EXAM 1

Question 1

Which of these actions is not preformed by the legs during a jumping jack?

A) Adduction
B) Supination
C) Abduction

Answer 1

Supination

Question 2

What is the axis of rotation associated with supination and pronation?

A) Diagonal/ Oblique
B) Longitudinal
C) Anteroposterior
D) Mediolateral

Answer 2

Longitudinal

Question 3

What happens to the joint angle during an isometric contraction?

A) It increases
B) It does not change
C) It decreases

Answer 3

It does not change

Question 4

True or False: A subject standing with their feet slightly apart and their palms held flat against the body is standing in anatomic position?

Answer 4

False

Question 5

Which of these movements occurs in the transverse plane?

A) Extension
B) Horizontal Abduction
C) Flexion
D) Adduction

Answer 5

Horizontal Abduction

Question 6

True or False: The appendicular skeleton includes both the limbs and the spine

Answer 6

False

Question 7

The biceps brachii is this type of muscle.

A) Strap
B) Sphincter
C) Radiate
D) Fusiform

Answer 7

Radiate

Question 8

This type of muscle spreads its force across a broad area

Answer 8

Flat

Question 9

Sensory information travels from the periphery to the central nervous system. What word best describes this?

A) Efferent
B) Different
C) Afferent
D) Operant

Answer 9

Afferent

Question 10

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

Answer 10

Patent foramen ovale

Question 11

The human heart has this many chambers?

Answer 11

4

Question 12

Calculate mechanical advantage of a 3rd class lever system where the force arm is 2cm long and the resistance arm is 6 cm long

Answer 12

0.333

Question 13

The heart is _______________ to the ribs.

Answer 13

Deep

Question 14

True/False: The tricuspid valve is located between the left atria and the left ventricle.

Answer 14

False

Question 15

Motor neuron axons are covered in an insulation like material called?

Answer 15

Myelin

Question 16

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

Answer 16

Bone building/ Bone breaking

Question 17

The line of pull for the bicep brachii would travel in which direction?

A) Superiormedial
B) Inferomedial
C) Lateral
D) Mediolateral

Answer 17

Superiormedial

Question 18

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

Answer 18

Sellar (saddle)

Question 19

Which type of bone would be LEAST porous?

A) Cortical
B) Cancellous
C) Trabecular

Answer 19

Cortical

Question 20

True or False: Bone processes are points where ligaments, tendons and muscles attach to bones.

Answer 20

True

Question 21

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.

Answer 21

True

Question 22

True or False: In anatomic position the palm faces posterior.

Answer 22

False

Question 23

True or False: A uniaxial joint that only allows flexion and extension is a ginglymus (hinge) joint?

Answer 23

True

Question 24

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

Answer 24

Same side/ opposite side

Question 25

Why are people faster than chimps?

Answer 25

Human 3rd class lever allows for extreme distal range of motion

Question 26

The role of the biceps brachii in elbow extension is? A) Antagonist B) Synergist C) Agonist D) Neutralizer

Answer 26

Antagonist

Question 27

This type of bone would be found in the shaft of longs bones?

Answer 27

Cortical

Question 28

The brachial plexus feeds nerve impulses to what area of the body? A) The neck B) The back C) The arm D) The abdomen

Answer 28

The arm

Question 29

What word best describes the location of the umbilicus (belly button)?

Answer 29

Medial

Question 30

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

Answer 30

Force arm is longer than resistance arm

Question 31

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

Answer 31

Alter force direction

Question 32

The bicep curl occurs in which plane? A) Frontal B) Transverse C) Sagittal D) Mediolateral

Answer 32

Sagittal

Question 33

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 ```

Answer 33

Pulmonary vein

Question 34

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.

Answer 34

Short bones

Question 35

Which choice below lists the proper route that blood would take through the heart? Assume the blood is starting in the inferior vena cava.

Answer 35

Right atrium, Right ventricle, Left atrium, Left ventricle

Question 36

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

Answer 36

Power Lifting

Question 37

True or False: All synovial joints are diarthoidal, but not all synovial joints are enarthoidial.

Answer 37

True

Question 38

``` In terms of movement mechanics, what part of a lever system is the long bone? A) Axis B) Force C) Fulcrum D) Rigid bars ```

Answer 38

D

Question 39

``` What is the most common type of simple machine found in the body? A) Pulley B) Wheel and axle C) Incline plane D) Lever ```

Answer 39

D

Question 40

``` Which of these is an example of a pivot (trochoid) joint? A) Radioulnar B) Elbow C) Hip D) Shoulder ```

Answer 40

A

Question 41

``` Motor neuron impulses are A) Operant B) Afferent C) Different D) Efferent ```

Answer 41

D

Question 42

Match the axis of rotation to the associated plane of movement. A. Frontal B. Sagittal C. Transverse Mediolateral Longitudinal Anteroposteri

Answer 42

B;C;A