BIOS 252 COMPREHENSIVE TEST PAPER
2026 QUESTIONS WITH FULL SOLUTION
GRADED A+
⩥ 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. 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
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
E. Does not represent a lever system. Answer: A. First-class lever system
⩥ The sarcoplasmic reticulum stores
A. Oxygen
B. Glycogen
C. ATP
D. Calcium ions
E. Glucose. 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
2026 QUESTIONS WITH FULL SOLUTION
GRADED A+
⩥ 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. 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
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
E. Does not represent a lever system. Answer: A. First-class lever system
⩥ The sarcoplasmic reticulum stores
A. Oxygen
B. Glycogen
C. ATP
D. Calcium ions
E. Glucose. 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
