BIOS 252 COMP EXAM

BIOS 252 COMP
EXAM

, 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 - CORRECT ANSWERS-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 - CORRECT ANSWERS-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 - CORRECT ANSWERS-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 - CORRECT ANSWERS-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 - CORRECT ANSWERS-E. Chemical