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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.
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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
Tonus
Bone Formation
Intramembranous Ossification
A Band
2. Cells responsible for synthesizing cartillage
Lamellae
Unicellular Locomotion
H zone
Chorondytes
3. Amoeba use for locomotion where the advancing cell membrane extends forward
Ligaments
Extrapyramidal System
Pseudopodia
Thin filaments
4. Inactive and infiltrated by adipose tissue
Tonus
Myofibrils
Yellow marrow
Tetanus
5. Type of dynamic contraction where the muscle fibers shorten and the tension on the muscle increases
Chorondytes
Concentric Contraction
Osteoclasts
Endochondral Ossification
6. Advance principally by the action of muscles on a hydrostatic skeleton
Segmented Worms (Annelids)
Insertion
Sarcoplasmic Reticulum
H zone
7. Serve as bone to bone connectors
Endochondral Ossification
Flagella
Ligaments
Myofibrils
8. Responsible for voluntary movements and is innervated by the somatic nervous system
Lamellae
Skeletal Muscle
Axial Skeleton
Bone Formation
9. Indicates a straightening of a join
Extension
T system
Concentric Contraction
Myoglobin
10. Able to provide rapid commands to the skeletal muscles and variious other organs
Osteoblasts
Sarcomere
Pyramidal System
Osteoclasts
11. Much less dense and consists of an interconnecting lattice of bony spicules
Segmented Worms (Annelids)
H zone
Spongy Bone
Muscles in Mammals
12. The basic framework of the body - consisting of the skull - vertebral column - and the rib cage
Axial Skeleton
H zone
Flatworms
Temporal Summation
13. Involved in blood cell formation
Osteon
Creatine Phosphate and ARginine Phosphate
Endoskeleton
Red Marrow
14. After the contraction period - this is a brief relaxation period in which the muscle is unresponsive to a stimulus
Skeletal Muscle
Isotonic Contraction
Absolute Refractory Period
Osteoclasts
15. Composed of organized bundles of myosin molecules
Thick Filaments
Simple Twhich
M line
Tetanus
16. Mesenchymal (embryonic or undifferentiated) connective tissue is transformed into - and replaced by - bone
Cartilage
Tetanus
Concentric Contraction
Intramembranous Ossification
17. Muscle tissues of the heart
Dynamic Contraction
Myofibrils
Cardiac Muscle Fibers
Striated Muscle
18. Skeletal muscle - smooth muscle - and cardia muscle
I band
Muscles in Mammals
Sarcomere
Yellow marrow
19. 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
Ligaments
Unicellular Locomotion
Latent period
Bone
20. HGb-like protein found in muscle tissue -has a high oxygen affinity and maintains the oxygen supply in muscles by bind oxygen tightly
Neuromuscular Junction
Sarcoplasmic Reticulum
A Band
Myoglobin
21. Provides channels for ion flow throughout the muscle fibers - and can also propagate an action potential
Simple Twhich
Unicellular Locomotion
Spicules
T system
22. 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
Insertion
Segmented Worms (Annelids)
Simple Twhich
Endochondral Ossification
23. Occurs when both ends of the muscle are fixed and no change in length occurs during the contraction - but the tension increases
Temporal Summation
Sarcomere
Isometric Contraction
Concentric Contraction
24. Capable of propagating an action potential and is connected to a system of transverse tubules (T system) oriented perpendicularly to the myofibrils
Sarcolemma
ATP
Endochondral Ossification
Osteon
25. Chains of actin molecules
Thick Filaments
Spongy Bone
ATP
Thin filaments
26. Runs down the center of the sarcomere
M line
Simple Twhich
I band
Fiber
27. Consists of a central microscopic channel called a Haversian Canal - surrounded by a number of lamellae
Osteon
T system
Muscles in Mammals
Flagella
28. Units of diveded myofibrils
Osteon
Sarcomeres
Isotonic Contraction
Absolute Refractory Period
29. Dense bone that does not appear to have any cavities when observed with the naked -bony matrix is deposited in structural units called osteons
Chorondytes
Sarcomere
Smooth Muscle
Compact Bone
30. Spans the entire length of the thick filaments and any overlapping portions of the thin filaments
Dynamic Contraction
Fiber
A Band
Insertion
31. Striations of light and dark bands of skeletal muscle
Neuromuscular Junction
Striated Muscle
Myoglobin
Red Marrow
32. Modified endoplasmic reticulum that stores calcium ions that envelop myofibrils
Compact Bone
Sarcoplasmic Reticulum
Rig Mortis
Eccentric Contraction
33. Multinucleated cell created by the fusion of several mononucleated embryonic cell
Fiber
Ligaments
Bone Formation
Bone
34. The primary source of energy for muscle contraction
Skeletal Muscle
Yellow marrow
Tonus
ATP
35. Occurs whne a muscle shortens against a fixed load while the tension on that remains constant
Myoglobin
Flatworms
Endochondral Ossification
Isotonic Contraction
36. 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
T system
Smooth Muscle
Striated Muscle
Fiber
37. Point of attachment of a muscle to a stationary bone (the proximal end in limb muscles)
Myofibrils
Origin
Tendons
Simple Twhich
38. Composed of thin and thick filaments
Extrapyramidal System
Sarcomere
Yellow marrow
Z line
39. 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
Osteoclasts
Red Marrow
Muscle Contraction
Dynamic Contraction
40. The region containing thin filaments only
Cori Cycle
I band
Sarcoplasmic Reticulum
Simple Twhich
41. Time between stimulation and the onset of contraction
Osteoclasts
Flatworms
Origin
Latent period
42. Existing cartilage is replaced by bone
Endochondral Ossification
Flatworms
Bone
Isometric Contraction
43. Synthesize and secrete the organic constituents of the bone matrix; once they have become surrounded by their matrix - they mature into osteocytes
Extension
Osteoblasts
ATP
Flatworms
44. Concentric circles of bony matrix
H zone
Spongy Bone
Lamellae
Dynamic Contraction
45. Link between the nerve terminal (synaptic bouton( and the sarcolemma of the muscle fiber
Endoskeleton
Striated Muscle
Cardiac Muscle Fibers
Neuromuscular Junction
46. The cavities in between the spicules are filled with yellow or red bone marrow
Axial Skeleton
Extension
Cori Cycle
Spicules
47. Refers to a bending of a joint
Chorondytes
Flexion
Neuromuscular Junction
Flagella
48. Filaments embedded in fibers of muscles - which are divided into sarcomeres
Spicules
Myofibrils
Red Marrow
Neuromuscular Junction
49. Achieve movement by means of the power stroke -a thrusting movement generated by the sliding action of microtubules
Flagella
A Band
Skeletal Muscle
Extension
50. Large - multinucleated cells involved in bone resorption
Osteoclasts
Osteoblasts
Neuromuscular Junction
Insertion