A chemical agent that kills pathogenic microbes in general is a(n)
A. sanitizer.
B. germicide.
C. disinfectant.
D. fungicide.
E. antiseptic.
Answer: B
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Could two phenotypically normal parents have a child with cystic fibrosis?
a. Yes b. No
Testosterone exerts _______ feedback on secretion of luteinizing hormone.
Fill in the blank(s) with the appropriate word(s).
Which of the following correctly traces the path of blood from the heart to the kidneys and back to the heart again?
Select one: a. left ventricle ? vena cava ? renal vein ? kidney ? renal artery ? aorta ? right atrium b. right atrium ? aorta ? renal artery ? kidney ? renal vein ? hepatic portal vein ? vena cava ? left atrium c. left ventricle ? renal artery ? kidney ? renal vein ? vena cava ? right atrium d. left ventricle ? aorta ? renal artery ? kidney ? renal vein ? vena cava ? right atrium e. right ventricle ? aorta ? renal artery ? kidney ? renal vein ? vena cava ? hepatic portal vein ? right atrium
Which is incorrect about viral diseases?
A. Most DNA viruses multiply in and are released from the cytoplasm. B. Viral diseases can be zoonoses. C. Diagnosis of some diseases involves antigen detection with monoclonal antibodies. D. Some viruses are teratogenic. E. Some DNA viruses can become permanent residents of host cells.