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Test your basic knowledge |
PCAT Biology Muscles And Locomotion
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Subjects
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pcat
,
biology
Instructions:
Answer 50 questions in 15 minutes.
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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. Occurs by either endochondral ossification or by intramembranous ossification
Tendons
Bone Formation
Sarcomeres
Skeletal Muscle
2. Muscles contract against the resistance of the incompressible fluid within the animal's tissues (this fluid is termed the hydrostatic skeleton)
Flatworms
Osteon
Endochondral Ossification
Skeletal Muscle
3. Type of dynamic contraction where the muscle fiber lengthens and the tension on the muscle increases
Isotonic Contraction
Axial Skeleton
Eccentric Contraction
ATP
4. Indicates a straightening of a join
Extension
Tonus
Latent period
Creatine Phosphate and ARginine Phosphate
5. Modified endoplasmic reticulum that stores calcium ions that envelop myofibrils
T system
Sarcoplasmic Reticulum
Tetanus
Temporal Summation
6. Synthesize and secrete the organic constituents of the bone matrix; once they have become surrounded by their matrix - they mature into osteocytes
Extension
Compact Bone
Osteoblasts
Concentric Contraction
7. Composed of thin and thick filaments
Sarcomere
Endoskeleton
Segmented Worms (Annelids)
Cori Cycle
8. Inactive and infiltrated by adipose tissue
Concentric Contraction
Cartilage
Yellow marrow
Red Marrow
9. Type of dynamic contraction where the muscle fibers shorten and the tension on the muscle increases
Concentric Contraction
Tendons
Segmented Worms (Annelids)
Origin
10. Link between the nerve terminal (synaptic bouton( and the sarcolemma of the muscle fiber
Neuromuscular Junction
ATP
Tendons
Creatine Phosphate and ARginine Phosphate
11. Attach skeletal muscle to bones and bend the skeleton at the movable joints
Tetanus
M line
Tendons
Spicules
12. Dense bone that does not appear to have any cavities when observed with the naked -bony matrix is deposited in structural units called osteons
Osteon
Compact Bone
Spicules
Fiber
13. 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
Bone Formation
Endochondral Ossification
Isotonic Contraction
Temporal Summation
14. Consists of a central microscopic channel called a Haversian Canal - surrounded by a number of lamellae
Fiber
Rig Mortis
Osteon
Latent period
15. 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
Spicules
Absolute Refractory Period
Osteoclasts
16. Purpose is to convert lactic acid in the liver to glucose for discharge into the bloodstream during period of strenuous activity
Myofibrils
Concentric Contraction
Lamellae
Cori Cycle
17. Much less dense and consists of an interconnecting lattice of bony spicules
Spongy Bone
Cori Cycle
Bone
Origin
18. 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
Compact Bone
Flexion
Pyramidal System
19. HGb-like protein found in muscle tissue -has a high oxygen affinity and maintains the oxygen supply in muscles by bind oxygen tightly
Myoglobin
Extension
Flagella
I band
20. Muscle tissues of the heart
Myoglobin
Muscle Contraction
Exoskeleton
Cardiac Muscle Fibers
21. Occurs when both ends of the muscle are fixed and no change in length occurs during the contraction - but the tension increases
Isometric Contraction
Skeletal Muscle
Osteoclasts
Bone
22. Existing cartilage is replaced by bone
Smooth Muscle
Origin
Flatworms
Endochondral Ossification
23. Serves as the framework within all vertebrate organisms
Flexion
Rig Mortis
Endoskeleton
Creatine Phosphate and ARginine Phosphate
24. Centers that can issue somatic motor commands as a result of processing performed at the unconscious - involuntary level
Bone Formation
Extrapyramidal System
Chorondytes
Bone
25. Region containing thick filaments only
Latent period
M line
Sarcomere
H zone
26. Serve as bone to bone connectors
Simple Twhich
Extrapyramidal System
Ligaments
Unicellular Locomotion
27. Responsible for involuntary actions and is innervated by the autonomic nervous system -found in the digetive tract - bladder - uterus - and blood vessel walls - among other places
Smooth Muscle
Sarcomeres
Isometric Contraction
Axial Skeleton
28. The region containing thin filaments only
Neuromuscular Junction
Cori Cycle
Muscles in Mammals
I band
29. Multinucleated cell created by the fusion of several mononucleated embryonic cell
Tendons
M line
Endoskeleton
Fiber
30. Units of diveded myofibrils
Sarcomeres
Pyramidal System
Tonus
Concentric Contraction
31. Refers to a bending of a joint
Sarcomeres
Flexion
Tendons
Spongy Bone
32. Point of attachment of a muscle to the bone that moves (distal end in limb muscles)
Spongy Bone
Insertion
Yellow marrow
Flatworms
33. The primary source of energy for muscle contraction
Sarcomere
Sarcoplasmic Reticulum
ATP
Tendons
34. The cavities in between the spicules are filled with yellow or red bone marrow
Eccentric Contraction
Spicules
Rig Mortis
Sarcomeres
35. Concentric circles of bony matrix
M line
Lamellae
ATP
Tendons
36. Time between stimulation and the onset of contraction
Muscles in Mammals
Flexion
Latent period
Myoglobin
37. Point of attachment of a muscle to a stationary bone (the proximal end in limb muscles)
Skeletal Muscle
Origin
Sarcomeres
Eccentric Contraction
38. Composed of organized bundles of myosin molecules
Lamellae
Temporal Summation
Thick Filaments
Spongy Bone
39. State of partial contraction
Endoskeleton
Fiber
Tonus
Insertion
40. Condition where the muscles contract and become rigid - even without action potentials which is caused b an absence of adenosiine triphosphate - which is required for the myosin heads to be released from the actin filaments
Rig Mortis
Endoskeleton
Bone
Thin filaments
41. 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
Segmented Worms (Annelids)
Red Marrow
Sarcomere
42. Move by beating cilia or flagella
Sarcoplasmic Reticulum
Unicellular Locomotion
Thin filaments
Intramembranous Ossification
43. The basic framework of the body - consisting of the skull - vertebral column - and the rib cage
Latent period
Axial Skeleton
Simple Twhich
Fiber
44. Skeletal muscle - smooth muscle - and cardia muscle
Muscles in Mammals
Dynamic Contraction
Osteoblasts
Unicellular Locomotion
45. Able to provide rapid commands to the skeletal muscles and variious other organs
Osteoclasts
Osteoblasts
Bone Formation
Pyramidal System
46. Filaments embedded in fibers of muscles - which are divided into sarcomeres
Myofibrils
Endochondral Ossification
Striated Muscle
Thick Filaments
47. Stimulated by a message from the somatic nervous system sent via a motor neuron
Muscle Contraction
Smooth Muscle
Myoglobin
Spongy Bone
48. Cells responsible for synthesizing cartillage
Axial Skeleton
Z line
Chorondytes
ATP
49. A hard skeleton that covers all muscles and organs of some invertebrates -found principally in arthropods -composed of noncellular material secreted by the epidermis
Z line
Cartilage
Tendons
Exoskeleton
50. 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
Exoskeleton
Creatine Phosphate and ARginine Phosphate
Simple Twhich