Lec 5

Question 1

Hyperthermia

Answer 1

Anterior hypothalamus (controls heat-loss mechanism)

Question 2

Hypothermia

Answer 2

Posterior hypothalamus (heat conservation mechanism)

Question 3

Genital dystrophy and abnormalities in sexual development

Answer 3

Tuberal region of hypothalamus

Question 4

Feeding, obesity, and emaciation

Answer 4

Obesity: lesion of region of ventromedial hypothalamus

Emaciation: Area of the lateral hypothalamus

Question 5

Diabetes Insipidus

Answer 5

Supraoptic and paraventricular nuclei (from which anti diuretic hormone is systhesized)

Question 6

Hypertension

Answer 6

Excess release of corticotropin releasing factor in the medial hypothalamus; lesion of the medial hypothalamus include Horner’s syndrome

Question 7

Sleep disorders

Answer 7

Lesions of the posterior hypothalamus-midbrain border

Question 8

Aggression and rage behavior

Answer 8

Tumors in medial hypothalamus