Symptoms of cardiovascular collapse (shock) can occur during an infection due to
a. massive #s of bacteria multiplying in the blood
b. septic shock from release of endotoxins
c. chemicals being released from tissue damage and inflammation
d. production of interleukin-1
Answer: a. massive #s of bacteria multiplying in the blood
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Most likely, immunology got its start in 1890 when these scientists discovered antibodies while developing a diphtheria antitoxin.
A) Edward Jenner and Louis Pasteur B) Elie Metchnikoff and Robert Koch C) Emil Behring and Kitasato Shibasaburo D) Jonas Salk and Albert Sabin
In humans, blood cells are produced in the
a. bone marrow. b. heart. c. kidneys. d. liver. e. lymph nodes.
Which of the following structures in a
flowering plant life cycle is directly formed by meiosis
a. microspores and megaspores b. sperm and eggs c. male and female gametophytes d. male and female sporophytes e. all of these structures are formed directly by meiosis
Which group of fungi has hyphae that are multinucleate and not divided by septa?
a. monokaryotic b. unicellular c. ascomycete d. coenocytic e. sporophyllous