What is an agent called that is effective against gram-positive and gram-negative bacteria?
A) broad spectrum
B) bacteriostatic
C) bacteriocidal
D) antiviral
Ans: A) broad spectrum
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Which of the following is NOT true regarding ventilation-perfusion inequality?
A. It is increased from normal in patients with emphysema. B. It is caused by too little or too much blood flow relative to ventilation. C. No inequality exists in normal lungs. D. It may result from increased alveolar dead space. E. It is caused by too little or too much ventilation relative to blood flow.
Candida albicans and E. coli are which type of abnormal constituent of urine
a) ketone bodies b) erythrocytes c) casts d) microbes e) urobilinogen
Decreasing the extracellular concentration of K+ affects the resting membrane potential by causing
A) hyperpolarization. B) depolarization. C) no change.
The Pancreatic polypeptide cells (PP cells) of the pancreatic islets produce
A) insulin. B) glucagon. C) pancreatic polypeptide. D) cortisol. E) GH-IH.