Anemia, AIDS, disease that may result in loss of lean muscle mass; (not on the website: asthma)
19. (1 point) Why are steroids called anabolic androgen steroids? (Steroid Use)
Anabolic- muscle building; androgen- increased male characteristics
20. (1 point) What is “roid rage”? (Steroid Use)
Aggressive behavior caused by excessive steroid use
21. (2 points) What is ‘stacking’? What is ‘pyramiding’? (Steroid Use)
Stacking- taking 2 or more kinds of steroids at once; Pyramiding- uses steroids in cycles of 6-12 weeks starting with low doses and slowly increasing to higher doses, then decrease the dose in the second half of the cycle.
22. (2 points) What are the risks of steroid use in BOTH males and females? (Steroid Use)
Severe acne, greasy hair, baldness & throw off the hormone balance
23. (4 points) What are the gender specific risks of steroid use (list both)? (Steroid Use)
Females: voices deepen, grow excessive facial body hair, breast size decreases and their menstrual cycle can change or stop altogether
Males: shrunken testicles, reduced sperm count, and infertility. They can also develop breasts, a condition called gynecomastia.