The pacemakers are implants that are used for the regulation of heartbeats (correction of irregular heartbeats).
It is a small device, implanted (minor surgical procedure) just under the skin of the chest, that sends electrical impulses to the heart muscle to maintain a suitable heart rate and rhythm.
The pacemaker has two parts:
<span>· </span>the leads which are threaded through the veins into the heart and implanted into the heart muscle. They send impulses from the pulse generator to the heart muscle. There can be one or more leads depending on the type of the heart problem
<span>· </span>a pulse generator which contains the battery and a tiny computer and resides just under the skin of the chest.
<span>Each impulse causes the heart to contract. A pacemaker may also be used to treat different heart issues such as fainting spells (syncope), congestive heart failure, and hypertrophic cardiomyopathy.</span>
They change the chemical composition of DNA, which can affect the structure or number of chromosomes.
<span>Decrease. Net filtration is the equilibrium force that can be measured in the capsular space of the renal corpuscle. This determines how much water and small dissolved solutes leave the blood in the glomerulus. The equation for net filtration is: (IFOP); NFP = GBHP - (CHP + BCOP). The Net Filtration is generally around 10 mm Hg.</span>
Trimethoprim-sulfamethoxazole (TMP-SMX) are a class of antibiotics used in the treatment of bacterial infections due to their inhibitory actions in the folic acid biosynthesis pathway of bacteria.
<h3>What is TMP-SMX?</h3>
Trimethoprim-sulfamethoxazole (TMP-SMX), otherwise known as co-trimoxazole, is a combination of two antimicrobial agents that work synergistically to inhibit the enzyme systems involved in the bacterial synthesis of tetrahydrofolic acid.
They are used in the treatment of urinary tract infections, respiratory tract infections, cholera, etc.
They can be administered intravenously or orally.
Therefore, Trimethoprim-sulfamethoxazole (TMP-SMX) are antibiotics used in the treatment of bacterial infections.
Learn more about bacterial infections at: brainly.com/question/2009215
<h2>c) option is correct</h2>
Explanation:
Melanin causes skin pigmentation, lowers the skin's ability to make vitamin D in response to sunlight exposure and some studies show that older adults with darker skin are at high risk of vitamin D deficiency
If there is lighter skin tones of people, it implies that the amount of Vitamin D is more in those people and skin of those people have the ability to process vitamin D from the sun