A 73-year-old man presents with an abrupt onset of double vision and left leg weakness. Examination shows weakness of abduction of the right eye, right-sided facial weakness affecting upper and lower parts of the face. He also has a left hemiparesis. Where is the lesion? A. left frontal lobe B. left lateral medulla C. right corpus striatum D. right midbrain E. right pons

1 Answer

Answer :

Ans: E

Related questions

Description : Which of the following would be the result of a spinal lesion at the level of C8? A. a reduced brachioradialis reflex B. inability to abduct the shoulder C. loss of sensation over the lateral aspect of the arm D. winging of the scapula E. weakness of finger flexion

Last Answer : Ans: E

Description : A sagittal section of human brain is shown here. Identify at least two labels from A-D. (a) C-Midbrain, D-Cerebellum (b) A-Cerebrum, C-Pons (c) B-Corpus callosum, D-Medulla (d) A-Cerebral hemispheres, B-Cerebellum

Last Answer : (b) A-Cerebrum, C-Pons

Description : A lesion in the right medial longitudinal fasciculus: a. causes left abduction nystagmus b. impairs right adduction c. impairs left adduction d. causes problem with upgaze

Last Answer : impairs right adduction

Description : The part of the human brain which is an important relay station for the sensory impulses and also is the origin of many of the involuntary acts of the eye such as the narrowing of the pupil in bright light is the: a) hypothalamus b) midbrain c) corpus callosum d) cerebellum

Last Answer : ANSWER: B -- Midbrain

Description : A 75 year old man presents with a long history of shortness of breath and ankle oedema. His serum biochemistry shows sodium 122 mmols/l and potassium of 2.9 mmols/l. He now complains of ... ? 1) Addison's Disease 2) Nephrotic syndrome 3) Primary hyperaldosteronism 4) SIADH 5) Diuretic therapy

Last Answer : Answers-5 The long history of his symptoms and serum biochemistry suggests that his condition is due to treatment with frusemide for CCF.

Description : A male patient 30 years old with visual acuity of 6/6 in both eyes. Twelve hours ago he presented with drop of vision of the left eye. On examination, visual acuity was 6/6 in the ... : a. Raised intra cranial pressure b. Raised ocular tension c. Central retinal artery occlusion d. Optic neuritis

Last Answer : ANSWER: D

Description : Which of the following regarding the anatomy of the heart is true? A. The aortic valve is tricuspid. B. The ascending aorta is entirely outside the pericardial sac. C. The left atrial appendage is ... trunk lies anterior to the ascending aorta. E. The right atrium is posterior to the left atrium.

Last Answer : Ans: A

Description : An Afro-Carribean male aged 48 years presents with gradual onset of exertional dyspnoea, non productive cough, malaise, weight loss and polyarthralgia. Schirmers test indicates a dry eye. X-ray ... 2) Serum phosphorus 3) Urea and electrolytes 4) Thallium Scan 5) Quantitative Immunoglobulins.

Last Answer : Answers-4 This condition is sarcoidosis. Serum calcium, Serum phosphorus, Chem7 and Chem 20 and Quantitative Immunoglobulins are all used in establishing the diagnosis. Gallium scan is helpful in ... areas of poor perfusion. It is particularly used in cardiology to detect areas of ischaemia.

Description : How to tell right or left bones of appendicular skeleton?

Last Answer : Ever hear of anatomical position? If you visualize the bones in that position, you can’t go wrong. The Radial bone is also on your thumb side.

Description : In lung diseases like pneumonia, it usually affects certain site based on the anatomy, this is more obvious in which of the following: • Right upper lobe • Right middle lobe • Right lower lobe • Left upper lobe • Left lower lobe

Last Answer : Right middle lobe

Description : Which one of the following parts of the human brain is the regulating centre for swallowing and vomiting? (1) Cerebellum (2) Cerebrum (3) Medulla Oblongata (4) Pons

Last Answer : (3) Medulla Oblongata Explanation: Medulla Oblongata is that part of the brain which regulates basic functions. It regulates vomiting, hiccupping, swallowing, coughing, sneezing, etc.

Description : Which one of the following parts of the human brain is the regulating centre for swallowing and vomiting? (1) Cerebellum (2) Cerebrum (3) Medulla Oblongata (4) Pons

Last Answer : Medulla Oblongata

Description : How eye produces tears? 

Last Answer : The lachrymal gland, which is part of the larger lachrymal apparatus, produces tears that flow over the anterior surface of the eye. Most of this fluid evaporates, but excess amounts are collected ... , an enzyme that is capable of destroying certain kinds of bacteria and helps fight eye infections 

Description : What structure of the eye produces tears? 

Last Answer : The lachrymal gland, which is part of the larger lachrymal apparatus, produces tears that flow over the anterior surface of the eye. Most of this fluid evaporates, but excess amounts are collected ... an enzyme that is capable of destroying certain kinds of bacteria and helps fight eye infections. 

