Normal urine from a healthy person should not contain ________.
A. magnesium
B. urobilin
C. creatinine
D. glucose
E. ammonia
Answer: D
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The lungs are located in the ________ on either side of the heart
A) plural cavities B) pelvic cavity C) abdominal cavity D) thoracic cavity
All of the following will help the skin to fight infection but one. Which of the following will have little effect on the skin's ability to fight infection?
A) Increased secretions of defensins from skin cells. B) Greater production of keratinocytes resulting in more layers of the stratum corneum. C) More tight junctions between keratinocytes of the stratum corneum. D) Greater production of melanin.
Which cellular operation occurs in the smooth endoplasmic reticulum?
A) DNA replication leading to cell division B) synthesis of ribosomes via nucleoli C) synthesis of RNA D) manufacture of carbohydrates and lipids E) regulation of protein synthesis
The most abundant agranulocyte is the
a. basophil. b. eosinophil. c. lymphocyte. d. monocyte. e. neutrophil.