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What kind of feedback mechanism is it when it causes the initial stimulus to decline?
negative feedback
What is osmotic hemolysis?
It is the destruction of red blood cells due to their immersion in hypotonic solution,leading to an inflow of water απδ swelling to their maximum threshold resulting in bursting απδ consequent release of hemoglobin.
What causes hemolysis?
Hemolysis can be caused by various factors, including infections, autoimmune disorders, certain medications, genetic conditions such as sickle cell disease, and exposure to certain chemicals or toxins. Hemolysis occurs when red blood cells rupture and release their contents into the bloodstream, which can lead to symptoms such as fatigue, jaundice, and anemia.
A organism grown on blood cause beta hemolysis can be considered?
A bacterium grown on blood that causes beta hemolysis indicates that it lyses (breaks down) red blood cells completely, leaving a clear zone around the colony on blood agar. This can be seen in organisms such as Streptococcus pyogenes, which can cause serious infections like strep throat and skin infections.
What is the function of the fine and coarse adjustments?
With the "coarse" adjustment, the adjustment mechanism causes a large amount of movement in the thing being adjusted with very little movement of the adjusting mechanism. With the "fine" adjustment, the adjustment mechanism causes a small amount of movement in the thing being adjusted with a lot of movement of the adjusting mechanism. Frequently the two adjustments will be two knobs each with different gearing - say on a telescope focus mechanism. The coarse adjustment allows the telescope focus to be moved quickly then the fine adjustment allows the observer to gently bring the focus to be "pin sharp".
What are the three types of hemolysis bacteria can exhibit?
The three types of hemolysis bacteria can exhibit are alpha-hemolysis, beta-hemolysis, and gamma-hemolysis. Alpha-hemolysis causes partial destruction of red blood cells, resulting in a greenish discoloration around the bacterial colonies. Beta-hemolysis causes complete lysis of red blood cells, leading to a clear zone around the bacterial colonies. Gamma-hemolysis is when there is no hemolysis of red blood cells.
What is the concentration of nacl for hemolysis to occur?
Hemolysis typically occurs in red blood cells when they are exposed to a NaCl concentration below approximately 0.45% (or 0.15 M). At this concentration, the osmotic pressure causes water to enter the cells, leading to swelling and eventual rupture. Conversely, NaCl concentrations above this level are generally isotonic or hypertonic, preventing hemolysis.
What causes the destruction of red blood cells?
hemophagia
Alpha hemolytic reaction in blood agar culture?
Alpha hemolytic reaction in blood agar culture is characterized by partial hemolysis of red blood cells, forming a greenish discoloration around bacterial colonies. This is commonly seen with organisms like Streptococcus pneumoniae, which release hydrogen peroxide that causes the partial breakdown of red blood cells. Alpha hemolysis is distinguished from beta hemolysis (complete lysis of red blood cells) and gamma hemolysis (no hemolysis).
What kind of feedback mechanism is it when it causes the initial stimulus to decline?
negative feedback
What causes bursitis patients to feel pain?
Inflammation causes pain on movement.
How does the sliding mechanism work on slide cell phones?
The sliding mechanism joins the phone to the keyboard. The mechanism causes the keyboard to slide out from underneath the phone.
What causes gas leaking from a carburetor?
Usually a stuck float mechanism.
Does ibuprofen ruin your liver at the same rate as Tylenol?
Acetaminophen is the activate chemical in Tylenol that causes damage to your liver which is not in ibuprofen
A red blood cell will undergo hemolysis in?
A red blood cell will undergo hemolysis in a hypotonic environment where the surrounding solution has a lower solute concentration than inside the cell. This causes water to move into the cell by osmosis, leading to swelling and eventual bursting of the cell membrane.
When a harpsichordist depresses a key a simple mechanism causes a to a string?
Quill; Pluck
Why patients get tremors with salbutamol and what is the mechanism?
There are two mechanisms by which a person gets tremors with salbutamol: 1) it acts on bets 2 receptor that causes increased glycogenolysin in the skeletal muscles that leads to tremors 2) it pushes potasium into the cells leading to hypokalemia that presents with tremors.
