Unit 3, Mastering AandP

Which of the following INCORRECTLY compares the thumb and big toe? a) In anatomical position, they are both medial. b) They are both considered digit number 1. c) They both lack a middle phalanx. d) The big toe has one metatarsal and the thumb has one metacarpal.

a) In anatomical position, they are both medial.

The rhomboideus minor muscle originates on which process on the vertebrae? a) Spinous process b) Posterior process c) Transverse process d) Pedicle

a) Spinous process

One of the actions of the latissimus dorsi muscle is to __________. a) adduct the arm b) abduct the arm c) lateral rotation of the arm d) flex the arm

a) adduct the arm

The forearm muscles can be divided into anterior flexors and posterior extensors, as well as __________. a) deep and superficial layers b) cephalic and caudal layers c) proximal and distal layers d) femoral and abdominal layers

a) deep and superficial layers

The pectoralis minor muscle is innervated by the __________. a) clavicular nerves b) pectoral nerves c) ulnar nerves d) sternal nerve

b) pectoral nerves

Which of the following INCORRECTLY describes features of these sets of bones? a) The two bones of the forearm both have styloid processes at their distal ends. b) The bones of the leg have malleoli at their distal ends. c) Both sets of bones have a condyle at the proximal end. d) The distal end of the radius is wider than the distal end of the ulna.

c) Both sets of bones have a condyle at the proximal end.

The primary function of the pectoral girdle is to __________. a) provide the only connection between the arm and the axial skeleton b) act as an attachment point for the rotator cuff muscles c) act as an attachment site for muscles that move the arm d) provide the only connection between the humerus and the scapula

c) act as an attachment site for muscles that move the arm

Which of the following is NOT part of, or formed by, the ishium? a) lesser sciatic notch b) acetabulum c) posterior superior iliac spine d) obturator foramen

c) posterior superior iliac spine

The origin of the external obliques includes ribs __________. a) six through twelve b) eight through twelve c) seven through twelve d) five through twelve

d) five through twelve

Abduction requires the action of two muscles, and adduction requires the action of __________. a) one muscle b) three muscles c) two muscles d) four muscles

d) four muscles

What are the three heads of the flexor digitorum superficialis? a) proximal, distal, and middle b) lateral, medial, and proximal c) superficial, inferior, and middle d) humeral, radial, and ulnar

d) humeral, radial, and ulnar

The origin of the flexor carpi radialis is on the __________. a) radius b) ulna c) metacarpals d) humerus

d) humerus

Which of the following bones is NOT part of the appendicular skeleton? a) fibula b) radius c) clavicle d) sacrum

d) sacrum

Both bones have _____. a) a linea aspera b) supracondylar ridges. c) epicondyles d) an anatomical neck

c) epicondyles

In what ways are the humerus and the femur similar? a) Both have rounded heads for articulation in one of the body's girdles. b) Both contain distal fossae used for articulation. c) Both contain neck areas. d) All of these are correct.

d) All of these are correct.

Both sets of bones have __________. a) an interosseous membrane b) condyles c) a coronoid process d) an olecranon

a) an interosseous membrane

Forearm supination is assisted by the __________. a) biceps brachii b) brachioradialis c) triceps brachii d) supinator

a) biceps brachii

The actions of the internal intercostals are most important during __________. a) forced expiration b) normal expiration c) normal inspiration d) forced inspiration

a) forced expiration

The infraspinatus inserts on the ____________ of the humerus. a) greater tubercle of the humerus b) lesser tubercle of the humerus c) coranoid process of the scapula d) acromial process of the scapula

a) greater tubercle of the humerus

The three bones that fuse to form the hip bone are the _____. a) ilium, ischium, and pubis b) pubis, obturator, and pectineus c) os coxae, pubis, and ilium d) ilium, pubis, and sacrum

a) ilium, ischium, and pubis

The articulation between the two hip bones is the _____. a) pubis symphysis b) sacroiliac joint c) obturator joint d) anterior coxal joint

