Which of the following is not a characteristic of cranial bones?
A. They may be paired or unpaired.
B. They are in contact with meninges.
C. They form the cranial fossae.
D. They protect the brain.
E. They develop from pharyngeal arches.
Answer: E
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Which of the following does not account for the gelatinous consistency of connective tissue ground substance?
A. Collagen B. Hyaluronic acid C. Glycosaminoglycans (GAGs) D. Proteoglycans E. Chondroitin sulfate
Answer the following statements true (T) or false (F)
1) Inflammation of the serous membranes of the abdominopelvic cavity is called peritonitis. 2) Inflammation caused by erosion due to gastric reflux is called a peptic ulcer. 3) Blockage of the lower part of the esophagus due to weak peristalsis and malfunction of the lower esophageal sphincter is called esophagitis. 4) Chief cells produce pepsinogen. 5) Parietal cells produce intrinsic factor.
Which of the following is a vasodilator?
A. Thromboxane A2 B. Digitalis C. Nitric Oxide D. Erythropoietin
Erythropoietin is produced by the kidneys to:
A) regulate red blood cell production by the bone marrow. B) regulate blood solute concentration. C) conserve or eliminate hydrogen and bicarbonate ions. D) regulate removal of metabolic wastes.