ANSWER PLEASE Krisha goes to check on her roommate and finds her unconscious. Krisha confirms that her roommate has no pulse, but is untrained in CPR. What
should Krisha do while waiting for the ambulance to arrive?
A. Krisha should administer chest compressions and mouth to
mouth breathing while waiting for the ambulance to arrive.
B. Krisha should administer chest compressions while waiting for
the ambulance to arrive.
C. Krisha should administer mouth to mouth breathing while waiting
for the ambulance to arrive.
D. Krisha should avoid administering CPR and should help her
roommate to regain consciousness while waiting for the
ambulance to arrive.
SUBMIT

Make a prediction about that person’s wellness and justify your prediction using two or more complete sentences.

Which of the following processes within viral replication is the greatest source of genetic variation in rna virus populations? a) high mutation rate due to lack of proofreading of rna genome replication errors.b) transcription from the host cell rna polymerase introduces numerous mutations.c) capsid proteins from the host cell can replace the viral capsid.d) viral rna is translated by host cell ribosomes.

A92-year-old man with a 45-year history of chronic obstructive pulmonary disease is intubated in the icu because of a bout of viral pneumonia that fails to improve after 72 hours of antibiotics. although the inspired fraction of oxygen is 100%, the patient's po2 remains at 57 mmhg. positive-end expiratory pressure (peep) is added to allow the inspired fraction of oxygen. twelve hours after the introduction of peep the patient suddenly become hypotensive. at the same time, his oxygen saturation drops from 92% to 61%. on physical examination, his bp is 80/50 mmhg and his pulse is 124/min. he has distended neck veins and distant heart sounds. which of the following would also most likely be seen on this patient's physical examination? - absence of breath sounds in the right hemithorax- high amplitude carotid artery upstroke- a pleural friction rub- pulsus alternans- splenomegaly