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Quizinauts Week 2

Total questions: 49

Worksheet time: 12hrs 1mins

Name
Class
Date
1.
True or false: the benefit of type III levers is they allow loads to be moved much larger distance than the muscles involved must contract.
a)
true
b)
false
2.
Which of the following statements accurately describes the relationship between the actions of the extensor carpi radialis longus and the flexor carpi radialis? Select all that apply.
a)
 They are synergists in the sagittal plane.
b)
They are antagonists in the sagittal plane.
c)
They are synergists in the coronal plane.
d)
They are antagonists in the coronal plane.
3.
True or false: oxidative phosphorylation directly phosphorylates ADP to ATP using one coupled reaction.
a)
true
b)
false
4.

Damage to the median nerve would create weakness in which of the following actions?

a)

wrist flexion

b)

elbow extension

c)

elbow flexion

d)

wrist extension

5.
Oxygen regulates the process of glycolysis by acting as a catalyst in abundance.
a)
true
b)
false
6.
When an external force is applied to an object or body, there is an internal resistance force that reacts to the pressure. The amount of change in position, stretch, and displacement caused by the external force is called
a)
Creep
b)
Strain
c)
Stress
d)
Viscoelasticity
7.
Patient complains of "weak grip, numbness in the palm of the hand." You find sensory loss digits 2-3, no other sensory loss elsewhere. What is the most likely area of damage?
a)
carpal tunnel of median nerve
b)
bicipital aponeurosis
c)
injury to middle trunk
d)
 injury to lateral cord
e)
injury to anterior division of middle trunk
8.

Sarah is a 35 year old Army veteran, she has had her right forearm amputated below the elbow and injured her superior trunk (Erb's palsy) due to shrapnel from an IED. She also has type 2 diabetes.


During your regular treatment, you find her on the exercise bike, breathing deeply and rapidly with a breath that smells fruity. This is:

a)

Kussmaul's Respiration (due to diabetic ketoacidosis)

b)

Biot's Respiration (due to diabetic ketoacidosis)

c)

Cheyne–Stokes respiration (due to diabetic ketoacidosis)

d)

Normal respiration (due to activity)

9.

Sarah is a 35 year old Army veteran, she has had her right forearm amputated below the elbow and injured her superior trunk (Erb's palsy) due to shrapnel from an IED. She also has type 2 diabetes.


A) Due to her amputation, her entire body's center-of-mass has shifted:


B) The internal moment arm for the right triceps brachii has:

a)

to the right/decreased

b)

to the left/not changed

c)

to the right/increased

d)

to the left/decreased

e)

to the left/increased

10.

Sarah is a 35 year old Army veteran, she has had her right forearm amputated below the elbow and injured her superior trunk (Erb's palsy) due to shrapnel from an IED. She also has type 2 diabetes.


She plans to get an myoelectric prosthesis. Based on your knowledge of motor points, where do you think her possible EMG pickups will be located in her new prosthesis?

a)

The radial tunnel

b)

Belly of biceps

c)

The cubital tunnel

d)

Coronoid process

e)

The carpal tunnel

11.

Sarah is a 35 year old Army veteran, she has had her right forearm amputated below the elbow and injured her superior trunk (Erb's palsy) due to shrapnel from an IED. She also has type 2 diabetes.


During regular treatment, she requires electrostimulation to prevent muscular atrophy due to Erb's palsy. What type of stimulation would work on her denervated muscles?

a)

Faradic

b)

Galvanic

c)

You wouldn't because diabetes is a contraindication.

