Which of the following parasites can produce premunition

() are free-living organisms that are capable of becoming parasitic<br/>if placed in a situation conductive to such a mode. A: opportunistic parasite B: Obligatove parasites C: Endoparasite D: Facultative parasites

中国大学MOOC: Ivermectin is highly effective against a range of parasites and has no side effects.

Ivermectin is highly effective against a range of parasites and has no side effects. A: 正确 B: 错误

The best descriptive term for the resident flora is () A: commensals B: parasites C: pathogens D: mutualists

Which is common cause of acute glomerulonephritis A: Group A β hemolytic streptococci B: Mycoplasma C: parasites D: fungi E: CMV

Which of the following is NOT function of white blood cells ____. A: Guard against infection B: Fight parasites C: Attack bacteria D: Carry oxygen

The combination of fever and rigors in a patient who has recently returned form Africa strongly suggests a diagnosis of __________. A: malaria B: incubation C: prophylaxis D: parasites

Which of the following statements doesn’t describe the basic<br/>properties of virus?() A: obligate intracellular parasites B: filterable C: contain DNA or RNA D: self-replication E: binary fission