Which of the following explains the relationship between stress and performance based on the Yerkes-Dodson Law? A.
Stress increases performance up to a certain point, but then decreases performance.
B.
Less stress increases performance.
C.
Less stress decreases performance.
D.
More stress increases performance.

Will treating a viral infection with antibiotics affect the course of the infection? a) no; antibiotics work by inhibiting enzymes specific to bacteria. antibiotics have no effect on eukaryotic or virally encoded enzymes.b) no; antibiotics do not kill viruses because viruses do not have dna or rna.c) yes; antibiotics activate the immune system, and this decreases the severity of the infection. d) yes; antibiotics can prevent viral entry into the cell by binding to host-receptor proteins.