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BIOS 252 COMP EXAM Questions and Answers with
Verified Solutions
When compared to a classic lever system, the synovial joints of
our Musculoskeletal system play the role of the _________?
A. Weight
B. Force
C. Fulcrum
D. Lever
E. Resistance - ANSWER 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
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E. Ligand-gated Cl+ channels close rapidly - ANSWER 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 - ANSWER 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
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E. Multipennate - ANSWER 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 - ANSWER 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-class lever system
B. Second-class lever system
C. Third-class lever system
D. Fourth-class lever system
BIOS 252 COMP EXAM Questions and Answers with
Verified Solutions
When compared to a classic lever system, the synovial joints of
our Musculoskeletal system play the role of the _________?
A. Weight
B. Force
C. Fulcrum
D. Lever
E. Resistance - ANSWER 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
,2|Page
E. Ligand-gated Cl+ channels close rapidly - ANSWER 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 - ANSWER 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
, 3|Page
E. Multipennate - ANSWER 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 - ANSWER 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-class lever system
B. Second-class lever system
C. Third-class lever system
D. Fourth-class lever system
