Which of the following statements about donepezil (Aricept) is FALSE?
A) It is the most prescribed drug for Alzheimer's disease.
B) It was originally derived from an unusual strain of daffodil bulbs.
C) It is approved by the FDA for treating all stages of Alzheimer's disease.
D) It belongs to the category of cholinesterase inhibitor drugs.
Answer: B
A) This is a true statement.
B) Galantamine, not donepezil, is from daffodils.
C) This is a true statement.
D) This is a true statement.
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If a patient’s red blood cell count drops below the normal range of 3.6 x 10^6 cells/?l to 6.0 x 10^6 cells/?l , the patient is suffering from anemia. The red blood cell count of a patient is 2,100,000 cells/?l. Write this cell count in scientific notation. Is this patient anemic?
A) 21,000,000 cells/?l; yes B) 2.1 x 10^6 cells/?l; no C) 2.1 x 10^5 cells/?l; yes D) 2.1 x 10^7 cells/?l; no E) 2.1 x 10^5 cells/?l; yes
The presence of ketones in the urine may indicate:
A) diabetes. B) kidney infection. C) anemia. D) renal failure.
A painless lesion that develops at the initial site of syphilis infection is called a(n)
A) chancre. B) ulcer. C) abscess. D) bruit.
Which of the following are true?
A. American swimmer Michael Phelps almost tied with another American swimmer, Mark Spitz (1976 Munich Olympics) as the most decorated Swimmer in Olympic history. Phelps was one medal shy of tying Spitz. B. The entire Chinese women's gymnastics team was disqualified when it was discovered that they were under age; gymnasts must be 16 years old during the Olympics. The oldest Chinese gymnast was 15, the youngest 14. C. American swimmer Dara Torres made Olympic History as the first swimmer to compete in five different Olympics. She won three silver medals in Beijing. D. President Robert Mugabe of Zimbabwe traveled to Beijing to personally present the gold medal to Kristy Coventry who won the 200-meter backstroke. He received a warm welcome in Beijing from the Chinese government.