SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
PCAT Biology Muscles And Locomotion
Start Test
Study First
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. Link between the nerve terminal (synaptic bouton( and the sarcolemma of the muscle fiber
Unicellular Locomotion
M line
Lamellae
Neuromuscular Junction
2. The basic framework of the body - consisting of the skull - vertebral column - and the rib cage
Segmented Worms (Annelids)
Thick Filaments
A Band
Axial Skeleton
3. Time between stimulation and the onset of contraction
Latent period
Isotonic Contraction
Thick Filaments
Muscle Contraction
4. Advance principally by the action of muscles on a hydrostatic skeleton
Flagella
Pyramidal System
Segmented Worms (Annelids)
Fiber
5. Multinucleated cell created by the fusion of several mononucleated embryonic cell
Spicules
Fiber
Sarcolemma
Insertion
6. Mesenchymal (embryonic or undifferentiated) connective tissue is transformed into - and replaced by - bone
Cardiac Muscle Fibers
Compact Bone
Intramembranous Ossification
Osteoclasts
7. Amoeba use for locomotion where the advancing cell membrane extends forward
Lamellae
Osteon
Myofibrils
Pseudopodia
8. Involved in blood cell formation
Osteoclasts
Red Marrow
Isotonic Contraction
Eccentric Contraction
9. Refers to a bending of a joint
Sarcomeres
Red Marrow
Osteon
Flexion
10. The primary source of energy for muscle contraction
ATP
Pyramidal System
M line
Isometric Contraction
11. 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
Yellow marrow
Rig Mortis
Insertion
Simple Twhich
12. State of partial contraction
Spicules
Tonus
Tendons
Exoskeleton
13. Able to provide rapid commands to the skeletal muscles and variious other organs
Thick Filaments
Muscles in Mammals
Pyramidal System
Yellow marrow
14. Synthesize and secrete the organic constituents of the bone matrix; once they have become surrounded by their matrix - they mature into osteocytes
Myoglobin
Osteoblasts
Tetanus
Cori Cycle
15. Composed of organized bundles of myosin molecules
Thick Filaments
Osteon
Simple Twhich
Insertion
16. Muscle tissues of the heart
Cardiac Muscle Fibers
Axial Skeleton
Pseudopodia
Endoskeleton
17. 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
Dynamic Contraction
Creatine Phosphate and ARginine Phosphate
Neuromuscular Junction
Bone
18. Indicates a straightening of a join
Extension
Flagella
Smooth Muscle
Neuromuscular Junction
19. Serves as the framework within all vertebrate organisms
Intramembranous Ossification
ATP
Endoskeleton
Segmented Worms (Annelids)
20. Point of attachment of a muscle to a stationary bone (the proximal end in limb muscles)
Cori Cycle
Bone Formation
Sarcomeres
Origin
21. Define the boundaries of a single sacromere and anchor the thin filaments
Spongy Bone
Chorondytes
Absolute Refractory Period
Z line
22. After the contraction period - this is a brief relaxation period in which the muscle is unresponsive to a stimulus
Absolute Refractory Period
A Band
Flexion
Endoskeleton
23. Occurs by either endochondral ossification or by intramembranous ossification
Myofibrils
Rig Mortis
Fiber
Bone Formation
24. Occurs when both ends of the muscle are fixed and no change in length occurs during the contraction - but the tension increases
Unicellular Locomotion
I band
Myofibrils
Isometric Contraction
25. Provides channels for ion flow throughout the muscle fibers - and can also propagate an action potential
M line
T system
Cori Cycle
Isometric Contraction
26. Attach skeletal muscle to bones and bend the skeleton at the movable joints
Flagella
Concentric Contraction
Tendons
I band
27. Striations of light and dark bands of skeletal muscle
Z line
A Band
Bone Formation
Striated Muscle
28. 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
Yellow marrow
Sarcomeres
Smooth Muscle
Osteoclasts
29. Type of dynamic contraction where the muscle fiber lengthens and the tension on the muscle increases
Eccentric Contraction
Striated Muscle
Tonus
Ligaments
30. Inactive and infiltrated by adipose tissue
Yellow marrow
T system
Z line
Unicellular Locomotion
31. Existing cartilage is replaced by bone
Endochondral Ossification
Striated Muscle
Isometric Contraction
Muscles in Mammals
32. Point of attachment of a muscle to the bone that moves (distal end in limb muscles)
Insertion
Flexion
Isometric Contraction
I band
33. Muscles contract against the resistance of the incompressible fluid within the animal's tissues (this fluid is termed the hydrostatic skeleton)
Skeletal Muscle
Cartilage
Flatworms
Spicules
34. Filaments embedded in fibers of muscles - which are divided into sarcomeres
Compact Bone
Muscles in Mammals
Myofibrils
A Band
35. Dense bone that does not appear to have any cavities when observed with the naked -bony matrix is deposited in structural units called osteons
Sarcolemma
Compact Bone
Flexion
Muscle Contraction
36. 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
Exoskeleton
Concentric Contraction
Temporal Summation
Lamellae
37. Purpose is to convert lactic acid in the liver to glucose for discharge into the bloodstream during period of strenuous activity
Cori Cycle
Spicules
Muscle Contraction
Unicellular Locomotion
38. Spans the entire length of the thick filaments and any overlapping portions of the thin filaments
Unicellular Locomotion
A Band
Sarcoplasmic Reticulum
Segmented Worms (Annelids)
39. Cells responsible for synthesizing cartillage
I band
Thick Filaments
Chorondytes
Cardiac Muscle Fibers
40. Move by beating cilia or flagella
Myoglobin
Pyramidal System
Tetanus
Unicellular Locomotion
41. Modified endoplasmic reticulum that stores calcium ions that envelop myofibrils
Dynamic Contraction
Lamellae
Sarcoplasmic Reticulum
H zone
42. 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
Pyramidal System
Creatine Phosphate and ARginine Phosphate
Simple Twhich
Myoglobin
43. Much less dense and consists of an interconnecting lattice of bony spicules
Spongy Bone
Dynamic Contraction
Sarcoplasmic Reticulum
I band
44. Region containing thick filaments only
H zone
Bone
Isometric Contraction
Rig Mortis
45. The cavities in between the spicules are filled with yellow or red bone marrow
Tonus
Lamellae
Rig Mortis
Spicules
46. Type of dynamic contraction where the muscle fibers shorten and the tension on the muscle increases
Eccentric Contraction
Intramembranous Ossification
Spicules
Concentric Contraction
47. HGb-like protein found in muscle tissue -has a high oxygen affinity and maintains the oxygen supply in muscles by bind oxygen tightly
Myoglobin
Tetanus
Insertion
Temporal Summation
48. Skeletal muscle - smooth muscle - and cardia muscle
Osteoclasts
Muscles in Mammals
Extension
Spicules
49. Units of diveded myofibrils
Cardiac Muscle Fibers
Unicellular Locomotion
Sarcomeres
Endochondral Ossification
50. 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
Neuromuscular Junction
Z line
Osteon
Tetanus