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