2014 Flashcards
The trapezius muscle is supplied by which of the following nerves? A) the medial pectoral nerve B) the radial nerve C) the accessory nerve D) the intercostal nerve E) the median nerve
C
All of the following are TRUE about the glenohumeral joint EXCEPT which one?
A) The glenoid labrum acts in joint stability
B) Stability of the joint is primarily dependent upon the capsule and ligaments
C) The tendon of the long head of biceps brachii is intra-articular
D) The joint is classified as a ball and socket joint
E) The pectoralis major acts in flexion of the joint
i think its C?? but could be B idk
Which of the following statements concerning the elbow joint complex is FALSE?
A) The radiohumeral joint is the articulation between the the head of the radius and the trochlea of the humerus
B) The elbow joint complex consists of three joints that share a common synovial cavity
C) The humeroulnar joint has a high degree of bony congruency
D) The proximal radioulnar joint is a synovial pivot joint
E) The radial and ulnar collateral ligaments are capsular ligaments
A ? (should be capitulum of humerus)
A man damaged a nerve in his arm and now has difficulty pronating his forearm, flexing his wrist and fingers; and the lateral half of his palm is numb. Which nerve did he damage? A) ulnar B) radial C) musculocutaneous D) axillary E) median
E
The function of the first dorsal interosseous is to
A) reduce tension within the tendon of flexor digitorum superficialis
B) extend the interphalangeal (IP) joints, flex the metacarpophalangeal (MCP) joint and abduct the second digit
C) flex and abduct the thumb
D) abduct the ring finger
E) flex the interphalangeal (IP) joints, and extend the metacarpophalangeal (MCP) joint of the second digit
C (i think)
Since joints in the lower limb are subjected to greater forces than joints in the upper limb, lower limb joints are A) not diarthrotic joints B) not stabilised by ligaments C) generally less stable D) less mobile E) more mobile
D?? (same as 2016 and 2015)
Concerning the pelvic girdle and lower limb,
A) iliacus and psoas major attach to the greater trochanter via the iliopsoas tendon
B) the common action of piriformis, gemellus superior, obturator internus, gemellus inferior, quadratus femoris, and obturator externus is extension at the hip
C) a muscle that attaches to the ischial tuberosity is the semimembranosus
D) the distal attachment of the tendon of the semimembranosus muscle is the head of the fibula
E) the gluteus medius muscle is attached to the external surface of the ilium, between the anterior and posterior gluteal lines, and then via a short tendon to the neck of the femur
C (same as 2015 and 2016)
Sartorius derives its proximal attachment at which bony landmark? A) anterior inferior iliac spine (AIIS) B) pubic tubercle C) tibial tuberosity D) anterior superior iliac spine (ASIS) E) medial epicondyle of the knee
D (same as 2016 and 2015)
The ligament that prevents anterior displacement of the tibia on the femur is the A) anterior cruciate ligament B) tibial collateral ligament C) posterior cruciate ligament D) meniscofemoral ligament E) fibular collateral ligament
A (same as 2015 and 2016)
Which muscle is attached to the flexor digitorum longus? A) interossei B) flexor digitorum brevis C) quadratus plantae D) adductor hallucis E) flexor hallucis brevis
C (same as 2015 and 2016)
Which of the following CORRECTLY describes the changes in the vertebral column as one
moves caudally from the lower cervical region towards the lower thoracic region?
A) The vertebral canal gradually diminishes as the vertebral bodies enlarge
B) The height of the vertebral bodies decrease
C) The transverse processes become progressively shorter
D) The neural arches increase in diameter as the spinous processes shorten
E) The vertebral foramina steadily increase in diameter
possibly A
Regarding the curvature of the thoracic vertebral column, the form of the curve is
A) described as a secondary curve
B) primarily due to the shape of the discs
C) described as a scoliosis
D) primarily due to the shape of the vertebrae
E) described as a lordotic curve
D (same as 2016 and 2015)
How many intervertebral discs are normally present in a typical human vertebral column? A) 23 B) 24 C) 25 D) 29 E) 30
A (same as 2015)
The transverse ligament
A) resists forward translation of C1 on C2
B) is a continuation of the posterior longitudinal ligament
C) is predominantly elastin fibres
D) attaches to the odontoid process and the margins of foramen magnum
E) resists rotation of C1 on C2
A (same as 2016 and 2015)
When you turn your head 30 degrees toward the right, most of that movement would occur at
which of the following intervertebral levels?
A) C0/1
B) C1/2
C) C2/3
D) C3/4
E) C4/5
B (same as 2015 and 2016)
In the lumbar spine,
A) axial rotation to the right will result in compression of the right zygapophyseal joint
B) the superior articular processes of lower lumbar vertebrae are oriented in the sagittal plane whilst those of the upper lumbar vertebrae are more aligned with the coronal plane
C) extension may result in the inferior articular process of the superior vertebrae impacting the lamina between the articular processes of the vertebra below
D) zygapophyseal joint orientation favours movements in the transverse plane
E) the main site of muscle attachment is the vertebral body
?? (same as 2015 and 2016)
Which of the following muscles does NOT contribute to axial rotation of the lumbar spine? A) transversus abdominis B) internal oblique abdominal C) multifidus D) iliocostalis lumborum pars thoracis E) external oblique abdominal
A or D?? (same as 2015 and 2016)
The superior attachment of longissimus thoracis pars thoracis is the
A) thoracic transverse processes and lower 8 ribs
B) lower cervical transverse processes
C) upper thoracic spinous processes
D) angles of the lower 6 ribs
E) erector spinae aponeurosis
A
Contraction of which of the following muscles produces the greatest posterior shear force on the vertebral motion segment? A) quadratus lumborum B) iliocostalis lumborum pars lumborum C) longissimus thoracis pars thoracis D) rectus abdominis E) multifidus
B
The posterior outer annulus fibrosus is innervated by the A) sciatic nerve B) medial branch of the dorsal rami C) sinuvertebral nerve D) anterior vertebral plexus E) grey rami communicantes
C (same as 2015 and 2016)
Which of the following statements regarding development of the central nervous system is INCORRECT?
A) The fact that the internal capsule separates the caudate nucleus from the putamen is proof that these related structures have different developmental origins
B) The sulcus limitans divides the spinal cord into an alar (sensory) plate and a basal (motor) plate
C) Various brain structures such as the caudate nucleus acquire a C-shape during development due to the massive expansion of the cerebral cortex
D) The central sulcus and lateral fissure are the first sulci to appear as the cerebral cortex expands
E) The insular cortex becomes buried in the lateral fissure as the frontal, parietal and temporal lobes expand
??
The posterior cerebral artery (PCA)
A) is the principal source of blood supply to the primary auditory cortex
B) is the terminal branch of the basilar artery
C) is a branch of the internal carotid artery
D) supplies blood to the medial aspects of the temporal, parietal and occipital lobes
E) supplies blood to the occipital lobe as well as the cerebellum
B (same as 2015 and 2016)
Which of the following is a branch of the posterior cord of the brachial plexus? A) radial nerve B) musculocutaneous nerve C) ulnar nerve D) accessory nerve E) median nerve
A
The roots of the sciatic nerve arise from which spinal cord segments? A) L3, L4, L5, S1, S2 B) L2, L3, L4 C) L4, L5, S1, S2, S3 D) S1, S2, S3, S4, S5 E) L1, L2, L3, L4, L5
C