Select the best response to the question.
?You are preparing a hospitalized patient for discharge home. What are the important instructions to include in your discharge medication teaching?
A) To take the prescribed antibiotic only as long as symptoms are present to decrease the risk of antibiotic resistance.
B) To vary the administration times of the antibiotic according to the severity of symptoms.
C) To continue the antibiotic only if the patient's fever returns.
D) To take all of the prescribed antibiotics to decrease the risk of antibiotic resistance and disease recurrence.
D
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Southern blot is a method for ____
a. amplifying DNA segments using cycles of denaturation, annealing to primers, and DNA polymerase-directed DNA synthesis b. transferring DNA fragments from a gel to a membrane filter and used in hybridization experiments c. determining the nucleotide sequence of a DNA molecule d. producing several clones from a single cell by placing the cell in a Petri dish and allowing it to go through several divisions e. detecting mutant genes or differences in the pattern of gene expression
In fruit flies normal wings are dominant over vestigial wings. If a homozygous normal-winged fly and vestigial-winged fly were crossed, what would the phenotype of the fly offspring be?
A. all vestigial-winged B. all normal-winged C. three normal: one vestigial-winged D. one normal-winged: two half-winged: one vestigial-winged
Which of the studies below provide evidence linking genes and behavior? (Check all that apply)
A. Mice that are lacking either the ephrinB3 or the EphA4 gene cannot walk normally, but instead hop like a kangaroo. B. Twin studies comparing monozygotic and dizygotic twins have found a high heritability for height, although environmental influences like nutrition also play a role. C. Fruit flies that are mutant for the genes dunce or rutabaga have impaired learning. D. Two lines of fruit flies were created by repeatedly selecting for high or low aggressive behavior. After multiple generations, the high line was reliably more aggressive than the low line.
Opportunistic infections typical of AIDS but rare otherwise include
A. tuberculosis. B. Pneumocystis pneumonia. C. Kaposi's sarcoma. D. tuberculosis and shingles. E. Pneumocystis pneumonia and Kaposi's sarcoma.