Answer:
The “lub” is the first heart sound, commonly termed S1, and is caused by turbulence caused by the closure of mitral and tricuspid valves at the start of systole. The second sound,” dub” or S2, is caused by the closure of aortic and pulmonic valves, marking the end of systole.
Answer:
Might be true...
Peer pressure—their friends encourage them to try cigarettes and to keep smoking. They see smoking as a way of rebelling and showing independence. They think that everyone else is smoking and that they should, too. The tobacco industry has used clever marketing tactics to specifically target teenagers.
Credit:
Why Kids Start Smoking | American Lung Association
Hope it helps!
Answer:
a medicine which promotes the secretion of sputum by the air passages, used to treat coughs.
Explanation:
plz mark me as a brainlest
The nurse needs to be aware about the various blood types, blood transfusion techniques, and reaction monitoring techniques.
Transfusing whole blood or blood components is a component of blood transfusion therapy (BT) (specific portion or fraction of blood lacking in patient). Following a blood transfusion, the patient is susceptible to a number of transfusion-related complications, including graft versus host disease, allergy, febrile (non-hemolytic), and hemolytic responses. Nurse must Check the doctor's order. Inform the client and describe the procedure's goal. Verify the type and cross-matching. To make sure there's a fit Obtain baseline vital readings and record them. adhere to stringent asepsis The label of the blood transfusion is checked by at least two registered nurses.
learn more about blood transfusions here- brainly.com/question/16026147
#SPJ4
