The sa node <u>spontaneously</u> fires at regular intervals.
<h3>What is SA node?</h3>
SA node; an accronym for sinoatrial node is a mass of specialized issue situated in the heart; specifically in the right upper chamber of the heart.
This sinoatrial node help the heart generates electrical stimulus regularly usually between 60 to 100 times per every minutes
<h3>What is heart?</h3>
The heart is a muscular organ and the only organ in the known which helps to pump blood to various parts of the body
- Helps in the mentenance of blood pressure
- It helps to pump oxygenated blood
- It helps to transfer hormones
- Helps to receive deoxygenated blood as well
Learn more about SA node of the heart:
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Answer:
because you inhale metals into your lungs which damages them
The difference is that cardio focuses mainly on your cardiovascular system which is vital in activities such as running, swimming etc. Strength training is mainly based on well, strength. How much weight can be lifted. so the difference really speaks for itself. A runner will mostly do cardio whereas a football player will mainly focus on strength. Both can be used simaltaneously in a work out.
Answer:
if a nurse who provides weekly care in a homeless shelter has unknowingly inhaled airborne Mycobacterium tuberculosis and has subsequently developed latent tuberculosis infection then it is TRUE that "The nurse is likely asymptomatic."
Explanation:
for us to be able to understand this question we need to know what the key terms are such as;
Mycobacterium tuberculosis(M. tb) this is a species of pathogenic bacteria in the family Mycobacteriaceae and it causes tuberculosis. It was First discovered by Robert Koch, M. tuberculosis in 1882.
Latent tuberculosis infection (LTBI) this is a state of persistent immune response to stimulation by Mycobacterium tuberculosis antigens without evidence of clinically manifested active TB. this is a state where someone is infected but the symptoms do not show.
Asymptomatic
: this simply means showing no symptoms of the disease.
so by all the basis above we can conclude that the nurse is likely asymptomatic.
