EXAM 1 Flashcards
Which of these actions is not preformed by the legs during a jumping jack?
A) Adduction
B) Supination
C) Abduction
Supination
What is the axis of rotation associated with supination and pronation?
A) Diagonal/ Oblique
B) Longitudinal
C) Anteroposterior
D) Mediolateral
Longitudinal
What happens to the joint angle during an isometric contraction?
A) It increases
B) It does not change
C) It decreases
It does not change
True or False: A subject standing with their feet slightly apart and their palms held flat against the body is standing in anatomic position?
False
Which of these movements occurs in the transverse plane?
A) Extension
B) Horizontal Abduction
C) Flexion
D) Adduction
Horizontal Abduction
True or False: The appendicular skeleton includes both the limbs and the spine
False
The biceps brachii is this type of muscle.
A) Strap
B) Sphincter
C) Radiate
D) Fusiform
Radiate
This type of muscle spreads its force across a broad area
Flat
Sensory information travels from the periphery to the central nervous system. What word best describes this?
A) Efferent
B) Different
C) Afferent
D) Operant
Afferent
An atrial septal defect is an opening between the right and left atria. What is another term for this condition?
A) Patent ductus arteriosus
B) Patent foramen ovale
C) Patent fossa ovalis
D) Patent foramen magnum
Patent foramen ovale
The human heart has this many chambers?
4
Calculate mechanical advantage of a 3rd class lever system where the force arm is 2cm long and the resistance arm is 6 cm long
0.333
The heart is _______________ to the ribs.
Deep
True/False: The tricuspid valve is located between the left atria and the left ventricle.
False
Motor neuron axons are covered in an insulation like material called?
Myelin
Osteoblasts are mainly responsible for _____________, while osteoclasts are responsible for ______________.
A) Bone breakdown / bone building
B) Bone building / bone breakdown
C) Bone breakdown / bone building
Bone building/ Bone breaking
The line of pull for the bicep brachii would travel in which direction?
A) Superiormedial
B) Inferomedial
C) Lateral
D) Mediolateral
Superiormedial
The only example of this type of joint in the human body is found at the base of the thumb?
A) Sellar (Saddle)
B) Condyloid (knuckle)
C) Symphosis
D) Gomphosis
Sellar (saddle)
Which type of bone would be LEAST porous?
A) Cortical
B) Cancellous
C) Trabecular
Cortical
True or False: Bone processes are points where ligaments, tendons and muscles attach to bones.
True
True or False: A wheel and axle system where the force is applied to the axle, like is seen with the rotator cuff muscles, acts as a movement amplifier because small movements at the axle allow for large distal displacement.
True
True or False: In anatomic position the palm faces posterior.
False
True or False: A uniaxial joint that only allows flexion and extension is a ginglymus (hinge) joint?
True
Ipsilateral means ______________, while contralateral means _________________.
A) Same side / Both sides
B) Opposite side / same side
C) Same side / opposite side
D) Both sides / opposite side
Same side/ opposite side
Why are people faster than chimps?
Human 3rd class lever allows for extreme distal range of motion
The role of the biceps brachii in elbow extension is?
A) Antagonist
B) Synergist
C) Agonist
D) Neutralizer
Antagonist
This type of bone would be found in the shaft of longs bones?
Cortical
The brachial plexus feeds nerve impulses to what area of the body?
A) The neck
B) The back
C) The arm
D) The abdomen
The arm
What word best describes the location of the umbilicus (belly button)?
Medial
The 3rd class lever is the most commonly found lever system in the body. Which of the following information is NOT correct about a 3rd class lever system?
A) Force arm is shorter than the resistance arm
B) Force arm is longer than the resistance arm
C) Low mechanical advantage
D) Requires lots of force to move small resistance
Force arm is longer than resistance arm
The only job that pulleys do in the body is
A) Balance forces from multiple muscles
B) Alter force direction
C) Increase force production
D) Increase range of motion
Alter force direction
The bicep curl occurs in which plane?
A) Frontal
B) Transverse
C) Sagittal
D) Mediolateral
Sagittal
Which great vessel is connected to the left atrium?
A) Pulmonary vein B) Inferior vena cava C) Pulmonary Artery D) Aorta E) Superior vena cava
Pulmonary vein
A gliding joint (arthrodial) is typically found in the wrist and ankle. What type of bones make up arthrodial joints? This one might be a LITTLE bit hard.
Short bones
Which choice below lists the proper route that blood would take through the heart? Assume the blood is starting in the inferior vena cava.
Right atrium, Right ventricle, Left atrium, Left ventricle
According to Wolff’s law, which of these athletes would most likely have the thickest arm bones?
A) Distance runner
B) Sprinter
C) Cyclist
D) Power lifter
Power Lifting
True or False: All synovial joints are diarthoidal, but not all synovial joints are enarthoidial.
True
In terms of movement mechanics, what part of a lever system is the long bone? A) Axis B) Force C) Fulcrum D) Rigid bars
D
What is the most common type of simple machine found in the body? A) Pulley B) Wheel and axle C) Incline plane D) Lever
D
Which of these is an example of a pivot (trochoid) joint? A) Radioulnar B) Elbow C) Hip D) Shoulder
A
Motor neuron impulses are A) Operant B) Afferent C) Different D) Efferent
D
Match the axis of rotation to the associated plane of movement.
A. Frontal
B. Sagittal
C. Transverse
Mediolateral
Longitudinal
Anteroposteri
B;C;A
