BIOS 252 COMP EXAM UPDATED
ACTUAL Exam Questions and CORRECT
Answers
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 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
E. Ligand-gated Cl+ channels close rapidly - CORRECT 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 - CORRECT 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
E. Multipennate - CORRECT 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 - CORRECT 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
E. Does not represent a lever system - CORRECT ANSWER - A. First-class lever system
, The sarcoplasmic reticulum stores
A. Oxygen
B. Glycogen
C. ATP
D. Calcium ions
E. Glucose - CORRECT ANSWER - D. Calcium ions
Which of the following is NOT a function of smooth muscle tissue?
A. Altering the diameter of the respiratory passageways
B. Elevating hairs on the arm
C. Blinking the eyelid
D. Moving food materials along the digestive tract
E. Moving urine from the kidneys into the bladder - CORRECT ANSWER - C. Blinking
the eyelid
In an isometric contraction, the ,uncle develops tension but does not?
A. Shorten
B. Lengthen
C. Expend energy
D. Conduct electrical current
E. Exhibit elasticity - CORRECT ANSWER - A. Shorten
_________ is the summation of postsynaptic potentials in response to stimuli that occur at
different locations in the membrane of a postsynaptic cell at the same time
ACTUAL Exam Questions and CORRECT
Answers
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 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
E. Ligand-gated Cl+ channels close rapidly - CORRECT 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 - CORRECT 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
E. Multipennate - CORRECT 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 - CORRECT 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
E. Does not represent a lever system - CORRECT ANSWER - A. First-class lever system
, The sarcoplasmic reticulum stores
A. Oxygen
B. Glycogen
C. ATP
D. Calcium ions
E. Glucose - CORRECT ANSWER - D. Calcium ions
Which of the following is NOT a function of smooth muscle tissue?
A. Altering the diameter of the respiratory passageways
B. Elevating hairs on the arm
C. Blinking the eyelid
D. Moving food materials along the digestive tract
E. Moving urine from the kidneys into the bladder - CORRECT ANSWER - C. Blinking
the eyelid
In an isometric contraction, the ,uncle develops tension but does not?
A. Shorten
B. Lengthen
C. Expend energy
D. Conduct electrical current
E. Exhibit elasticity - CORRECT ANSWER - A. Shorten
_________ is the summation of postsynaptic potentials in response to stimuli that occur at
different locations in the membrane of a postsynaptic cell at the same time
