Which stage is missing from the chain of infection: infectious disease, reservoir, portal of exit, portal of entry, susceptible host. a. mode of entry b. mode of transmission c. route of entry d. route of transmission

Maintaining a healthy weight allows the respiratory system to work more effectively because a. oxygen is being delivered more adequately. b. the heart does not have to pump as forcefully. c. the capillaries are constricted. d. the lung capacity allows for small amounts of air.

Aphysician performs a four vessel autogenous ( one venous three atrial) coronary bypass on a patient who has

Which of these is a controllable risk fator for disease