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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. Multinucleated cell created by the fusion of several mononucleated embryonic cell
Tetanus
Sarcomere
Fiber
Osteoclasts
2. Point of attachment of a muscle to a stationary bone (the proximal end in limb muscles)
Origin
Extrapyramidal System
Sarcomere
Temporal Summation
3. The basic framework of the body - consisting of the skull - vertebral column - and the rib cage
M line
Osteoclasts
Compact Bone
Axial Skeleton
4. Serves as the framework within all vertebrate organisms
Compact Bone
Sarcoplasmic Reticulum
Thin filaments
Endoskeleton
5. Spans the entire length of the thick filaments and any overlapping portions of the thin filaments
Myoglobin
A Band
I band
Cartilage
6. Cells responsible for synthesizing cartillage
Flagella
Myofibrils
Chorondytes
Osteoblasts
7. Muscle tissues of the heart
Rig Mortis
Endochondral Ossification
Cardiac Muscle Fibers
Endoskeleton
8. Runs down the center of the sarcomere
Simple Twhich
Lamellae
Dynamic Contraction
M line
9. Define the boundaries of a single sacromere and anchor the thin filaments
Myoglobin
Z line
Temporal Summation
Ligaments
10. 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
Myoglobin
Temporal Summation
Simple Twhich
Endochondral Ossification
11. Filaments embedded in fibers of muscles - which are divided into sarcomeres
Tendons
Myofibrils
Endoskeleton
Isometric Contraction
12. The region containing thin filaments only
I band
Latent period
Lamellae
Osteoblasts
13. Composed of thin and thick filaments
Osteoblasts
Sarcomere
Cardiac Muscle Fibers
Ligaments
14. Refers to a bending of a joint
Sarcomere
ATP
Flexion
Muscles in Mammals
15. Chains of actin molecules
Cardiac Muscle Fibers
Thin filaments
Latent period
Striated Muscle
16. HGb-like protein found in muscle tissue -has a high oxygen affinity and maintains the oxygen supply in muscles by bind oxygen tightly
Skeletal Muscle
Myoglobin
Rig Mortis
Pyramidal System
17. Striations of light and dark bands of skeletal muscle
Striated Muscle
Flagella
Sarcoplasmic Reticulum
Sarcomere
18. Purpose is to convert lactic acid in the liver to glucose for discharge into the bloodstream during period of strenuous activity
Exoskeleton
Thin filaments
Skeletal Muscle
Cori Cycle
19. Occurs whne a muscle shortens against a fixed load while the tension on that remains constant
Isotonic Contraction
Endochondral Ossification
Skeletal Muscle
Sarcoplasmic Reticulum
20. Large - multinucleated cells involved in bone resorption
Pyramidal System
Sarcomere
Osteoclasts
Osteoblasts
21. Dense bone that does not appear to have any cavities when observed with the naked -bony matrix is deposited in structural units called osteons
Cori Cycle
Muscle Contraction
Compact Bone
Flagella
22. Skeletal muscle - smooth muscle - and cardia muscle
Muscles in Mammals
Thick Filaments
Myofibrils
Flexion
23. The cavities in between the spicules are filled with yellow or red bone marrow
Spicules
ATP
Neuromuscular Junction
Concentric Contraction
24. Involved in blood cell formation
Extension
Insertion
ATP
Red Marrow
25. Muscles contract against the resistance of the incompressible fluid within the animal's tissues (this fluid is termed the hydrostatic skeleton)
Tonus
Flatworms
Red Marrow
M line
26. Existing cartilage is replaced by bone
Endochondral Ossification
Ligaments
Temporal Summation
Smooth Muscle
27. Occurs by either endochondral ossification or by intramembranous ossification
Sarcolemma
Muscle Contraction
Bone Formation
Thin filaments
28. 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
Bone
Extension
Skeletal Muscle
Tendons
29. Concentric circles of bony matrix
Tetanus
I band
Lamellae
Osteon
30. Region containing thick filaments only
T system
H zone
Tonus
Z line
31. When fibers of a muscle are expoed to a very frequent stimuli - the muscle can't fully relax and the contractions begin to combine - becoming stronger and more prolonged
Temporal Summation
Eccentric Contraction
Absolute Refractory Period
Exoskeleton
32. Units of diveded myofibrils
Creatine Phosphate and ARginine Phosphate
Sarcomeres
Sarcomere
Sarcolemma
33. Serve as bone to bone connectors
Spongy Bone
Ligaments
Extrapyramidal System
H zone
34. Composed of organized bundles of myosin molecules
Thick Filaments
Myoglobin
Striated Muscle
Neuromuscular Junction
35. After the contraction period - this is a brief relaxation period in which the muscle is unresponsive to a stimulus
Absolute Refractory Period
H zone
Endoskeleton
Latent period
36. Indicates a straightening of a join
Spicules
Origin
Extension
Thick Filaments
37. Link between the nerve terminal (synaptic bouton( and the sarcolemma of the muscle fiber
Origin
Ligaments
Exoskeleton
Neuromuscular Junction
38. Responsible for voluntary movements and is innervated by the somatic nervous system
A Band
Cartilage
Sarcomeres
Skeletal Muscle
39. The primary source of energy for muscle contraction
Rig Mortis
Tetanus
ATP
Myoglobin
40. Amoeba use for locomotion where the advancing cell membrane extends forward
ATP
Pseudopodia
M line
Striated Muscle
41. Synthesize and secrete the organic constituents of the bone matrix; once they have become surrounded by their matrix - they mature into osteocytes
Osteoblasts
Spicules
Spongy Bone
Sarcoplasmic Reticulum
42. Inactive and infiltrated by adipose tissue
Endochondral Ossification
Yellow marrow
M line
Segmented Worms (Annelids)
43. Type of connective tissue that is softer and more flexible than bone -retained in adults in places where firmness and flexibility are needed
Rig Mortis
Lamellae
Cartilage
Spongy Bone
44. Modified endoplasmic reticulum that stores calcium ions that envelop myofibrils
Intramembranous Ossification
Sarcoplasmic Reticulum
Isometric Contraction
Extension
45. Occurs when both ends of the muscle are fixed and no change in length occurs during the contraction - but the tension increases
Creatine Phosphate and ARginine Phosphate
Tonus
Striated Muscle
Isometric Contraction
46. 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
Lamellae
Dynamic Contraction
Myoglobin
Concentric Contraction
47. Provides channels for ion flow throughout the muscle fibers - and can also propagate an action potential
T system
Extension
Tonus
Muscles in Mammals
48. Move by beating cilia or flagella
Sarcomere
Bone Formation
Unicellular Locomotion
Sarcoplasmic Reticulum
49. Capable of propagating an action potential and is connected to a system of transverse tubules (T system) oriented perpendicularly to the myofibrils
Cori Cycle
Sarcolemma
Osteoblasts
ATP
50. Attach skeletal muscle to bones and bend the skeleton at the movable joints
Latent period
Myoglobin
Exoskeleton
Tendons