HOSMERIT
BIOS 252 COMPREHENSIVE EXAM
QUESTIONS WITH ACCURATE
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 - 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 calledthe ?
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
• 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
• Exhibit elasticity - Correct answer- A. Shorten
BIOS 252 COMPREHENSIVE EXAM
QUESTIONS WITH ACCURATE
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 - 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 calledthe ?
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
• 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
• Exhibit elasticity - Correct answer- A. Shorten