12.
What is the rate-limiting enzyme for the ATP-PCr system?
a)
ATPase
b)
Lactate dehydrogenase
c)
Hexokinase
d)
Creatine kinase
13.
In the Stress/Strain Relationship, what region results in "permanent deformation and compromised tissue integrity"?
a)
Elastic region
b)
Necking and failure region
c)
Plastic region
d)
Toe region
14.
From the options provided, which nerve(s) branch off the ulnar nerve?
a)
Supinator
b)
Flexor digitorum profundus
c)
Palmaris longus
d)
Flexor carpi ulnaris
15.
What energy system is used to synthesize ATP during a 100 meter dash? (Hint think about duration of event)
a)
Oxidative
b)
Glycolytic
c)
ATP-PCr
16.
Which of the following is not true about carbohydrates?
a)
Serves as a protein sparer
b)
Source of energy
c)
Vitamin Carrier and hunger suppressor
d)
Fuel for the CNS
17.
Describe the gravity minimized position for manual muscle testing for scapular addiction and downward rotation:
a)
Prone. Shoulder is internally rotated and arm is adducted across the back with elbow flexed and hand resting on the back
b)
Prone with test arm over head to about 145 degrees of shoulder elevation and abduction. Forearm is in mid supine with thumb pointing up.
c)
supine fully supported on the table. Support test shoulder in palm of one hand.
d)
sitting over end or side of table in erect position. Hands relaxed in lap.
e)
sitting with shoulder internally rotated and arm extended and adducted behind back
18.
During initiation of muscle contractions, Ca2+ is released FROM where?
a)
sarcoplasmic reticulum
b)
sarcolemma
c)
sarcoplasm
d)
troponin
e)
plasmalemma
19.
Give the origin, nerve and segmentation for the muscle that “flexes the middle phalanges at the proximal interphalangeal.“
a)
Medial epicondyle. Median. C6 C7
b)
Medial epicondyle, ulnar collateral ligament, coronoid process, superior half of anterior radius. Median. C7 C8 T1
c)
Medial epicondyle, olecranon and posterior humerus. Ulnar. C7 C8
d)
Medial epicondyle, coronoid process. Median. C6 C7
e)
Medial epicondyle. Median. C7 C8
20.
Which two forearm muscles are innervated by the deep radial nerve?
a)
Extensor carpi radialis longus and supinator
b)
Extensor carpi radialis brevis and supinator
c)
Extensor carpi ulnaris and supinator
d)
Extensor carpi radialis brevis and pronator
21.
Which system/body would experience the greatest pressure?
a)
A person lying supine on the ground
b)
A person sitting on the ground criss cross applesauce
c)
A person standing on two feet
d)
A person standing on one foot
22.
A patient comes in and demonstrates that they can flex their right hand and fingers towards their elbow but not the medial epicondyle. They also can't feel the medial portion of their hand. To rule out segmental damage, what muscle(s) could you test for weakness? Select all that apply.
a)
Palmaris longus
b)
Serratus anterior
c)
Coracobrachialis
d)
Triceps brachii
23.
True or false? In the relaxed state, after a muscle contraction has already occurred, ADP + Pi are still bound to the myosin head.
a)
true
b)
false
24.
Which of the following is an example of a synovial joint with biaxial movement? Select all that apply.
a)
Interphalangeal joint
b)
Sternoclavicular joint
c)
Intercarpal joint
d)
Metacarpophalangeal joint
25.

Which statement is false for the forearm muscle that flexes and deviates wrist ulnarly?

a)

Its origin is medial epicondyle of humerus, olecranon, and posterior border of ulna

b)

It is the most lateral forearm flexor muscle in anatomical position

c)

The nerve that innervates this muscle is coming off from medial cord

d)

It has the same primary segmentation as the triceps brachii

e)

The insertion for this muscle is pisiform, hook of hamate, and medial 4 digits

26.

Which of the muscle fiber type has the highest capillary density, slow to fatigue, and slow to contract?

a)

Type I

b)

Type IIa

c)

Type IIb

d)

Type IIx

27.

True of false: Once tendon or ligament stretches past their plastic region, it is impossible to go back to their original condition.

a)

true

b)

