Which of the below is not one of the Four types of descriptive studies in epidemiology:
a. ecologic studies
b. case reports
c. case series
d. divisional surveys
Ans: d. divisional surveys
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All aerobic bacterial species have identical electron acceptors in their electron transport systems.
Answer the following statement true (T) or false (F)
What is the best way to protect the population against Haemophilus influenza type b infections?
A) Since the chances of complications are rare, no treatment is required. B) antibiotic treatment after onset of symptoms C) antitoxin treatment when exposure has occurred D) use of the Hib vaccine in young children E) IV fluids are commonly prescribed due to loss of fluids.
In prokaryotic cells, translation begins before transcription is finished. Give two reasons why this would not be possible in eukaryotic cells.
What will be an ideal response?
Which hormone, made by the kidney, is necessary for red blood cell production by bone marrow?
a. erythropoietin b. hemoglobin c. insulin d. erythrocytes e. leucocytes