Chapter 1 Quiz Cscs

19 Questions | By Wrapped120 | Updated: Mar 21, 2022 | Attempts: 3168

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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
15.

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