Answer: D) Pulmonary and aortic valves.
Explanation
There are two main heartbeats from a healthy heart.
The first beat is called the S1 or the lub, and it occurs when the atrioventricular valves (comprising the mitral and tricuspid valves) close.
The second beat is called the S2 or the dub, and it occurs when the semilunar valves (comprising the aortic and pulmonary valves) close.
Listening for heart beats is an essential part of cardiac auscultation.
Electrons are the smallest of the three particles that make up atoms.
Please correct me if I'm wrong!! I'd be happy to fix it!! :)
Im not knowing of this subject but i'm sure your answer is C.) Patterns
I really hope this helps. Have a nice day.
Natural gas
explanation:
solar power, coal, and petroleum are used to power things (i.e. produce electricity)
A patient with an antiquity
of renal calculi has fever, flank discomfort, and bacteriuria. The nurse caring
for this patient comprehends that it is important for the healthcare provider
to <span>commence antibiotic therapy after urine culture
and sensitivity outcomes are available.</span>