Biology Seminar Info Flashcards
What is a force ?
Strength or energy as an attribute of physical activity or movement (F=MA)
What is a torque ?
Force at an axis causing rotation/ a turning force
What is a force arm ?
The distance between the axis and point of force
What is momentum ?
Mass x Velocity
What is impulse ?
Force/Time (Impulse, momentum relationship)
What is work ?
Work = Force x Displacement (+ area under the force)
What is power ?
Power = Force x Velocity (Rate at which work is done)
What is energy ?
The quantity of what you put in to get in to get the force output
Which bone is commonly broken during strangulation ?
a) Atlas b) Axis c) Hyoid d) Mandible
Hyoid
What is the name of the peg on the second cervical (axis vertabra) that projects upwards through the first cervical vertebra ?
a) Crux b) Dens c) Tubercle d) Hook
Dens
What is the most commonly broken bone in the body ?
a) Femur b) Humerus c) Tibia d) Clavicle
Clavical
Which of these is NOT a muscle forming par of the quadriceps femoris group ?
a) Vastus femoris b) Vastus lateralis c) Vastus intermedius d) Vastus medialis
Vastus femoris
What type of contraction will the trapezius muscle be undergoing during the raising phase of a barbell curl ?
a) Concentric b) Eccentric c) Isometric d) Relaxation
Isometric
What type of electrical variable is measured when analysing muscular activity using electromyography ?
a) Charge b) Current c) Voltage d) Wattage
Voltage
The cranial nervous system is made up of how many pairs of nerves ?
a) 12 b) 31 c) 43 d) 86
12
In which part of the body would you find the lunate bone ?
a) Skull b) Wrist c) Foot d) Spine
Wrist
Moving the thumb towards any of the other four fingers is known as ?
a) Supination b) Abduction c) Flexion d) Opposition
Opposition
What is the shoulder joint also known as ?
a) Caracobrachial b) Acromioclavicular c) Glenohumeral d) Deltobicepial
Glenohumeral
What bone has a surgical neck and anatomical neck ?
a) Fibula b) Frontal c) Axis d) Humerus
Humerus
Which of these is the only muscle which flexes both the hip and the knee ?
a) Rectus femoris b) Biceps femoris c) Gracilis d) Sartorius
Sartorius
