_________ Is Not a Cause of Hypothyroidism

question 341

Multiple Choice

_________ is not a cause of hypothyroidism.

• A)Lack of TRH
• B)An iodine-deficient diet
• C)Grave's disease
• D)Lack of an enzyme necessary for one of the steps in the synthesis and release of thyroid hormone
• E)Lack of TSH

---

Definitions:

Internal Iliac Vein

A major vein that drains blood from the pelvis and lower abdominal wall into the common iliac vein.

Common Iliac Vein

A large vein that forms from the union of the internal and external iliac veins and returns blood to the heart from the lower limbs.

External Iliac Vein

A large vein that carries deoxygenated blood from the lower limbs back to the heart.

Great Saphenous Vein

The longest vein in the body, running along the length of the lower limb, it transports blood from the foot back up to the deep femoral vein in the thigh.