Flashcards
anatomy
Cards in this deck (6)
- 1Most common form of arthritis is? A. Rheumatoid arthritis B. Psoriatic arthritis C. Seronegative arthritis D. OsteoarthritisCorrect answer : D. Osteoarthritis
Osteoarthritis is the most common form of arthritis. It affects up to 80% of individuals older than 75 years. - 2One of the following statements regarding mycophenolate mofetil is incorrect: A. lt is a prodrug B. lt is a selective uncompetitive and reversible inhibitor C. It also inhibits calcineurin D. Selectively inhibits lymphocyte proliferationCorrect answer : C. It also inhibits calcineurin
Mycophenolate mofetil inhibits inosine monophosphate dehydrogenase. It has no action on calcineurin. - 3Oblique head of adductor pollicis arises from? A. Trapezium B. Trapezoid C. Capitate D. HamateCorrect answer : C. Capitate
Oblique head of adductor pollicis originates from capitate and the bases of 2nd and 3rd metacarpals.
Transverse head originates from the palmar aspect of the third metacarpal.
It is inserted into the medial side of the base of the proximal phalanx of the thumb. - 4Anterior choroidal artery is a branch of? A. Anterior cerebral artery B. Posterior cerebral artery C. Internal carotid artery D. Anterior communicating arteryCorrect answer : C. Internal carotid artery
Anterior choroidal artery arises from the internal carotid artery.
Anterior cerebral artery is a branch of internal carotid artery.
Posterior cerebral artery is a branch of vertebral artery.
Anterior communicating artery is a branch of anterior cerebral artery. - 5Which of the following statements regarding injury to common peroneal nerve is false? A. It causes foot drop B. Anaesthesia of sole of foot C. Loss of dorsiflexion of toes D. Results from injury to neck of fibulaCorrect answer : B. Anaesthesia of sole of foot
Features of common peroneal nerve injury
Foot drop (due to paralysis of dorsiflexors of ankle)
Inability to dorsiflex toes (paralysis of extensor hallucis longus, extensor digitorum longus and extensor digitorum brevis)
Inability to evert the foot (the foot assumes an inverted attitude)
Anaesthesia of anterolateral aspect of leg.
Anaesthesia of dorsum of foot and toes with medial side of big toe. - 6Which of the following is not a pneumatic bone? A. Frontal bone B. Sphenoid C. Maxilla D. MandibleCorrect answer : D. Mandible
Pneumatic bones are those which enclose an air filled cavity
They are seen in relation to the nasal cavity (paranasal sinuses) and the middle ear
The pneumatic bones are:
Frontal
Sphenoid
Ethmoid
Maxilla
Temporal (mastoid air cells)