So, now that you know what vulnerabilities and exploits are, what is the âzero dayâ part about? How do you count zero days? Until a software vendor releases a patch that fixes a vulnerability, it is considered a âzero dayâ vulnerability. If there is exploit code available for that vulnerability, itâs a âzero dayâ exploit. âZeroâ, in this case, counts the number of days since a patch has been available to the public.
The Certified Respiratory Therapist (CRT) and the Registered Respiratory Therapist (RRT). The CRT is the certification given after successfully passing the entry-level examination NBRC-ELE; The RRT certification is given after first becoming a CRT and then passing the NBRC-WRE and NBRC-CSE.
Pulmonologist. A pulmonologist has taken two or three additional years of training following residency in internal medicine or pediatrics to qualify as a specialist in respiratory diseases. Some pulmonologists may get additional board certification in critical-care medicine. Pulmonary Rehabilitation Therapist. While not a physician, this nurse or respiratory therapist is trained in pulmonary rehabilitation techniques and can provide asthma support and information on exercise and asthma, lung function, and stress and asthma.