A hemagglutination test is useful for
A. determining antibody titer.
B. blood typing.
C. determining effectiveness of immunization.
D. detecting presence of a pathogen in patient serum.
E. diagnosing viral infection.
Answer: B
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A kidney dialysis machine
a. may cleanse the patient's blood outside the body. b. may use the patient's abdominal cavity as the site for solute exchange. c. may use hemodialysis. d. may use peritoneal dialysis. e. may do all of these
You have a small tree in your yard that is the height that you want it, but does not have as many branches as you want. How can you prune it to trigger it to increase the number of branches?
A) Cut off the leaves at the ends of several branches. B) Cut off the tips of the main shoots. C) Cut off lower branches. D) Cut off the leaves at the base of most of the branches.
Charlotte liked to have a suntan all of the time, so she never wore sunscreen at the beach or in the tanning salon. During a visit to her doctor, she was told that she has the most common form of skin cancer. She will be all right, but she should avoid
prolonged exposure to UV radiation in the future. Which skin cancer does she have? A) melanoma B) basal cell carcinoma C) squamous cell carcinoma D) sebaceous carcinoma
The Biological Species Concept:
a) is the best and most accurate species concept. b) states that species that live together will eventually start breeding. c) states that a species is any group which shares similar DNA. d) states that any organisms that are biologically similar constitute a species. e) defines a species as any group of actually or potentially interbreeding species that produce viable offspring