BIOS-252 2026 ACTUAL EXAM PAPER QUESTIONS WITH SOLUTIONS GRADED A+

BIOS-252 2026 ACTUAL EXAM PAPER
QUESTIONS WITH SOLUTIONS GRADED A+


◉Which of the following helps an agonist work?


A fixator
An insertion
An antagonist
Prime mover
A synergist. Answer: A synergist


◉Which of the following is a prime mover in head flexion?


Deltoid
Sternocleidomastoid
Corrugator supercilii
Masseter
Occipitofrontalis. Answer: Sternocleidomastoid


◉Which element is important in directly triggering contraction?

,Calcium (Ca++)
Sodium (Na+)
Potassium (K+)
Chloride (Cl-)
Proteins. Answer: Calcium (Ca++)


◉Thin and thick filaments are organized into functional units called


sarcolemma
myofibrils
t-tubules
sarcomeres
myofilaments. Answer: myofilaments


◉Cardiac muscles differ from skeletal muscles in that they


contain intercalated discs
contain mitochondria
utilize aerobic metabolism
contain myofibrils
are striated. Answer: contain intercalated discs

, ◉Which connective tissue surrounds the entire muscle and
separates it from surrounding tissues?


Endomysium
Fascia
Epimysium
Epineurium
Perimysium. Answer: Epimysium


◉Match the following terms with their corresponding descriptions.


- The fundamental structural and functional unit of the nervous
system, responsible for transmitting and processing information.
- Branch-like extensions of a neuron that receive signals from other
neurons or sensory receptors.
- The main output structure of a neuron, responsible for
transmitting electrical signals away from the cell body.
- Specialized junction where a neuron communicates with another
neuron or a target cell.


- Synapse
- Neuron