Description : The lobe of the brain that is the largest and controls abstract thought is the ____________ lobe. a) frontal The frontal lobe also controls information storage or memory and motor function ... and other cortical areas. d) occipital The occipital lobe is responsible for visual interpretation.

Last Answer : a) frontal The frontal lobe also controls information storage or memory and motor function.

Description : Which of the following regions of the brain is incorrectly paired with its function? (a) Corpus callosum - communication between the left and right cerebral cortices (b) Cerebrum - calculation and contemplation (c) Medulla oblongata - homeostatic control (d) Cerebellum - language comprehension

Last Answer : (d) Cerebellum - language comprehension

Description : Which of the following structures or regions is incorrectly paired with its functions? (a) Medulla : Controls respiration oblongata and cardiovascular reflexes (b) Limbic : Consists of fibre tracts ... thirst (d) Corpus callosum : Band of fibers connecting left and right cerebral hemispheres

Last Answer : (b) Limbic : Consists of fibre tracts system that interconnect different regions of brain controls movement

Description : Which of the following structures or regions is incorrectly paired with its function ? (1) Medulla oblongata : controls respiration and cardiovascular reflexes. (2) Limbic system : consists of fibre ... and thirst. (4) Corpus callosum : band of fibers connecting left and right cerebral hemispheres.

Last Answer : (2) Limbic system : consists of fibre tracts that interconnect different regions of brain; controls movement.

Description : Why is a man’s voice usually lower than a woman’s voice?

Last Answer : The pitch of the voice-how high or low it sounds-depends on the length, tension, and thickness of the vocal cords. Because males have longer vocal cords of up to 1 inch (2.54 ... Testosterone is the hormone that is responsible for the increase of length of male vocal cords during puberty. 

Description : In a comparison of the brain found in lower classes of vertebrates to the brain in higher classes of vertebrates the area showing most increase in relative size is: a) cerebellum b) optic lobe c) medulla d) cerebrum

Last Answer : ANSWER: D -- CEREBRUM

Description : A 16 year old male with a day history of malaise, weakness and vomiting. He was diagnosed with Insulin dependent diabetes mellitus 3 years prviously. Which ONE of the following supports a diagnosis of ... serum glucose 14 mmol/l 4) Decreased appetite in the past few days 5) Shallow respirations

Last Answer : Answers-2 a-An unusual but recognised feature particularly in children. However does not support a diagnosis of DKA. b-Suggests metabolic acidosis. c-'Normoglycaemic DKA' can occur and a glucose ... anorexia. e-Respiratory compensation leads to rapid deep (Kussmaul's) breathing. (Dr Mike Mulcahy)

Description : A 10 years-old boy presents with small greyish white lesion surrounded by a red halos on the soft palate and tonsillar pillars, small vesicles are found. He has fever and pain in the ear. The MOST probable diagnosis is?********** M07 A. Herpangina

Last Answer : A. Herpangina

Description : Which part of the brain plays an important role in motor control? (1) Cerebellum (2) Cerebrum (3) Medulla (4) Pons

Last Answer : (1) Cerebellum Explanation: The cerebellum, also known as little brain, is a region of the brain that plays an important role in balance and motor control. It is also involved in some ... functions (such as regulating fear and plea-sure responses) and in the processing of procedural memories.

Description : The part of the brain responsible for maintain balance like walking in a straight line or riding a bicycle is called – (1) Medulla (2) Pons (3) Pituitary Gland (4) Cerebellum

Last Answer : (4) Cerebellum Explanation: These functions are made possible due to a part of the hind-brain called the cerebellum. It is responsible for precision of voluntary actions.

Description : Hunger centre is in (a) Medulla oblongata (b) Hypothalamus (c) Pons varoli (d) None

Last Answer : (b) Hypothalamus

Description : Which part of the brain plays an important role in motor control? (1) Cerebellum (2) Cerebrum (3) Medulla (4) Pons

Last Answer : Cerebellum

Description : In the human brain, body temperature, metabolism, heart rate, sexual development, sleep and the body's use of fat and water are influenced by this region of the brain. This region of the brain is the: a) hypothalamus b) midbrain c) corpus callosum d) cerebellum

Last Answer : ANSWER: A -- hypothalamus

Description : years old male complaining from scaly lesion in his chest , then become hypopigmented , last 2 months in winter he spend his time neat to sea, by examination showed hypopigmented lesion over chest & arms Dx : Vitiligo taenia versicolor

Last Answer : taenia versicolor

Description : A 35 year old male presents with weakness and tiredness. He is noted to be hyertensive. Electrolytes show a hypokalaemia and a hypomagnesaemia. What investigation would you select for this patient? ... Plasma renin toaldosterone ratio 3) Serum amylase 4) Serum calcium 5) Oral glucose tolerance test

Last Answer : Answers-2 The hypokalaemic hypertension with hypomagnesaemia suggests primary hyperaldosteronism. The most reliable assessment for this would be renin to aldosterone ratio.

