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Test your basic knowledge |
PCAT Biology Muscles And Locomotion
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Subjects
:
pcat
,
biology
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. In vertebrates and some invertebrates - particularly echinoderms - energy can be temporarily stored in a high-energy compound
Simple Twhich
Creatine Phosphate and ARginine Phosphate
Eccentric Contraction
Osteoclasts
2. Purpose is to convert lactic acid in the liver to glucose for discharge into the bloodstream during period of strenuous activity
Myofibrils
Cori Cycle
ATP
Segmented Worms (Annelids)
3. The response of a single muscle fiber to a brief stimulus at or above the threshold stiulus - and consists of a latent period - a contraction period - and a relaxation period
Bone Formation
Rig Mortis
Simple Twhich
Myoglobin
4. Point of attachment of a muscle to a stationary bone (the proximal end in limb muscles)
Intramembranous Ossification
Origin
Endoskeleton
Red Marrow
5. Synthesize and secrete the organic constituents of the bone matrix; once they have become surrounded by their matrix - they mature into osteocytes
Eccentric Contraction
Osteoclasts
Spongy Bone
Osteoblasts
6. Stimulated by a message from the somatic nervous system sent via a motor neuron
Muscle Contraction
Eccentric Contraction
T system
Pseudopodia
7. Muscles contract against the resistance of the incompressible fluid within the animal's tissues (this fluid is termed the hydrostatic skeleton)
Flatworms
Bone
Cartilage
Chorondytes
8. Attach skeletal muscle to bones and bend the skeleton at the movable joints
Smooth Muscle
Bone Formation
Tendons
Absolute Refractory Period
9. Large - multinucleated cells involved in bone resorption
Osteoclasts
Red Marrow
Ligaments
Cartilage
10. Time between stimulation and the onset of contraction
Myoglobin
Latent period
Tetanus
Osteon
11. Define the boundaries of a single sacromere and anchor the thin filaments
Dynamic Contraction
Z line
Endoskeleton
Striated Muscle
12. Existing cartilage is replaced by bone
Endochondral Ossification
I band
Z line
Extrapyramidal System
13. The region containing thin filaments only
Thick Filaments
I band
Neuromuscular Junction
Simple Twhich
14. Responsible for voluntary movements and is innervated by the somatic nervous system
Absolute Refractory Period
Skeletal Muscle
Myofibrils
Endoskeleton
15. Type of connective tissue that is softer and more flexible than bone -retained in adults in places where firmness and flexibility are needed
T system
Cartilage
Tendons
M line
16. Contraction that becomes continuous when the stimuli are so frequent that the muscle can't relax and is stronger than a simple twith of a single fiber
Tetanus
Cartilage
Flexion
Osteoclasts
17. Type of dynamic contraction where the muscle fibers shorten and the tension on the muscle increases
Concentric Contraction
Chorondytes
Skeletal Muscle
Intramembranous Ossification
18. Units of diveded myofibrils
T system
Osteoclasts
Eccentric Contraction
Sarcomeres
19. Multinucleated cell created by the fusion of several mononucleated embryonic cell
Compact Bone
Fiber
Osteoclasts
Chorondytes
20. Consists of a central microscopic channel called a Haversian Canal - surrounded by a number of lamellae
Flatworms
Sarcolemma
Muscles in Mammals
Osteon
21. Concentric circles of bony matrix
Thick Filaments
Lamellae
Isometric Contraction
T system
22. Composed of thin and thick filaments
Muscle Contraction
Exoskeleton
H zone
Sarcomere
23. State of partial contraction
Tonus
Bone Formation
Pyramidal System
Sarcolemma
24. Muscle tissues of the heart
Sarcomeres
Intramembranous Ossification
Cardiac Muscle Fibers
H zone
25. Type of dynamic contraction where the muscle fiber lengthens and the tension on the muscle increases
Spongy Bone
Eccentric Contraction
A Band
Bone Formation
26. Advance principally by the action of muscles on a hydrostatic skeleton
Pseudopodia
Segmented Worms (Annelids)
Flagella
Endochondral Ossification
27. The primary source of energy for muscle contraction
Chorondytes
Tetanus
ATP
Striated Muscle
28. Provides channels for ion flow throughout the muscle fibers - and can also propagate an action potential
T system
Extension
Bone Formation
Tetanus
29. Composed of organized bundles of myosin molecules
Tetanus
Ligaments
Exoskeleton
Thick Filaments
30. Includes both concentric and eccentric types of contractions -results in the chang in length of the muscle with a corresponding change in tension on that muscle
Dynamic Contraction
Pseudopodia
Segmented Worms (Annelids)
Osteoblasts
31. Capable of propagating an action potential and is connected to a system of transverse tubules (T system) oriented perpendicularly to the myofibrils
Unicellular Locomotion
T system
Osteoclasts
Sarcolemma
32. Dense bone that does not appear to have any cavities when observed with the naked -bony matrix is deposited in structural units called osteons
Latent period
A Band
Rig Mortis
Compact Bone
33. Move by beating cilia or flagella
Muscles in Mammals
Chorondytes
Unicellular Locomotion
Osteoblasts
34. Runs down the center of the sarcomere
M line
Muscle Contraction
Skeletal Muscle
ATP
35. Serve as bone to bone connectors
Pyramidal System
Muscle Contraction
Bone Formation
Ligaments
36. The basic framework of the body - consisting of the skull - vertebral column - and the rib cage
Compact Bone
Osteon
Axial Skeleton
Simple Twhich
37. Indicates a straightening of a join
Tonus
Extension
Intramembranous Ossification
Osteon
38. Occurs when both ends of the muscle are fixed and no change in length occurs during the contraction - but the tension increases
Tonus
Ligaments
Concentric Contraction
Isometric Contraction
39. Involved in blood cell formation
Red Marrow
Bone
Cori Cycle
Temporal Summation
40. Modified endoplasmic reticulum that stores calcium ions that envelop myofibrils
Pseudopodia
Spicules
Dynamic Contraction
Sarcoplasmic Reticulum
41. Chains of actin molecules
Thin filaments
Fiber
Muscles in Mammals
T system
42. Able to provide rapid commands to the skeletal muscles and variious other organs
Pyramidal System
Bone Formation
Insertion
Extension
43. Region containing thick filaments only
Extrapyramidal System
I band
Sarcolemma
H zone
44. Amoeba use for locomotion where the advancing cell membrane extends forward
Latent period
Pseudopodia
Flagella
Flatworms
45. Cells responsible for synthesizing cartillage
Osteoblasts
Chorondytes
Yellow marrow
Thick Filaments
46. Specialized type of mineralized connective tissue that has the ability to withstand physical stress -designed for body support -hard and strong while - at the same time somewhat elastic and lightweight
Extrapyramidal System
Bone
T system
Dynamic Contraction
47. Occurs by either endochondral ossification or by intramembranous ossification
Eccentric Contraction
Exoskeleton
Bone Formation
Concentric Contraction
48. Striations of light and dark bands of skeletal muscle
Insertion
Myoglobin
Tetanus
Striated Muscle
49. HGb-like protein found in muscle tissue -has a high oxygen affinity and maintains the oxygen supply in muscles by bind oxygen tightly
Lamellae
Muscle Contraction
Myoglobin
Red Marrow
50. Point of attachment of a muscle to the bone that moves (distal end in limb muscles)
Neuromuscular Junction
Cartilage
Insertion
Intramembranous Ossification