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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. Purpose is to convert lactic acid in the liver to glucose for discharge into the bloodstream during period of strenuous activity
Cori Cycle
Bone Formation
Tendons
Tonus
2. Large - multinucleated cells involved in bone resorption
Fiber
Extension
Tetanus
Osteoclasts
3. The primary source of energy for muscle contraction
Extension
Flatworms
Tendons
ATP
4. In vertebrates and some invertebrates - particularly echinoderms - energy can be temporarily stored in a high-energy compound
Extrapyramidal System
Creatine Phosphate and ARginine Phosphate
Sarcolemma
M line
5. Skeletal muscle - smooth muscle - and cardia muscle
Extrapyramidal System
Insertion
Osteon
Muscles in Mammals
6. 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
Endoskeleton
Pseudopodia
Tetanus
I band
7. The region containing thin filaments only
Myofibrils
Cori Cycle
I band
Dynamic Contraction
8. HGb-like protein found in muscle tissue -has a high oxygen affinity and maintains the oxygen supply in muscles by bind oxygen tightly
Yellow marrow
Smooth Muscle
Myoglobin
Compact Bone
9. Type of dynamic contraction where the muscle fiber lengthens and the tension on the muscle increases
Eccentric Contraction
Thin filaments
Unicellular Locomotion
Pseudopodia
10. Region containing thick filaments only
Tendons
H zone
Cardiac Muscle Fibers
Segmented Worms (Annelids)
11. Filaments embedded in fibers of muscles - which are divided into sarcomeres
Myofibrils
Compact Bone
Osteon
Extension
12. Consists of a central microscopic channel called a Haversian Canal - surrounded by a number of lamellae
Sarcoplasmic Reticulum
Osteon
Red Marrow
Temporal Summation
13. Centers that can issue somatic motor commands as a result of processing performed at the unconscious - involuntary level
Eccentric Contraction
Flatworms
Chorondytes
Extrapyramidal System
14. A hard skeleton that covers all muscles and organs of some invertebrates -found principally in arthropods -composed of noncellular material secreted by the epidermis
Axial Skeleton
Myofibrils
Cartilage
Exoskeleton
15. Move by beating cilia or flagella
Sarcolemma
Fiber
Unicellular Locomotion
Sarcomere
16. 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
Endoskeleton
Lamellae
Fiber
Smooth Muscle
17. Mesenchymal (embryonic or undifferentiated) connective tissue is transformed into - and replaced by - bone
Spongy Bone
Intramembranous Ossification
Sarcomeres
Muscle Contraction
18. Spans the entire length of the thick filaments and any overlapping portions of the thin filaments
A Band
Insertion
Muscle Contraction
Spicules
19. Point of attachment of a muscle to the bone that moves (distal end in limb muscles)
Skeletal Muscle
Muscles in Mammals
Insertion
Bone
20. Amoeba use for locomotion where the advancing cell membrane extends forward
Myoglobin
Spicules
Bone Formation
Pseudopodia
21. Advance principally by the action of muscles on a hydrostatic skeleton
Absolute Refractory Period
Tendons
I band
Segmented Worms (Annelids)
22. Occurs when both ends of the muscle are fixed and no change in length occurs during the contraction - but the tension increases
Bone
Insertion
M line
Isometric Contraction
23. Able to provide rapid commands to the skeletal muscles and variious other organs
Cardiac Muscle Fibers
Neuromuscular Junction
Pyramidal System
Tonus
24. Achieve movement by means of the power stroke -a thrusting movement generated by the sliding action of microtubules
Flagella
T system
Latent period
Insertion
25. Multinucleated cell created by the fusion of several mononucleated embryonic cell
Fiber
Sarcomeres
Axial Skeleton
T system
26. Provides channels for ion flow throughout the muscle fibers - and can also propagate an action potential
T system
Sarcomere
Creatine Phosphate and ARginine Phosphate
Concentric Contraction
27. 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
Tonus
Absolute Refractory Period
Dynamic Contraction
Sarcomere
28. Composed of thin and thick filaments
Sarcomere
Unicellular Locomotion
Sarcomeres
Isotonic Contraction
29. The basic framework of the body - consisting of the skull - vertebral column - and the rib cage
H zone
Flagella
Muscles in Mammals
Axial Skeleton
30. Inactive and infiltrated by adipose tissue
Ligaments
Yellow marrow
Axial Skeleton
Creatine Phosphate and ARginine Phosphate
31. Capable of propagating an action potential and is connected to a system of transverse tubules (T system) oriented perpendicularly to the myofibrils
Sarcolemma
Myofibrils
Bone Formation
Yellow marrow
32. Indicates a straightening of a join
Tendons
Extension
Segmented Worms (Annelids)
Osteoblasts
33. Existing cartilage is replaced by bone
Endochondral Ossification
Temporal Summation
Exoskeleton
Thin filaments
34. Synthesize and secrete the organic constituents of the bone matrix; once they have become surrounded by their matrix - they mature into osteocytes
Tetanus
Bone
Red Marrow
Osteoblasts
35. The cavities in between the spicules are filled with yellow or red bone marrow
Tendons
Spicules
H zone
Cartilage
36. Striations of light and dark bands of skeletal muscle
Compact Bone
Flagella
Striated Muscle
Smooth Muscle
37. Units of diveded myofibrils
Sarcomeres
I band
Flagella
Muscle Contraction
38. Define the boundaries of a single sacromere and anchor the thin filaments
Myofibrils
Intramembranous Ossification
Fiber
Z line
39. Link between the nerve terminal (synaptic bouton( and the sarcolemma of the muscle fiber
Yellow marrow
Extrapyramidal System
Neuromuscular Junction
Tendons
40. Type of connective tissue that is softer and more flexible than bone -retained in adults in places where firmness and flexibility are needed
H zone
Extension
Muscle Contraction
Cartilage
41. Concentric circles of bony matrix
Exoskeleton
A Band
Dynamic Contraction
Lamellae
42. Chains of actin molecules
Sarcolemma
Thin filaments
Latent period
Yellow marrow
43. Type of dynamic contraction where the muscle fibers shorten and the tension on the muscle increases
Temporal Summation
Concentric Contraction
Thin filaments
Thick Filaments
44. Dense bone that does not appear to have any cavities when observed with the naked -bony matrix is deposited in structural units called osteons
Compact Bone
Isotonic Contraction
Endoskeleton
Sarcomere
45. Modified endoplasmic reticulum that stores calcium ions that envelop myofibrils
Latent period
Sarcoplasmic Reticulum
Osteoblasts
Sarcomere
46. Stimulated by a message from the somatic nervous system sent via a motor neuron
Flagella
Muscle Contraction
Fiber
Sarcomere
47. State of partial contraction
Creatine Phosphate and ARginine Phosphate
Tonus
Dynamic Contraction
Chorondytes
48. Much less dense and consists of an interconnecting lattice of bony spicules
Cardiac Muscle Fibers
Neuromuscular Junction
Spongy Bone
Segmented Worms (Annelids)
49. 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
Concentric Contraction
Osteoclasts
Segmented Worms (Annelids)
50. Serve as bone to bone connectors
I band
Smooth Muscle
Ligaments
Pseudopodia