Which of the following structures contains both smooth and skeletal muscles?

(A) stomach
(B) jejunum
(C) cecum
(D) esophagus
(E) rectum


Ans: (D) esophagus

Anatomy & Physiology

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The amount of air that can be forcefully inhaled beyond a normal inhalation is called ________.

A. tidal volume B. residual volume C. inspiratory reserve volume D. expiratory reserve volume

Anatomy & Physiology

Homeostasis is the condition in which the body maintains ________

A) a dynamic state within an unlimited range, depending on circumstances B) a relatively stable internal environment, within limits C) the lowest possible energy usage D) a static state with no deviation from preset points

Anatomy & Physiology

Which vein drains the thoracic and abdominal walls?

A. Brachiocephalic B. Subclavian C. Axillary D. Azygos E. Intercostal

Anatomy & Physiology

Urine drains from the nephron into the calyces through the ________.

A. loop of Henle B. Bowman capsule C. distal convoluted tubule D. proximal convoluted tubule E. collecting duct

Anatomy & Physiology