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storchak [24]
2 years ago
6

My teacher thinks that everyone has crackers

Biology
2 answers:
Lyrx [107]2 years ago
7 0

Answer:

its true my Thatcher salid the dame thing

lesya [120]2 years ago
3 0

Answer:

crackers? like ritz?

Explanation:

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Ms. S, a 78-year-old black female, is brought to the emergency room by her son who reports that she has been vomiting violently
lawyer [7]

Answer:

1. Severe dehydration

2. Investigations required will include serum urea, electrolytes and creatinine (U/E/Cr), full blood count and differentials, urinalysis, urine microscopy, culture and sensitivity, renal ultrasound, random blood glucose.

3. Deranged U/E/Cr that is urea, creatinine and sodium are elevated which indicate kidney injury. There is proteinuria, haematuria, positive nitrate and leucouria points towards UTI. The WBC is high which indicate infection.

5. She is likely to have prerenal AKI

6. The concern is that she is not regular on her antihypertensive medication, and hypertension can cause renal impairment ( hypertensive nephropathy). There is need for dialysis if there is markedly elevated E/U/Cr or renal impairment was very severe.

Explanation:

Acute kidney injury is when there is sudden and often reversible loss of renal function which develops over days or weeks and is usually accompanied by a reduction in urine output.

There are many causes of AKI, which are classified as prerenal, renal and post renal. In prerenal AKI, the kidneys gets damaged as a result of hypoperfusion leading to acute tubular necrsosis. Common examples are severe dehydration( like in this patient from vomiting), cardiac failure, sepsis, blood loss etc. Renal AKI is usually cause by direct insult to the kidneys which can result from drugs, toxins, inflammatory conditions etc. Post renal AKI occurs when there is obstruction to urine flow at any point from the tubule to the urethra e.g in BPH, stones, strictures etc.

In Prerenal AKI, it leads to acute tubular necrosis. Histologically, the kidney show inflammatory changes, focal breaks in the tubular basement membrane and interstitial oedema.

Chronic kidney disease(CKD) refers to an irreversible deterioration in renal function which develops over a period of years.initially, it is manifestation only as biochemical abnormality but eventually, loss of the excretory, metabolic and endocrine functions of the kidneys leads to clinical symptoms and signs of renal failure.

7 0
3 years ago
Koalas are marsupials that are found in eastern Australia. Although their ancestors lived mostly on the ground,
Andrew [12]

Answer:

Fur color that closely matches the eucalyptus bark color

Explanation:

In terms of evolving from land dwellers to tree dwellers, the number of offspring does not matter. Although the ability to run faster is a good evolution for escaping predators, it does not help the koalas evolve to be better tree dwellers (how would you run using only the trees?). Communicating with their peers would be convenient for survival, but it does not help koalas become better tree dwellers. What does help koalas survive better by traveling through the trees is camouflaging with the bark of the tree to hide from predators.

3 0
3 years ago
Which best describes how DNA is used as a molecular clock? (2 points)
PilotLPTM [1.2K]
I think the correct answer from the choices listed above is the third option. The DNA is used as a molecular clock in the sense that the <span>percent of carbon in DNA is compared between parent and offspring. Hope this answers the question. Have a nice day.</span>
3 0
3 years ago
Read 2 more answers
Explain the relationship between the observed gram reaction and bacterial cell wall structure
Mashcka [7]
Gram-positive microorganisms have a thicker layer of peptidoglycan which traps a greater amount of the gem violet included and upon de-colorizer discharges approximately caught stains. 



Gram-positive cell dividers contain a thick peptidoglycan layer with teichoic acids. Gram-negative cell dividers contain a thin peptidoglycan layer that is encompassed by a thick plasma film. Gram-positive microorganisms will recolor purple in view of their thick peptidoglycan cell divider.
8 0
3 years ago
The selective advantage of radial symmetry for sessile and free floating animals
Sever21 [200]

Answer:

organisms, radial symmetry is useful because the animal can just "sit down" and grab food or detect threats from all directions.

Explanation:

7 0
2 years ago
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