Fall 2013 Test 2 old questions Flashcards
The force of flexion at the elbow varies by position of the hand during contraction. This variation is due to the location of insertion of:
Biceps brachii
The ___ head of the triceps brachii is always activated during elbow extension
Medial
Shrugging of the shoulders is and example of:
elevation of shoulder girdle
Corcobrachialis:
adducts the shoulder joint
Which of the following muscles does not help in flexion at the shoulder joint
Teres major
Lowering yourself from the bar during a chin up:
is flexion at the shoulder joint and has the biceps brachia as a prime mover
Which of these is not part of the scapula?
greater tuberosity
The lateral end of the clavicle articulates with the:
Accordion process
The latissimus doors would be best developed by
doing chin-ups
Which of these statements about the biceps brachia is incorrect
It is inserted on the coronoid process of the ulna
correct statements:
The tendon of the long head passes through the intertubecular groove of the humerus
The short head is attached to the coracoid process of the scapula
It has an origin directly above the gleaned cavity of the scapula
Which of these is the insertion of the triceps brachii?
Olecranon process
The action of the pectoralis major at the shoulder joint is
Adduction, flexion and medial rotation
The action of the Teres major at the shoulder joint is
extension
The action of the brachioradialis is
Flexion of the elbow
Impingement of the supraspinatus tendon occurs
due to weakness of the trees minor and infraspinatus
The pectorals minor
can cause depression of the shoulder girdle
The annular ligament
holds the head of the radius to the radial notch of the ulna
A prime mover for retraction or adduction of the shoulder girdle is
Rhomboids
The subscapularis
medially rotates the humerus
Which one of the following muscles does not have its origin on the humerus
deltoid
Which of the following muscles has its origin on the outer surface of the first nine ribs?
serratus anterior
The proximal joint of the radius and ulnar is
A pivot joint and is held in place by the annular ligament
The term used to describe the outward rotation of the forearm is
supination
Insertion of pectorals minor
coracoid process of scapula
Origin of Teres minor
lateral border of scapula
Insertion of latissimus dorsi
intertubecular groove of humerus
Action of Serratus anterior
Protracts and upward rotates scapula
Insertion of Triceps brachii
Olecranon process of ulna
Insertion of Brachialis
tuberosity of ulna
Insertion of Biceps brachii
Radial tuberosity
Insertion of Subscapularis
lesser tubercle of humerus
Insertion of Flexor digitorum superficialis
Phalanges 2-5
Origin of brachioradials
Lateral epicondyle of humerus
Give distinguishing anatomical characteristics of C2 vertebra
has dens
Give distinguishing anatomical characteristics of C3
bifida spinous process
Give distinguishing anatomical characteristics of C7
Long spinous process doesn’t bifida
Spinous process 8-12th ribs
don’t have own cartilage connecting to the sternum; share
Spinous process 11 and 12th ribs
floating ribs; don’t attach to sternum
Give the tidal volume of ventilation for a person at rest and during max
rest- 500mL
Max-4800 mL
Describe why the structure of the alveolar sac and its blood supply is well designed for its function
Have a high surface area so they can carry gas exchange to make sure the body and heart get the oxygenated blood it needs
Give two components within the trachea that protect against foreign particle accumulating in the alveolar sacs
cilia and goblet cells
The approximate value of the capacity of the circulatory system to hold blood is __. The amount the average person has is __.
12-15 L
5-6 L
What would be two disadvantages to the body if the amount of blood matched the capacity?
Increased weight by about 15-22 lbs and increased energy expenditure
What is the Q/min for an untrained person at rest ___ and during max work __
5000-6000 ml
22-24 L/min
Give approximate values for HR and SV for both conditions rest and max
Rest SV 70 and HR 70
Max sv 110-120 and HR 220-age
What is the Q/min for an endurance trained athletes at rest and during max. Give HR and SV for both conditions.
Rest- 5000-6000
max- 30-35 min/L
Rest SV 120-130 and HR 40-50
Max SV 150-180 and HR 220-age
Which component of the conduction of depolarization through the heart has the slowest velocity
Av nodes
