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gongu · Credits: 4772 My Scrapbook

A) not seen in anorexia nervosa ; 1.bradycardia 2.lanugo hair 3.amenorrhea 4.weight loss . please help . B) treatment of respiratory alkalosis is ; 1. sodium chloride 2.ammonium chloride 3.5%glucose 4.carbon dioxide inhalation . please help.
C) in metabolic acidosis , what happens to pc02 ; 1.increase 2.decrease 3.same 4. none . ans given is 2. please help. D)ataxic nystagmus is seen in lesion of ; 1.labyrinth 2.cerebellum 3.vestibule 4.medial longitudinal fasciculus. please help

nabrina · Credits: 3146 My Scrapbook

D) Ataxic nystagmus is seen in lesion of;
1. Labyrinth
2. Cerebellum
3. Vestibule
4. Medial longitudinal fascicules. Answer

Bickerstaff's Neuro. Exam. in Clin. Practice → Page 69
“Nystagmus of dissociated rhythm in the two eyes” This is the so-called 'ataxic nystagmus in intranuclear ophthalmoplegia. There is defective inward movement of the adducting eye with a fine nystagmus + a coarse, irregular, rather dramatic nystagmus of the abducting eye, of dissociated rate & rhythm.
→ may be mimicked by asymmetrical muscle weakness in M gravis.
Causes → lesions of the median longitudinal bundle. This most commonly, but by no means invariably, is caused by multiple sclerosis.”

pm · Credits: 1740 My Scrapbook

a) wt loss

drgursev · Credits: 347 My Scrapbook

answer to question a] is bradycardia simply by exclusion as the other thre are definitely mentioned as features of anorexia nervosa.

ans to b] is carbon dioxide inhalation though not practically used, theoretically that is the answer will let u know the reference soon...

ans to c] is decrease in co2 bcos as u know any metabolic abnormality is initially compensated by respiratory mechanisms so in presence of excess acid in the body co2 wash out is bound to occur by hyperventilating eg. kussmaul's breathing in salicylate poisoning.

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