Thyroid

Question 1

Thyroid gland secretes

Answer 1

•Triiodothyronine (T3)

•Thyroxine (T4)

Question 2

Hypothyroidism

Answer 2

Primary: abnormality in the thyroid gland itself

Secondary: when cause is other body system dysfunction
Example: pituitary gland is dysfunctional and does not secrete TSH

Question 3

Hypothyroidism drug

Answer 3

levothyroxine (Synthroid)
•Synthetic T4
•Treatment of all forms of hypothyroidism

ADVERSE:
•Cardiac Dysrhythmias, tachy
•Weight loss
•Palpitations

Question 4

Levothyroxine Client Care Implications

Answer 4

•Teach clients to report any unusual symptoms, chest pain, or heart palpitations

•Take levothyroxine 30-60 min before breakfast

Question 5

Hyperthyroidism

Answer 5

Excessive thyroid hormone secretion

Increased activity of multiple body systems (opposite to hypothyroidism)
●CV (eg palpitations, increase HR)
●CNS stimulation (nervousness, rapid thought/speech, insomnia)
●High metabolic rate (heat intolerance, skin flushed and moist)
●Muscle weakness and atrophy
●Increased appetite but weight loss

Question 6

Hyperthyroidism drugs

Answer 6

Radioactive iodine (131I)
•Destroys thyroid gland

Antithyroid drugs: thioamide derivatives
Methimazole
•Prevent thyroid hormone synthesis