Chapter 10 Muscular System Flashcards
1
Q
The muscle that provides the major force for producing a specific movement is a(n) \_\_\_\_\_\_\_\_\_. A. prime mover B. antagonist C. synergist D. fixator
A
A. prime mover
2
Q
You could conclude that a muscle with the term "rectus" included in its name is a muscle whose fibers run \_\_\_\_\_\_\_\_\_ to the body's vertical axis. A. at a right angle B. obliquely C. parallel D. perpendicular
A
C. parallel
3
Q
Flexing the forearm with the biceps brachii is an example of which class of lever system? A. First class B. Second class C. Third class D. Fourth class
A
C. Third class
4
Q
When you bite down, this muscle strongly contracts. A. Lateral pterygoid B. Buccinator C. Hyoglossus D. Masseter
A
D. Masseter
5
Q
When you lie on your back, your \_\_\_\_\_\_\_\_\_ muscles contract to lift your head. A. sternocleidomastoid B. scalene C. splenius D. platysma
A
A. sternocleidomastoid
6
Q
The muscles of the \_\_\_\_\_\_\_\_\_ are rather unusual for muscles because they insert onto the skin or other muscles. A. face B. posterior thigh C. abdomen D. hand
A
A. face
7
Q
The \_\_\_\_\_\_\_\_\_ is/are the most important muscle(s) for inspiratory breathing. A. internal intercostals B. diaphragm C. scalenes D. rectus abdominis
A
B. diaphragm
8
Q
The levator ani and \_\_\_\_\_\_\_\_\_ muscles form the pelvic diaphragm. A. ischiocavernosus B. bulbospongiosus C. coccygeus D. gluteus maximus
A
C. coccygeus
9
Q
The \_\_\_\_\_\_\_\_\_ muscles include the supraspinatus, infraspinatus, teres minor, and subscapularis. A. shoulder blade B. rotator cuff C. humerus D. arm extender
A
B. rotatorcuff
10
Q
Swimmers tend to have particularly well-developed \_\_\_\_\_\_\_\_\_ muscles. A. coracobrachialis B. teresminor C. subscapularis D. latissimus dorsi
A
D. latissimus dorsi
11
Q
The \_\_\_\_\_\_\_\_\_ muscle is the most powerful muscle in the body. A. quadriceps femoris B. adductormagnus C. gracilis D. iliopsoas
A
A. quadriceps femoris
12
Q
The \_\_\_\_\_\_\_\_\_ muscles comprise the triceps surae that inserts onto the calcaneal tendon and are prime movers of plantar flexion. A. plantaris and popliteus B. soleus and tibialis anterior C. gastrocnemius and tibialis posterior D. gastrocnemius and soleus
A
D. gastrocnemius and soleus
