The smallest sub-atomic particle is the ______.
A. ion
B. electron
C. proton
D. isotope
E. neutron
B. electron
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Of the following, which has benefited at the expense of all of the others in the global shift toward open markets and free trade through neoliberal policies propagated by core countries?
A) corporate businesses B) the environment C) public investment in transportation and public utility infrastructure D) the power and influence of labor unions E) role of central and local governments as mediators and regulators
In which of the following stages does each
chromosome consist of two DNA molecules? I. metaphase II. telophase III. prophase IV. anaphase
a. III and IV b. I, III, and IV c. I and III d. I, II, and III e. I, II, III, and IV
Robert has a tumor on his brain that requires radiation. Before his treatment, doctors perform a CT scan so they can know where to target the beam of radiation. Robert's head is shaved in that area and he receives a tiny circle tattoo to allow the radiation technicians to pinpoint the beam of radiation. What type of therapy is Robert receiving?
A. low-dose internal radiation therapy B. external radiation therapy C. high-dose internal radiation therapy D. interstitial brachytherapy E. chemotherapy
Which of the following pairs is mismatched?
A) tetanus — releases potent neurotoxin B) botulism — stimulates transmission of nerve impulse C) poliomyelitis — multiplication of virus occurs in throat and small intestine D) rabies virus — destroys cells of the CNS E) leprosy — deformation of nose and hands can occur