Bacteria constitute about ________% of the dry weight of the feces
A) 30 B) 2 C) 14 D) 80 E) 55
A
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The hormone produced by male testes which is necessary for sperm production is ________
A) estrogen B) cortisol C) testosterone D) prolactin
Which of the following is an inherited disease characterized by destruction of ACh-secreting and GABA-secreting neurons in the basal nuclei causing difficulty controlling movements?
A) schizophrenia B) Parkinson's disease C) Huntington's disease D) Alzheimer's disease E) senile dementia
Which of the following is an indicator of inadequate artificial ventilation when ventilating an apneic, tachycardic adult with a bag-mask device?
A) The patient's heart rate slows down. B) One breath is given every 10 to 12 seconds. C) About 12 to 20 breaths/min are being delivered. D) Each ventilation is delivered over 1 second.
A defect in which of the following would prevent a cell from attaching to neighboring cells?
A. Aquaporins B. Phospholipids C. Cholesterol D. Cell-adhesion molecules