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WorksheetsJoints & Muscle Cells
Total questions: 12
Worksheet time: 7mins
In this articulation, adjoining bones are interlocking via jagged edges and indentations.
symphysis
serrate suture
syndesmoses
lap (squamous) suture
This fibrous connective tissue allows teeth to move slightly under the stress of chewing.
synarthrosis
syndesmoses
gomphoses
periodontal ligament
Synovial joints:
Are covered in fibrocartilage
Vary in mobility
Are separated by lubricating synovial fluid
Are enclosed in a fibrous joint capsule
This joint has a ring of fibrocartilage, is stabilized by the biceps brachii, and is supported by four principal ligaments.
humeroradial
tibiofemoral
glenohumeral
coxal
Lucy has been experiencing pain, stiffness, swelling, redness, and reduced range of motion in her fingers and back. Her inflamed joints lead us to believe that she is affected by...
(a)
This joint primarily functions as a hinge, articulates at the tibiofemoral and patellofemoral joints, and contains two C-shaped cartilages.
ankle
hip
jaw
knee
A bundle of actin and myosin myofilaments within a muscle cell is called a...
(a)
Muscle cells must have all of the following properties except _________ to carry out their function.
conductivity
extensibility
autorhythmicity
contractility
A feature found in skeletal and cardiac muscle but lacking from smooth muscle is/are...
sarcomeres
dense bodies
sarcoplasmic reticulum
myosin
A feature found in smooth muscle but lacking from cardiac muscle is/are...
gap junctions
intercalated discs
dense bodies
T tubules
Smooth muscle cells have _________, whereas skeletal muscle fibers do not.
thin myofilaments
thick myofilaments
ACh receptors
dense bodies
Unitary smooth muscle cells can stimulate each other because they have...
calcium pumps
diffuse junctions
tight junctions
gap junctions