false

28.
What muscle has the same action and segmentation (including primary) as the biceps brachii? Choose all that apply.
a)
Brachialis
b)
Coracobrachialis
c)
Brachioradialis
d)
Supinator
e)
Anterior Deltoid
29.
Which muscles are Antagonists for the Pectoralis Major?
a)
Lower Trapezius
b)
Posterior Deltoid
c)
Subscapularis
d)
Infraspinatus
e)
Teres Major
30.
True or False- During the rigor stage of the sliding filament cycle, the Myosin head is in its cocked 90° position.
a)
true
b)
false
31.
True/False: Under a slight to moderate stretch of the muscle, extracellular connective tissues create most of the passive tension.
a)
true
b)
false
32.
Which of the following is not an origin site of the supinator muscle?
a)
Lateral supraconylar ridge of humerus
b)
Supinator fossa of ulna
c)
Radial collateral and annular ligaments 
d)
Crest of the ulna
e)
Lateral epicondyle of humerus
33.
Which muscle fiber type is paired with the correct information?
a)
Type I fibers use creatine phosphate and glycogen as their major storage fuel
b)
Type IIx fibers have a low glycolytic capacity 
c)
Type IIx fibers are used for short-term anaerobic activities 
d)
Type I fibers have a large motor neuron
e)
Type I fibers play an important role in change-of-pace sports like basketball or field hockey 
34.
Which of the following is a key characteristic of a Type I muscle fiber? 
a)
explosive activities, fatigue resistance low 
b)
endurance activities, fatigue resistance high 
c)
explosive activities, fatigue resistance high
d)
endurance activities, fatigue resistance low 
35.
T/F Any changes in the fiber length within that muscle, whether active or passive tension, will alter the amount of overlap of the contractile proteins thus the number of cross-bridges and force production is also affected. 
a)
true
b)
false
36.
During a car accident, a passenger  lacerates the anterior surface of his wrist at the junction of his wrist and hand. When he is examined doctor finds no loss of hand function, but the skin on the thumb side of his palm is numb. Branches of which nerve must have been severed?
a)
Ulnar nerve
b)
Radial nerve 
c)
Median nerve 
d)
Medial brachial cutaneous nerve 
37.
There are two patients. One patient complains of numbness in his dorsal hand and thumb area. The other patient complains of having trouble extending his wrist, as well as always flipping his soup bowl (weakness in supination). Which nerves are affected for each patient?
a)
Patient One: median; Patient Two: radial
b)
Patient One: radial; Patient Two: ulnar
c)
Patient One: superficial radial; Patient Two: deep radial
d)
Patient One: PABC; Patient Two: superficial radial
38.
Which word describes glycogen synthesis?
a)
glycolysis
b)
glycogenesis
c)
gluconeogenesis
d)
glycogenolysis
39.
If you are manual muscle testing, you should do everything EXCEPT:
a)
stabilize the glenohumeral joint at the deltoid
b)
make sure the patient's feet are touching the ground
c)
ask the patient to give consent for touch and testing
d)
palpate lightly
40.
What role do calcium ions play in the sliding filament theory?
a)
Binds to troponin-tropomyosin in actin filaments, allowing the bonding between actin and myosin
b)
Releases the myosin head to the "cocked" position, allowing it to bond again
c)
Is the primary ion released by neuron fibers signaling the muscle to begin contraction.
d)
Facilitates the bonding of extra P to ADP to create additional ATP, creating an energy crossbridge between anaerobic and aerobic energy systems
41.
When manually testing the Latissimus Dorsi with the functional test, what motion are we testing?
a)
Scapular Protraction
b)
Scapular Elevation
c)
Scapular Depression
d)
Scapular adduction
e)
Scapular Retraction
42.
Of the flexors of the forearm we have learned so far, which is the most deep?
a)
Flexor Digitorum Superficialis
b)
Pronator Teres
c)
Flexor Carpi Radialis
d)
Palmaris Longus
e)
Flexor Magnanimous Stupendous
43.

What is the primary rate limiting enzyme in glycolysis?

a)

Phosphofructokinase (PFK)

b)

Lactate dehydrogenase(LDH)

c)

Creatine Kinase

d)

ATPase

44.

Where does the Preparatory Reaction of Glycosis occur.

a)

Cytoplasm

b)

Mitochondrial matrix

c)

In my tummy

d)

Mitochondrial inner membrane

45.

What are the last two muscles innervated by the radial nerve before the deep and superficial split?

a)

Brachioradialis

b)

Extensor carpi radialis brevis

c)

Extensor carpi radialis longus

d)

Supinator

46.

Which of the following muscles is not an antagonist to external rotation?

a)

Teres major

b)

Subscapularis

c)

Pectoralis Major

d)

Coracobrachialis

47.

Complete beta-oxidation of a 6 carbon chain triacylglycerol produces how many NADH/FADH2?

a)

18/6

b)

6/6

c)

18/18

d)

54/18

48.

Where does radial nerve split to become superficial and deep radial nerve?

a)

at the posterior mid-humerus

b)

at the radial tunnel

c)

near the cubital fossa

d)

after innervating the supinator

49.

Which of the following statement is false?

a)

low cellular ATP triggers the PCr reaction in the mitochondria

b)

AMP acts as a signaling molecule for starting glycolysis in the cell

c)

oxidative phosphorylation can only occur in the mitochondria

d)

PCr and adenylate-kinase reactions generate ATP to bridge the energy gap

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