a) pubis symphysis

Which joint is considered the most flexible joint in the body? a) the shoulder joint b) the wrist joint c) the elbow joint d) the hip joint

a) the shoulder joint

Comparing the hand and the foot, _____. a) there are 8 carpal bones but only 7 tarsal bones b) the metacarpals are considered short bones while the metatarsals are considered long bones c) the hand has more phalanges than the foot d) the fifth digit in the foot has fewer phalanges than the fifth digit in the hand

a) there are 8 carpal bones but only 7 tarsal bones

Which of the following correctly describes features on these bones? a) The shaft of the humerus is longer than the shaft of the femur. b) A deltoid tuberosity is found on the lateral surface of the humerus. c) The large, greater trochanter is located on the medial side of the femur. d) The proximal end of the humerus has a pulley-shaped trochlea.

b) A deltoid tuberosity is found on the lateral surface of the humerus.

Which of the following INCORRECTLY describes the proximal articulation of these bones? a) The head of the femur is larger than the head of the humerus. b) Both are considered ball and socket joints. c) The humerus articulates with the scapula. d) The head of the femur articulates with the acetabulum of the hip bone.

c) The humerus articulates with the scapula.

Which of the following statements about muscles of the forearm is true? a) Contraction of the pronator quadratus and the supinator results in forearm pronation. b) The pronator quadratus originates on the radius and inserts on the ulna. c) The pronator teres originates on the medial epicondyle and inserts on the radius. d) The pronator quadratus is a two-headed muscle.

c) The pronator teres originates on the medial epicondyle and inserts on the radius.

Which of the following statements about muscles of the elbow joint is true? a) The brachioradialis originates and inserts on the ulna. b) The biceps brachii has two heads that share the same origin site. c) The biceps brachii is a posterior extensor. d) None of these statements is correct.

d) None of these statements is correct.

Which of the following correctly compares the proximal articulations for the bones of the forearm and leg? a) There is a proximal articulation between bones of the forearm, but there is no proximal articulation between bones of the leg. b) Both sets of bones form a gliding joint with bones proximal to them. c) All four bones have a proximal tuberosity. d) The heads of the fibula and radius are found at the proximal ends of the bones.

d) The heads of the fibula and radius are found at the proximal ends of the bones.

A reduction in the lateral angle of the glenohumeral joint in relation to the anatomical position would be called __________. a) flexion b) abduction c) extension d) adduction

d) adduction

Carpal tunnel syndrome is characterized by __________. a) inflammation of the extensor carpi radialis b) inflammation of the extensor retinaculum c) inflammation of the flexor digitorum profundus d) inflammation of the flexor retinaculum and/or tendon sheaths

d) inflammation of the flexor retinaculum and/or tendon sheaths

The origin of the long head of the triceps brachii is on the __________. a) anterior shaft of the humerus b) posterior shaft of the humerus c) olecranon process of the ulna d) infraglenoid tubercle of the scapula

d) infraglenoid tubercle of the scapula

Comparing the distal articulation of the forearm and the leg, which of the following is INCORRECT? a) There are distal radioulnar and tibiofibular joints. b) The inferior tibia is wider than the inferior fibula. c) Both bones of the leg articulate with the talus to form the ankle joint. d) The ulna is the only bone in the forearm that articulates with the carpal bones at the wrist.

d) The ulna is the only bone in the forearm that articulates with the carpal bones at the wrist.

Which of the following is a FALSE statement about the calcaneal bone? a) It serves as the attachment site for the Achilles tendon. b) When the person is standing, this bone bears much of the weight of the body. c) It is the largest of the tarsal bones. d) This bone articulates with the metatarsals.

d) This bone articulates with the metatarsals.

