10) why do viruses need living hosts, such as bacteria or eukaryote cells? a) the host cell is the source of food for the virus. b) viruses depend on the host cells that they infect to reproduce. c) viruses have a cellular structure which never require a host. d) viruses depend on a host cell because they lack their own dna or rna.

If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.