HUBS 2505 HP Final exam practice Q's and A’s

HUBS 2505 HP Final exam practice Q's and A’s What is the main function of the limbic system? A. It determines emotional responses B. It is responsible for artistic and musical talents C. It is required for logical thinking, reason and decision making D. The overall control of fluid balance -Answer-A What would be the effect of damage to the cerebellum? A. Loss of hearing B. Loss of intellectual decision C. Loss of emotional responses D. Loss of coordination and posture -Answer-D Which of the following options does a vegetative state refer to? A. Continuing intellectual function but inability to communicate or move B. Loss of awareness and intellectual function but continued brainstem function C. Depression of the RAS and inability to initiate action D. Disorientation and confusion with decreased responsiveness -Answer-B What is the definition of aphasia? A. The inability to comprehend or express language appropriately B. The inability to articulate words clearly C. Difficulty swallowing D. Loss of visual filed contralateral to the area of damage -Answer-A What is the rationale for vomiting with increased intracranial pressure? A. Pressure on the emetic centre in the medulla B. Chemoreceptors responding to changes in the blood C. Pressure extending to spinal nerves D. Stimuli to the hypothalamic centre for hunger and thirst -Answer-A What is the usual result of damage to the right occipital lobe? A. Visual loss in the medial half of each eye B. Right eye is blind C. Loss of left visual field D. Left eye is blind -Answer-C Which of the following is an early indicator of increasing intracranial pressure? A. Bilateral fixed dilated pupils B. Rapid heart rate C. Decreasing responsiveness D. Papilledema -Answer-C How does a depressed skull fracture cause brain damage? A. A section of the skull is missing, leaving the brain unprotected B. A section of skull bone is displaced below the level of the skull, causing pressure on the brain C. A contrecoup injury is the cause of brain damage D. Bone fragments penetrate and tear brain tissue -Answer-B Following a head injury, what is the most likely cause of secondary damage to the brain? A. Laceration by foreign objects B. Hypoxia or acidosis C. Tearing of blood vessels as the brain rotates across the inside of the skull D. Haematoma or infection -Answer-D Following a spinal injury at C5, which one of the following is an expected effect during the period of spinal shock? A. Increased blood pressure B. Spastic paralysis below the level of injury C. Urinary incontinence D. Possible periods of apnoea -Answer-D If an emboli from a thrombus in the common carotid broke off and was carried up the internal carotid artery, in which artery would it most likely end up? A. Middle cerebral artery B. Posterior cerebral artery C. Basilar artery D. Anterior cerebral artery -Answer-A What is the most probable source of an embolus causing a CVA? A. Femoral vein B. Right ventricle of the heart C. Pulmonary artery D. Common carotid artery -Answer-D What would be the effect of infarction due to obstruction in the right anterior cerebral artery? A. Aphasia B. Contralateral weakness in the leg, impaired spatial awareness C. Sensory deficit involving the upper body D. Some visual loss -Answer-B Which of the following options is TRUE about transient ischaemic attacks? A. They may be caused by rupture of an aneurysm B. They often warn of potential cerebrovascular accidents? C. They usually indicate systemic hypertension D. They usually cause necrosis and permanent brain damage -Answer-B Which of the following options describes typical signs of a TIA? A. Loss of consciousness B. Transient muscle weakness in a hand or leg C. Rapidly increasing intracranial pressure D. Headache, photophobia and nuchal rigidity -Answer-B