Description : With regard to efferent pupillary defect: a. the pupil reacts poorly to light and accommodation b. anisocoria is a feature c. the affected eye has poor distant vision d. a lesion in the sympathetic pathway is a recognized cause

Last Answer : a lesion in the sympathetic pathway is a recognized cause

Description : A patient presents with long time history of knee pain suggestive of osteoarthritis. Now he complains of unilateral lower limb swelling and on examination there is +ve pedal & tibial pitting edema ... appropriate investigation? a. CXR b. ECG c. Echocardiography d. Duplex ultrasound of lower limb

Last Answer : d. Duplex ultrasound of lower limb

Description : Which lobe of human brain is associated with hearing? (1) Frontal lobe (2) Parietal lobe (3) Temporal lobe (4) Occipital lobe

Last Answer : (3) Temporal lobe Explanation: The Temporal Lobes, located on each side of the head above the ears, control hearing and are related to smell, taste and shortterm memory ( ... into dprived meanings for the appropriate retention of visual memory, language comprehension, and emotion association.

Description : Decoding and interpretation of visual information in brain is associated with - (1) Frontal lobe (2) Occipital lobe (3) Temporal lobe (4) Parietal lobe

Last Answer : (3) Temporal lobe Explanation: Temporal lobe is associated with decoding non-verbal patterns, visual decoding, interpreting and remembering visual information. The temporal lobe is involved ... meanings for the appropriate retention of visual memory, language comprehension, and emotion association.

Description : Motor skills are associated with which part of the brain? (1 ) Frontal lobe (2) Parietal Lobe (3) Temporal lobe (4) Occipital Lobe

Last Answer : (1 ) Frontal lobe Explanation: Motor skills are needed to control the movements of the different muscles in the human body. The frontal lobe plays a large role in voluntary movement. ... also involved in problem solving, spontaneity, memory, language, initiation, judgement, impulse control, etc

Description : Which lobe of human brain is associated with hearing – (1) Frontal lobe (2) Parietal lobe (3) Temporal lobe (4) Occipital lobe

Last Answer : (3) Temporal lobe Explanation: The Temporal Lobes, located on each side of the head above the ears, control hearing and are related to smell, taste and shortterm memory.

Description : What is frontal lobe.

Last Answer : Front part of the brain; involved in planning, organizing, problem solving, selective attention, personality and a variety of "higher cognitive functions" including behavior and emotions. The anterior ... produce movement are located in the motor areas. The premotor areas serve to modify movements.

Description : Decoding and interpretation of visual information in brain is associated with (1) Frontal lobe (2) Occipital lobe (3) Temporal lobe (4) Parietal lobe

Last Answer : Temporal lobe

Description : Which lobe of human brain is associated with hearing ? (1) Frontal lobe (2) Parietal lobe (3) Temporal lobe (4) Occipital lobe

Last Answer : Temporal lobe

Description : Motor skills are associated with which part of the brain? (1) Frontal lobe (2) Parietal Lobe (3) Temporal lobe (4) Occipital Lobe

Last Answer : Frontal lobe 

Description : Which of the following anatomical considerations is correct: A. optic chiasm lesions characteristically produce a bitemporal hemianopia B. central scotoma occurs early in papilloedema C. in ... hemianopia E. opticokinetic nystagmus is found with bilateral infarction of the parieto-occipital lobes

Last Answer : Ans: A

Description : Which of the following would be expected following distal occlusion of the posterior cerebral artery? A. cerebellar ataxia B. contralateral hemiplegia C. dysarthria D. homonymous hemianopia E. palatal palsy

Last Answer : Ans: D

Description : Which of the following anatomical considerations is correct: A. optic chiasm lesions characteristically produce a bitemporal hemianopia B. central scotoma occurs early in papilloedema C. in ... hemianopia E. opticokinetic nystagmus is found with bilateral infarction of the parieto-occipital lobes

Last Answer : Ans: A

Description : Which ONE of the following would be expected in a third nerve palsy? A. Enophthalmos B. Constricted pupil C. Convergent strabismus D. Increased lacrimation E. Unreactive pupil to light

Last Answer : Ans: E

Description : Which of the following terms is used to describe a tachycardia characterized by abrupt onset, abrupt cessation, and a QRS of normal duration? a) Paroxysmal atrial tachycardia PAT ... fibrillation Atrial fibrillation causes a rapid, disorganized, and uncoordinated twitching of atrial musculature.

Last Answer : a) Paroxysmal atrial tachycardia PAT is often caused by a conduction problem in the AV node and is now called AV nodal reentry tachycardia.

Description : A 37 years-old patient presents with paroxysmal pain on the left eye that he thinks is related to his maxillary posterior teeth. The pain comes in recurrent bursts and is aggravated by stress and ... diagnosis is: A. Migraine B. Cluster headache C. Trigeminal neuralgia D. Temporal neuritis

Last Answer : B. Cluster headache