What region of the stomach does food first enter after its passage through the relaxed gastroesophageal sphincter?
A) body B) pylorus C) fundus D) cardia
Answer: D
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Which is not correct regarding nephrons?
A. The renal corpuscle includes the glomerulus and the glomerular capsule. B. Eighty-five percent of nephrons are cortical nephrons. C. The nephron is the functional filtration unit in the kidney. D. The renal tubule is composed of the proximal convoluted tubule, nephron loop, and distal convoluted tubule. E. The renal corpuscle may be located in the renal cortex or renal medulla.
The carrier protein that transports absorbed iron through the blood is ________.
Fill in the blank(s) with the appropriate word(s).
In the appendicular region, the wrist is called the ________ region, and the ankle is called the ________ region.
A. crural; antebrachial B. manual; pedal C. brachial; crural D. metacarpal; metatarsal E. carpal; tarsal
What is a mutagen?
A. An agent that causes an immunodeficiency B. An agent that causes an allergic response C. An agent that causes cancer D. An agent that causes a genetic mutation