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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. Amoeba use for locomotion where the advancing cell membrane extends forward
Spongy Bone
Sarcomere
Pseudopodia
Lamellae
2. Define the boundaries of a single sacromere and anchor the thin filaments
Z line
Flexion
Temporal Summation
Absolute Refractory Period
3. Serves as the framework within all vertebrate organisms
Yellow marrow
Endoskeleton
Osteon
Muscle Contraction
4. The cavities in between the spicules are filled with yellow or red bone marrow
Spicules
Sarcoplasmic Reticulum
Extension
Axial Skeleton
5. 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
Endoskeleton
Striated Muscle
I band
6. Multinucleated cell created by the fusion of several mononucleated embryonic cell
Axial Skeleton
Fiber
Rig Mortis
Spongy Bone
7. Type of dynamic contraction where the muscle fibers shorten and the tension on the muscle increases
Bone Formation
A Band
Concentric Contraction
Compact Bone
8. Occurs whne a muscle shortens against a fixed load while the tension on that remains constant
Endochondral Ossification
Chorondytes
Flatworms
Isotonic Contraction
9. Stimulated by a message from the somatic nervous system sent via a motor neuron
Muscle Contraction
Rig Mortis
Red Marrow
Neuromuscular Junction
10. Much less dense and consists of an interconnecting lattice of bony spicules
T system
Spongy Bone
Temporal Summation
Thick Filaments
11. Point of attachment of a muscle to a stationary bone (the proximal end in limb muscles)
Origin
Creatine Phosphate and ARginine Phosphate
Tetanus
Neuromuscular Junction
12. A hard skeleton that covers all muscles and organs of some invertebrates -found principally in arthropods -composed of noncellular material secreted by the epidermis
Osteon
Exoskeleton
Creatine Phosphate and ARginine Phosphate
Pseudopodia
13. Mesenchymal (embryonic or undifferentiated) connective tissue is transformed into - and replaced by - bone
Striated Muscle
Isotonic Contraction
Skeletal Muscle
Intramembranous Ossification
14. Muscles contract against the resistance of the incompressible fluid within the animal's tissues (this fluid is termed the hydrostatic skeleton)
Flexion
Eccentric Contraction
Flatworms
Latent period
15. Large - multinucleated cells involved in bone resorption
Segmented Worms (Annelids)
Muscle Contraction
Osteoclasts
Striated Muscle
16. 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
ATP
Lamellae
Dynamic Contraction
Myofibrils
17. Cells responsible for synthesizing cartillage
Exoskeleton
Flagella
Z line
Chorondytes
18. 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
T system
Muscles in Mammals
Dynamic Contraction
19. The region containing thin filaments only
Ligaments
I band
Pseudopodia
Fiber
20. Concentric circles of bony matrix
Flexion
Lamellae
Bone Formation
I band
21. Chains of actin molecules
Creatine Phosphate and ARginine Phosphate
Thin filaments
Sarcomeres
Cardiac Muscle Fibers
22. Refers to a bending of a joint
Muscle Contraction
Concentric Contraction
Skeletal Muscle
Flexion
23. Move by beating cilia or flagella
H zone
Segmented Worms (Annelids)
Unicellular Locomotion
Myofibrils
24. 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
A Band
Extension
Compact Bone
25. State of partial contraction
T system
Tonus
Endochondral Ossification
Insertion
26. Serve as bone to bone connectors
Axial Skeleton
Z line
Temporal Summation
Ligaments
27. Muscle tissues of the heart
Neuromuscular Junction
Muscles in Mammals
Cardiac Muscle Fibers
Extension
28. Units of diveded myofibrils
Isometric Contraction
Rig Mortis
Cartilage
Sarcomeres
29. The basic framework of the body - consisting of the skull - vertebral column - and the rib cage
Axial Skeleton
Tetanus
Pseudopodia
I band
30. 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
Sarcomeres
Compact Bone
Smooth Muscle
Skeletal Muscle
31. Attach skeletal muscle to bones and bend the skeleton at the movable joints
Unicellular Locomotion
H zone
Tendons
Tonus
32. Capable of propagating an action potential and is connected to a system of transverse tubules (T system) oriented perpendicularly to the myofibrils
Intramembranous Ossification
Osteoblasts
Pyramidal System
Sarcolemma
33. Responsible for voluntary movements and is innervated by the somatic nervous system
Myofibrils
Skeletal Muscle
Pyramidal System
Flatworms
34. 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
T system
Z line
Rig Mortis
Unicellular Locomotion
35. Skeletal muscle - smooth muscle - and cardia muscle
Concentric Contraction
Segmented Worms (Annelids)
Chorondytes
Muscles in Mammals
36. Modified endoplasmic reticulum that stores calcium ions that envelop myofibrils
Sarcoplasmic Reticulum
Exoskeleton
Simple Twhich
Tonus
37. The primary source of energy for muscle contraction
Tetanus
Flexion
ATP
Osteon
38. Existing cartilage is replaced by bone
T system
Endochondral Ossification
Concentric Contraction
Insertion
39. Composed of thin and thick filaments
Cartilage
Isotonic Contraction
Bone
Sarcomere
40. Point of attachment of a muscle to the bone that moves (distal end in limb muscles)
Dynamic Contraction
Cartilage
Insertion
Thick Filaments
41. Indicates a straightening of a join
Extension
Concentric Contraction
Ligaments
Pyramidal System
42. Spans the entire length of the thick filaments and any overlapping portions of the thin filaments
Flexion
Pyramidal System
M line
A Band
43. In vertebrates and some invertebrates - particularly echinoderms - energy can be temporarily stored in a high-energy compound
Thin filaments
Origin
Red Marrow
Creatine Phosphate and ARginine Phosphate
44. Type of connective tissue that is softer and more flexible than bone -retained in adults in places where firmness and flexibility are needed
Red Marrow
Flatworms
Cartilage
Sarcomere
45. HGb-like protein found in muscle tissue -has a high oxygen affinity and maintains the oxygen supply in muscles by bind oxygen tightly
Myoglobin
Creatine Phosphate and ARginine Phosphate
Cartilage
Origin
46. Region containing thick filaments only
Sarcomeres
H zone
Smooth Muscle
Red Marrow
47. Able to provide rapid commands to the skeletal muscles and variious other organs
Exoskeleton
Pyramidal System
Cardiac Muscle Fibers
Osteon
48. Filaments embedded in fibers of muscles - which are divided into sarcomeres
Myofibrils
Tetanus
Tendons
Insertion
49. Type of dynamic contraction where the muscle fiber lengthens and the tension on the muscle increases
Spicules
Sarcomeres
A Band
Eccentric Contraction
50. After the contraction period - this is a brief relaxation period in which the muscle is unresponsive to a stimulus
Absolute Refractory Period
Temporal Summation
Flatworms
Compact Bone