Anatomy Quiz
Preview:
The femur is a type of what bone?
A. Long
B. Short
C. Irregular
D. Flat
Sustained contraction of individual fibers, even when muscles is at rest is known as
A. Neurotransmitter
B. Muscle tone
C. Lactic acid
D. Fascicles
How many bones make up the skeleton?
A. 300
B. 200
C. 206
D. 250
Which is the odd one out?
A. Knee
B. Hip
C. Humerus
D. Ankle
Vesicles in the motor neuron store what substance
A. Neurotransmitter
B. Acetylcholine
C. Perimysium
D. Mitochondria
What is the name of the bone highlighted in red?
A. clavicle
B. pelvis
C. ribs
D. scapula
A tough but flexible tissue that acts as a buffer between the bones, preventing bones rubbing together and causing friction
A. Bursae
B. Joint Capsule
C. Synovial Fluid
D. Cartilage
What is a motor unit
A. Actin and Myosin
B. Motor neuron and muscle fiber cell
C. Epimysium
Cholinesterase is an enzyme that breaks down
A. Acetylcholine
B. Actin and Myosin
C. Actin
D. Myosin
When recruitment occurs, the number of motor units being activated
A. increase
B. decrease
C. stay the same
A sarcomere is defined as the region between two
A. Motor end plate
B. Z-lines
C. ADP and phosphate
D. Motor neuron and muscle fiber cell
What connects muscle to bone?
A. Ligament
B. Tendon
C. Cartilage
D. Joint Capsule
The energy source for muscle contraction is
A. Lactic acid
B. ATP
C. Myosin
D. Epimysium
During a muscle contraction, cross-bridges from between what two structures
A. Myosin
B. Actin and Myosin (head)
C. Actin
D. ATP
muscle fibers are made of individual fibers (NOT filaments) called
A. Stay relaxed
B. perimysium
C. myofibrils
D. actinomyosine