WorksheetsAnatomy Lecture Midterm Final Review
Total questions: 41
Worksheet time: 14mins
____ muscle fibers spread out like a fan and pull in different directions, allowing for various different actions.
Parallel
Pennate
Circular
Convergent
A smaller muscle that assists the larger muscle responsible for producing a particular movement is a _____.
Agonist
Antagonist
Synergist
Fixator
T or F: The insertion of a muscle remains stationary as the muscle contracts.
True
False; origin
The _____ is the connective tissue that surrounds skeletal muscle fibers and stores nerves and blood vessels.
Endomysium
Perimysium
Epimysium
Periosteum
True or False: Muscle contraction is caused by interactions between the actin and myosin filaments of the sarcomere.
True
False; relaxation
What is the primary function of the multiple nuclei skeletal muscle fiber?
More efficient ATP production
Greater synthesis of muscle proteins
More DNA storage for metabolism
Greater synthesis of muscle nutrients
What is the repeating unit of striated myofibrils?
Sarcolemma
Sarcomere
Myofibril
Myofilament
True or False: The A band is the region of the sarcomere that always contains thin filaments.
True
False; I band
Stem cells within the endomysium and sarcolemma that function to repair damaged muscle tissue are ____.
Myocytes
Satellite cells
Endocytes
Sarcocytes
True or False: In the sarcomere, actin forms two twisted strands around a central rod-like protein.
True
False; myosin
When acetylcholine binds to receptors at the motor end plate, the sarcolemma becomes ____.
More permeable to sodium ions
Less permeable to calcium ions
More permeable to calcium ions
Less permeable to sodium ions
ATP binding to ___ heads causes cross-bridge detachment.
Actin
Myosin
Troponin
Tropomyosin
The contraction phase of a muscle twitch is when ...
The action potential moves through the sarcolemma
The troponin is bound to calcium
Myosin cross-bridges detachment occurs
Muscle tension exceeds the load and the muscle lifts the load
What type of contraction involves muscle fibers that do not shorten?
Concentric
Tetany
Isotonic
Isometric
True or False: Fast fibers are best adapted for prolonged contraction.
True
False; slow
Which of the following is a type of cartilaginous joint?
The knee joint
Cranial sutures
The pubic symphysis
The elbow joint
Which of the following is NOT a function of menisci?
Subdividing synovial cavities
Allowing shape variation of the articular surfaces
Channeling the flow of synovial fluid
Friction reduction and shock absorption
True or False: A gliding joint is found between the forearm bones and the wrist.
True
False; condylar
What is an example of abduction?
Turning the hand palm downward
Spreading the fingers apart
Opening the mouth
Closing the fingers together
____ increases the angle between articulating bones and ____ decreases the angle between articulating bones.
Flexion; extension
Extension; flexion
Adduction; abduction
Abduction; adduction
The articulation of the clavicles with the sternum is the ____ joint while the articulation of the clavicles with the scapulae is the ____ joint.
Sternoclavicular; acromioclavicular
Costalclavicular; sternoacromial
Acromioclavicular; sternoclavicular
Sternoacromial; costalclavicular
The head of the radius articulates with the ____.
Trochlea
Styloid process
Olecranon process
Capitulum
The ilium, ischium, and pubis fuse to form the ...
Pelvic girdle
Coxal bone
Pectoral girdle
Coccyx
True or False: The mastoid process is a point of attachment for muscles that rotate or extend the head.
True
False; coronoid
Which vertebrae allow for a wide range of head movements?
Lumbar
Thoracic
Cervical
Hyoid
Which of the following has a dens process ?
Atlas
Axis
Both the atlas and axis
The ____ of the sternum articulates with the clavicles.
Manubrium
Body
Xiphoid process
Tuberosity
What is a tuberosity?
A chamber within bone that fills with air
A smooth, grooved bone process shaped like a pulley
A small rough bump on bone where a tendon attaches
A large prominence on the side of the bone where muscles attach
What is found within the lacunae of osseous tissue?
Osteocytes
Bone marrow
Chondroblasts
Capillaries
True or False: Compact bone can withstand stresses from many different directions.
True
False; spongy
____ is the process where existing tissue is replaced by bone.
Reabsorption
Ossification
Osteoclastation
Remodeling
____ is the continuous process of tearing down and rebuilding bone matrix.
Ossification
Resorption
Remodeling
Osteolysis
A ____ fracture causes the bone to shatter.
Comminuted
Compression
Transverse
Spiral
What is the correct order of skin regeneration following an injury?
Cellular migration, inflammation, epidermis covering granulation tissue, epidermis covering scar tissue
Inflammation, cellular migration, epidermis covering scar tissue, epidermis covering granulation tissue
Inflammation, cellular migration, epidermis covering granulation tissue, epidermis covering scar tissue
A pediatrician notices that a child's bones are not developing properly. This child is probably deficient in which vitamin?
Vitamin A
Vitamin B2
Vitamin C
Vitamin D3
What within keratinocytes protects the dermal and epidermal layers of the skin from harm due to sunlight?
Sebum
Melanin
Collagen
Keratin
Which type of secretion causes the cell to burst and be destroyed?
Merocrine
Aprocine
Holocrine
Endocrine
What is the body's first response to an injury?
Regeneration
Bleeding
Fever
Inflammation
The ____ membrane produces a fluid that lubricates movable joints.
Secretory
Synovial
Sebacous
Serous
Why causes the color difference between white and brown fat?
Their anatomical location
Their maturity
The presence of blood vessels
The presence of melanin
Epithelial tissue is always attached to ____ tissue.
Muscle
Nervous
Connective
Membrane