Movement of the shoulder laterally away from the body is called __________. a) adduction b) extension c) flexion d) abduction

d) abduction

Which of the following muscles is not part of the shoulder? a) subscapularis b) supraspinatus c) infraspinatus d) brachialis

d) brachialis

Without lateral rotation of the humerus by the teres minor and infraspinatus muscles, the maximum angle of abduction by the deltoid would be __________. a) 30 degrees b) 90 degrees c) 75 degrees d) 180 degrees

b) 90 degrees

Which of the following correctly describes the hand? a) The proximal row of carpal bones includes the hamate, trapezium, capitate, and trapezoid. b) The scaphoid bone articulates with the radius. c) The capitate is medial to the hamate. d) The pisiform lies posterior to the triquetrum.

b) The scaphoid bone articulates with the radius.

Why are the muscles that move the fingers and wrist located in the forearm? a) This design allows for less torque strength by the tendons of the fingers. b) This design allows the hand to maintain fine motor control and strength without the interference of bulky muscles. c) This design allows the hand and fingers to have greater sensitivity to environmental stimuli. d) This design allows the muscles to contract more rapidly.

b) This design allows the hand to maintain fine motor control and strength without the interference of bulky muscles.

The deltoid muscle fibers are separated into __________. a) lateral, medial, and proximal b) anterior, middle, and posterior c) superior, middle, and inferior d) superficial and deep

b) anterior, middle, and posterior

The pectoral girdle consists of the __________. a) scapula and humerus b) clavicle and scapula c) clavicle, scapula, and humerus d) clavicle and humerus

b) clavicle and scapula

The __________ is a prime mover of the glenohumeral joint during flexion. a) coracobrachialis b) deltoid c) biceps brachii d) teres major

b) deltoid

The prime mover of wrist extension is the __________. a) extensor carpi radialis brevis b) extensor digitorum c) extensor carpi ulnaris d) extensor carpi radialis longus

b) extensor digitorum

The superior ridge of the ilium, between the anterior superior and posterior superior iliac spines, is known as the _____. a) arcuate line b) iliac crest c) iliac tuberosity d) iliac fossa

b) iliac crest

An origin of the supinator is the __________. a) supinator crest of the humerus b) lateral epicondyl of the humerus c) ulna d) radius

b) lateral epicondyl of the humerus

Muscles of the shoulder can be divided into groups based on __________. a) size b) location (anterior and posterior) c) distribution and functional relationships d) location (superior and inferior)

c) distribution and functional relationships

The brachioradialis is a strong forearm __________. a) supinator b) pronator c) flexor d) extensor

c) flexor

Wrist abduction occurs through the actions of __________ muscles. a) two b) three c) four d) five

c) four

The insertion of the extensor digitorum branches into __________. a) five tendons b) two tendons c) four tendons d) three tendons

c) four tendons

To keep the humeral head centered within the glenoidal cavity the rotator cuff muscles must be __________. a) located anteriorly b) located posteriorly c) located in the same plane d) located distally

c) located in the same plane

The muscles that extend the forearm are located __________. a) laterally b) medially c) posteriorly d) anteriorly

c) posteriorly

The extensor carpi ulnaris is innervated by the __________. a) ulnar nerve b) brachial nerve c) radial nerve d) scapular nerve

c) radial nerve

The actions of the extensor carpi radialis brevis are localized to the __________. a) elbow b) radius c) wrist d) ulna

c) wrist

What is the purpose of the large trochanters that are found on the femur? a) They serve as an attachment site for tendons of large skeletal muscles. b) They articulate with the tibia and fibula to form the knee joint. c) They are present to help differentiate the male skeleton from the female skeleton. d) They form a part of the hip joint.

a) They serve as an attachment site for tendons of large skeletal muscles.

