A 23-year-old medical student who had four injections of diphtheria, pertussis, and tetanus (DPT) in her first year of life and a booster at age 12 years but no subsequent tetanus immunization, is bitten by a mouse while doing an experiment. She should be given:

(A) tetanus toxoid, which will passively immunize her.
(B) tetanus antitoxin(equine), which will passively immunize her.
(C) tetanus immuneglobulin(human), which will passively immunize her.
(D) tetanus toxoid, which will actively immunize her.
(E) tetanus immune globulin (human), which will stimulate an anamnestic response.

hi~~

i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)

answer: national resource conservation services

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