Which of the following does not cause relaxation of smooth muscle within local arterioles?

a. carbon dioxide
b. endothelin
c. nitric oxide
d. histamine
e. increased osmolarity


B

Anatomy & Physiology

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In addition to the supporting muscles and ligaments found in the vertebral column, the thoracic spine is further stabilized by the:

A) diaphragm. B) upper sternum. C) rib attachments. D) large spinous processes.

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Which of the following conditions could cause diabetes insipidus?

A. Excess production of ADH from the pituitary gland B. Pituitary tumor C. Autoimmune disorder of the pancreas D. Exceeding transport maximum levels of glucose in the renal tubule

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Where would you find the trachealis muscle?

A. Between the esophagus and the trachea B. Superior to the larynx C. Between the esophagus and the diaphragm D. Between the larynx and the pharynx E. Between the trachea and the diaphragm

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The first heart sound (the "lub" of the "lub-dup") is caused by __________.

A. opening of the atrioventricular valves B. closure of the atrioventricular valves C. opening of the semilunar valves D. closure of the semilunar valves

Anatomy & Physiology