Musculoskeletal system play the role of the ?
A. Weight
B. Force
C. Fulcrum
D. Lever
E. Resistance
C. Fulcrum.
Which of the following event will occur when depolarizing
graded potential's reach the membrane of the axon Hillock,
causing its membrane potential to reach threshold?
A. Ligand-gated Ca++ channels close rapidly
B. Voltage-gated Ca++ channels open rapidly
C. Ligand-gated Na+ channels close rapidly
D. Voltage-gated Na+ channels open rapidly
E. Ligand-gated Cl+ channels close rapidly
D. Voltage-gated Na+ channels open rapidly.
The attachment of the muscles tendon to the stationary bone is
called the ?;
The attachment of the muscles other tendon to the movable bone is
called the ?
A. Origin ; action
B. Insertion ; action
C. Origin ; insertion
D. Stabilizer ; mover
E. Insertion ; origin
C. Origin ; Insertion
,Which of the following fascicular arrangements would best be described
as fascicles arranged on only one side of the tendon?
A. Unipennate
, B. Bipennate
C. Fusiform
D. Circular
E. Multipennate
A. Unipennate
Which type of synapse involves the secretion of a
neurotransmitter across the synapse to stimulate the post-synaptic
cell?
A. Mechanical
B. Nominal
C. Electrotonic
D. Processing
E. Chemical
E. Chemical
Your friend nods 'yes' to you, going through flexion, extension, and
hyper extension in their enthusiastic response. This movement at the
fulcrum represents a
A. First-classlever system
B. Second-class lever system
C. Third-class lever system
D. Fourth-class lever system
E. Does not represent a lever system
A. First-class lever system
The sarcoplasmic reticulum stores
A. Oxygen
B. Glycogen
C. ATP
D. Calcium ions
E. Glucose
D. Calcium ions
Which of the following is NOT a function of smooth muscle tissue?