Physiology::Endocrine

Question 1

Symptoms of hyperthyroidism

Answer 1

Sweating
Weight loss
Emotional lability
Appetite increased
Tremor/Tachy due to AF
Intolerance to cold
Nervousness
Goitre/GI problems(Loose stools/diarrhoea)

Question 2

Types of hyperthyroidism

Answer 2

Primary Hyperthyroidism
- Graves
- Solitary toxic adeoma
- toxic multinodular goitre
- Acute phase of thyroiditis
- Drugs- Amiodorone

Secondary Hyperthyroidism
- Pituitary/hypothalamic tumour
- metastatic thyroid CA
- Choriocarcinoma
- ovarian teratoma

Question 3

Parts of the adrenal gland

Answer 3

Outer cortex
Inner Medulla

Outer Cortex
1. Zona glomerulosa
2. Zona fasciculata
3. Zona reticularis

Medulla1. Chromaffin cells

Question 4

Hormaones secreted by Adrenal gland

Answer 4

Cortex:

1. Zona glomerulosa- Mineralocorticoid( Aldosterone)
2. Zona fasciculata- Glucocorticoid(Cortisol)
3. Zona reticularis- Sex hormones

Medulla:

1. Adrenaline
2. Noradrenaline
3. Dopamine
4. b-hydroxylase
5. ATP
6. Opiod peptides