Wk.12 L1 - AI Questions Flashcards
(34 cards)
What bones make up the pectoral girdle?
The scapula and clavicle.
What are the major joints of the upper limb?
Shoulder joint, elbow joint, wrist joint, and joints of the hand.
What bones form the pelvic girdle?
The hip bones (ilium, ischium, and pubis).
Name the joints of the thoracic cage.
Manubriosternal, xiphisternal, sternocostal, costocorporeal, costotransverse, and zygapophysial joints.
What is the primary action of the deltoid muscle?
Abduction of the shoulder joint; anterior fibers flex, posterior fibers extend.
Which muscle flexes the elbow and supinates the forearm?
Biceps brachii.
What are the main muscles of the quadriceps group?
Rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius.
What is the function of the diaphragm?
It facilitates inspiration by contracting and increasing thoracic volume.
What nerves arise from the brachial plexus?
Musculocutaneous, median, ulnar, radial, and axillary nerves.
What is the motor function of the femoral nerve?
Innervates anterior thigh muscles.
Which nerve innervates the gluteus maximus?
The inferior gluteal nerve.
What are the components of the thoracic nervous system?
Phrenic nerve, vagus nerve, and sympathetic trunk.
What are the four chambers of the heart?
Left and right atria, left and right ventricles.
What vessels are referred to as the ‘Great Eight’?
Aorta, pulmonary trunk, pulmonary arteries, pulmonary veins (4), superior vena cava, inferior vena cava.
What arteries supply the upper limb?
Subclavian → axillary → brachial → radial and ulnar arteries.
What are the major veins of the upper limb?
Cephalic, basilic, and median cubital veins.
What is the function of the skeletal system?
It provides a framework, protection for internal organs, and leverage for muscle movement.
What joint connects the manubrium and the body of the sternum?
The manubriosternal joint.
Which muscles make up the hamstrings?
Biceps femoris (long head), semitendinosus, and semimembranosus.
What is the action of the tibialis anterior?
Dorsiflexes the ankle and inverts the intertarsal joints.
Which muscles are involved in respiration in the thorax?
Diaphragm, external intercostals, internal intercostals, and innermost intercostals.
What is the sensory innervation of the median nerve?
Lateral palm, palmar surface, and fingertips of the lateral 3½ digits.
What spinal nerves contribute to the brachial plexus?
C5 to T1.
What is the motor function of the common peroneal nerve?
Innervates anterior and lateral leg muscles and dorsal intrinsic foot muscles.
