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Worksheets1A03 Final Review- 2025
Total questions: 50
Worksheet time: 25mins
Which structure contains endolymph?
Scala tympani
Scala vestibuli
Cochlear duct
Round window
Rods are specialized for:
Colour vision
High-acuity vision
High-acuity vision
High-acuity vision
The fovea centralis contains mostly:
Rods
Cones
Bipolar cells
Ganglion cells only
The round window is necessary because it:
Equalizes pressure in the middle ear
Allows fluid displacement in the cochlea
Amplifies sound waves
Produces perilymph
Semicircular canals detect:
Linear acceleration
Angular (rotational) acceleration
Sound frequency
Head tilt relative to gravity
Otoliths in utricle/saccule detect:
Linear acceleration and head position
Angular movement
Sound
Temperature changes
Odorants must dissolve into mucus because:
Olfactory hairs are hydrophobic
They must be dissolved to bind chemoreceptors
They cross directly into the olfactory bulb
Mucus neutralizes toxins
Taste receptors are activated by:
Mechanoreceptors
Chemoreceptors
Thermoreceptors
Nociceptors
Anterior 2/3 of tongue taste is carried by:
CN V
CN VII
CN IX
CN X
The optic disc is the blind spot because:
Rods only
Cones only
No photoreceptors
It is covered by the lens
The tympanic membrane transmits vibrations to the:
Oval window
Stapes
Malleus
Round window
Which structure equalizes air pressure in the middle ear?
Round Window
Cochlear duct
Eustachian tube
Tympanic membrane
Aqueous humor is produced by the:
Iris
Ciliary body
Choroid
Retina
The utricle and saccule detect:
Rotation
Vibration
Linear acceleration
Colour
Which CN carries auditory information?
CN III
CN V
CN VII
CN VIII
Sympathetic division originates in:
Craniosacral region
Thoracolumbar region
Cervical region
Sacral only
Parasympathetic preganglionic neurons arise from:
T1–L2
CN III, VII, IX, X and S2–S4
C1–C5
L3-L5
Preganglionic sympathetic neurons release:
NE
ACh
E
Dopamine
The adrenal medulla releases:
ACh
NE and E
Serotonin
Histamine
Parasympathetic activation causes:
Increased HR
Pupil dilation
Increased digestion
Bronchodilation
The somatic nervous system:
Has one neuron to muscle
Has two neurons
Can inhibit skeletal muscle
Uses NE
Dual innervation means:
Organs get only sympathetic fibres
Organs get only parasympathetic fibres
Both divisions affect the same organ
Somatic and autonomic interact
Splanchnic nerves (sympathetic) travel to:
Eyes
Heart
Abdominopelvic organs
Skeletal muscle
Postganglionic sympathetic neurons commonly release:
ACh
NE
GABA
Serotonin
Terminal ganglia are found in:
Sympathetic division
Parasympathetic division
Somatic division
None of the above
The major mineral stored in bone is:
Chlorine
Potassium
Calcium
Irom
Osteoclasts function to:
Build bone
Break down bone
Produce cartilage
Form marrow
Compact bone’s functional unit is the:
Trabecula
Osteon
Lacuna
Canaliculus
What structure connects lacunae?
Trabeculae
Osteonic canal
Canaliculi
Lamellae
Which cartilage type is found at synovial joints?
Elastic
Fibrocartilage
Hylaine Cartilage
Reticular Cartilage
Red bone marrow is responsible for:
Storing fat
Temperature regulation
Blood cell formation
Producing calcium
Appositional bone growth increases:
Length
Width
Density Only
Epiphyseal Closure
Osteocytes reside in:
Lacunae
Marrow Cavities
Periosteum
Canaliculi
The occipital condyles articulate with:
C2
Atlas (C1)
C7
Temporal bone
Which vertebra has a dens?
C1
C2
T3
L5
True ribs attach to:
No cartilage
The sternum directly
The sternum via shared cartilage
Not connected to sternum at all
The glenoid cavity belongs to the:
Humerus
Scapula
Clavicle
Radius
The acetabulum is part of the:
Pelvis
Femur
Tibia
Fibula
The medial malleolus is part of the:
Fibula
Femur
Tibia
Talus
The olecranon process is part of the:
Radius
Ulna
Scapula
Humerus
A synarthrosis joint is:
Immovable
Slightly Moveable
Fully Moveable
A Cartilage-Only Joint
The shoulder is a:
Hinge joint
Ball and socket joint
Saddle joint
Pivot joint
The atlas–axis articulation is mainly a:
Hinge
Pivot
Plane
Condylar
Flexion at the elbow decreases:
Angle between radius and ulna
Angle between humerus and forearm
Tension on carpal bones
Shoulder rotation
The menisci of the knee are made of:
Hylaine Cartilage
Elastic Cartilage
Fibrocartilage
Bone
The functional unit of skeletal muscle is the:
Myofibril
Sacromere
T-tubule
Sacrolemma
Calcium in skeletal muscle binds to:
Actin
Tropomyosin
Troponin
Myosin
During contraction, the H zone:
Widens
Disappears
Doubles
Does not change
The power stroke occurs when:
ATP binds myosin
Myosin head detaches
ADP + Pi are released
Calcium is pumped into SR
A motor unit consists of:
One muscle and many neurons
One neuron and many muscle fibres
One fibre and many neurons
Only sensory neurons