The location of the rotator cuff muscles in relation to the glenohumoral joint minimizes the upward pressure against the __________. a) acromion of the scapula b) clavicle c) humerus d) coracoid process of the scapula

a) acromion of the scapula

The smallest of the posterior extensors of the elbow joint is the __________. a) anconeus b) triceps brachii c) brachioradialis d) biceps brachii

a) anconeus

The muscle that generates the most power during elbow flexion is the __________. a) brachialis b) triceps brachii c) brachioradialis d) biceps brachii

a) brachialis

The brachialis muscle is located __________ to the biceps brachii muscle. a) deep b) superficially c) superiorly d) laterally

a) deep

The external intercostals elevate the rib cage during __________. a) inspiration b) expiration c) neither inspiration nor expiration d) both expiration and inspiration

a) inspiration

The two heads of the biceps brachii muscle come together distally to insert on the __________. a) radial tuberosity b) deltoid tuberosity c) ulnar tuberosity d) styloid process of the radius

a) radial tuberosity

The infraspinatus muscle is included in the __________ muscles. a) rotator cuff b) respiratory muscles of the shoulder c) medial rotator d) lateral rotator

a) rotator cuff

Which of the following muscles assists during extension of the glenohumeral joint, but is not as a prime mover? a) teres major b) biceps brachii c) latissimus dorsi d) deltoid

a) teres major

Which of the following groups of muscles are not muscles of the shoulder? a) the anterior flexor muscles b) muscles that stabilize and cross the glenohumeral joint c) the rotator cuff muscles d) muscles that act on the pectoral girdle

a) the anterior flexor muscles

The four muscles that comprise the posterior group of the pectoral girdle are the __________. a) levator scapulae, rhomboideus minor, rhomboideus major, and pectoralis major b) levator scapulae, rhomboideus minor, rhomboideus major, and trapezius c) pectoralis minor, rhomboideus major, levator scapulae, and trapezius d) rhomboideus minor, teres minor, trapezius, and levator scapulae

b) levator scapulae, rhomboideus minor, rhomboideus major, and trapezius

The latissimus dorsi inserts __________. a) on the lesser tubercle of the humerus b) on the intertubercular groove of the humerus c) on the deltoid tuberosity of the humerus d) on the greater tubercle of the humerus

b) on the intertubercular groove of the humerus

By comparing the distal articulation of the humerus and the femur, what can be learned? a) The humerus lacks distal condyles. b) The femur articulates with the fibula at the femoral condyles. c) They both articulate with two bones. d) The humerus articulates with the radius at the olecranon fossa.

c) They both articulate with two bones.

The middle fibers of the deltoid muscle __________. a) medially rotate the arm b) adduct the arm c) abduct the arm d) laterally rotate the arm

c) abduct the arm

The flexor carpi ulnaris __________. a) extends the forearm b) abducts the wrist c) adducts the wrist d) supinates the forearm

c) adducts the wrist

Of the nine muscles that cross the shoulder joint and insert on the humerus, which muscle is considered to be a prime mover? a) coracobrachialis b) supraspinatus c) deltoid d) pectoralis minor

c) deltoid

The actions of the internal obliques include __________. a) compression of the rib cage to assist in forced inspiration b) compression of the abdomen to assist in forced inspiration c) compression of the rib cage to assist in forced expiration d) compression of the abdomen to assist in forced expiration

d) compression of the abdomen to assist in forced expiration

The insertion of the extensor carpi radialis longus muscle is on __________. a) metacarpal four b) metacarpal three c) metacarpal one d) metacarpal two

d) metacarpal two

To allow movement of the tendons within the carpal tunnel zone, each tendon is encased in a __________. a) meniscus b) osseous membrane c) bursa d) sheath

d) sheath

The origins of the levator scapula are from the ___________ of four cervical vertebrae. a) spinous processes b) fascia c) bodies d) transverse processes

d) transverse processes

The prime mover of elbow extension is the __________. a) biceps brachii b) brachialis c) anconeus d) triceps brachii

d) triceps brachii

Looking at the foot you notice that the _____. a) calcaneus is the smallest bone in the foot b) navicular lies on the lateral side of the foot c) cuboid has a rough, knob-shaped projection that serves as an attachment for the achilles tendon d) trochlea is found on the superior aspect of the talus

d) trochlea is found on the superior aspect of the talus