The "hypothyroid" condition also known as "myxedema," may be characterized by the formation of a "goiter," or enlargement of the thyroid gland.

a. true
b. false


Ans: a. true

Anatomy & Physiology

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The infraspinatus has its insertion on the

A) greater tubercle of the humerus. B) tuberosity of the radius. C) lesser tubercle and intertubercular groove of the humerus. D) clavicle and scapula. E) vertebral border near the spine.

Anatomy & Physiology

The partial pressure of oxygen in arterial blood is approximately ________ mm Hg.

A) 45 B) 100 C) 50 D) 40 E) 70

Anatomy & Physiology

An excess of hormones in the blood may cause target organs to decrease the number of receptors for that hormone in a process called

A. negative feedback B. receptor inhibition C. down-regulation D. positive feedback

Anatomy & Physiology

Sperm production occurs in the

A) ductus deferens. B) seminiferous tubules. C) epididymis. D) seminal glands. E) rete testis.

Anatomy & Physiology