What amino acid of the protein colloid in thyroid follicles does iodine bind to?

A. Alanine
B. Tyrosine
C. Threonine
D. Serine


Answer: B

Anatomy & Physiology

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The layer of a blood vessel wall that determines the diameter of the lumen is the:

A. Tunica media B. Tunica externa C. Tunica interna

Anatomy & Physiology

Which of the following is NOT a function of skeletal muscle?

A. body movement B. maintenance of posture C. respiration D. constriction of organs E. production of heat

Anatomy & Physiology

Which muscle plantar flexes the foot?

A. tibialis anterior B. soleus C. extensor digitorum longus D. extensor hallicus longus E. fibularis brevis

Anatomy & Physiology

The figure illustrates a lateral view of the right eyeball. What does "A" represent?

A. inferior oblique B. lateral rectus C. superior oblique D. superior rectus E. inferior rectus

Anatomy & Physiology