Chapter 1 Quiz Cscs
19 Questions
| Total Attempts: 2599
Structure and Function of the Muscular, Neuromuscular, Cardiovascular, and Respiratory Systems
Questions and Answers
- 1.What is the fibrous connective tissue that covers the outside of muscle?
- A.
Epimysium
- B.
Perimysium
- C.
Endomysium
- D.
Sarcolemma
- 2.______ is the thick structural protein in the sarcomere.
- A.
Actin
- B.
Myosin
- C.
Z-line
- D.
Sarcolemma
- 3.The myosin head attaches to the actin allowing a ___________ to form.
- 4.Muscle fibers that have slow contraction and relaxation speeds and are small in diameter
- A.
Type I
- B.
Type IIa
- C.
Type IIb
- D.
Type II x
- 5._________________ is the conscious appreciation of the position of body parts with respect to gravity.
- 6.What body system is responsible for transport of nutrients, removal of waste, and body regulation?
- A.
Respiratory
- B.
Cardiovascular
- C.
Muscular
- D.
Neurovascular
- 7.The ________ valve is between the right atrium and the right ventricle
- 8.In an Electrocardiogram the __________ is generated by changes in electrical potential of cardiac muscle cells that depolarize the atria and result in atrial contraction.
- A.
P-wave
- B.
QRS Complex
- C.
T-wave
- 9.In an Electrocardiogram the __________ is generated by the electrical potential ventricles repolarize.
- A.
P wave
- B.
QRS Complex
- C.
T wave
- 10._______ rapidly transport blood pumped FROM the heart, they have strong, muscular walls.
- 11._______ function to exchange oxygen, fluid, nutrients, electrolytes, hormones, and other substances between the blood and the interstitial fluid in the various tissues of the body.
- A.
Arteries
- B.
Arterioles
- C.
Capillaries
- D.
Veins
- E.
Venules
- 12.The transport of oxygen is accomplished by __________ in the red blood cells
- 13.Gas exchange in the respiratory system occurs at the __________.
- 14.
![What is A - ProProfs]( "What is A")
What is A - 15.
![What is B - ProProfs]( "What is B")
What is B - 16.The _________ is the intrinsic pacemaker, where rhythmic electrical impulses are normally initiated.
- A.
Sinoatrial Node
- B.
Atrioventricular Node
- C.
Atrioventricular Bundle
- D.
Purkinje Fibers
- 17.The 's function is to store and release Calcium ions to regulate muscle contractions.
- A.
Endoplasmic Reticulum
- B.
Myosomial Ribosome
- C.
Endomysium
- D.
Sarcoplasmic Reticulum
- 18.Proprioceptors that respond to stretch and are located in tendons near the musculotendinous junction are know as .
- 19.is a convergence of smaller contractions in order to create a steady contraction.
- A.
Tetanus
- B.
Twitch
- C.
Slow Twitch
- D.
Negative potential
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