What element is necessary for thyroid hormone production?

A. Calcium
B. Sodium
C. Magnesium
D. Potassium
E. Iodine


E. Iodine

Anatomy & Physiology

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Urination is triggered by a complex sequence of events called the ________ reflex.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which one of the following is NOT a sign of diabetes mellitus?

A) polyuria B) polydipsia C) moon face D) polyphagia E) acidosis

Anatomy & Physiology

The two organ systems involved in controlling all other systems to maintain homeostasis are the

A. urinary and respiratory. B. skeletal and muscular. C. endocrine and digestive. D. nervous and endocrine.

Anatomy & Physiology

The lens of the eye flattens when

A. extrinsic eye muscles contract. B. intrinsic muscles of the iris contract. C. extrinsic eye muscles relax. D. ciliary muscles contract. E. ciliary muscles relax.

Anatomy & Physiology