Užduočių lapas tema Laboratorinės reikšmės ir elektrolitai su atsakymais

Kuris radinys būdingas dideliam magnio kiekiui serume?

1. ASusilpnėję ar nesantys giliųjų sausgyslių refleksai
2. BPadidėję refleksai ir raumenų trūkčiojimas
3. CStiprus noras gerti vandens
4. DRiešo spazmas užtraukus manžetę

Kuri suaugusios moters hemoglobino reikšmė yra žemiau būdingo atskaitos intervalo?

1. A14,6 g/dL (146 g/L)
2. B12,8 g/dL (128 g/L)
3. C13,5 g/dL (135 g/L)
4. D9,2 g/dL (92 g/L)

What does the specificity of a diagnostic test describe?

1. AThe proportion of people with the disease who test positive
2. BThe total number of people who take the test each year
3. CThe proportion of people without the disease who test negative
4. DThe cost of the test compared with other tests

Which instruction is correct for a patient taking an oral potassium chloride supplement?

1. ATake it on an empty stomach with only a small sip of water to speed absorption
2. BUse a salt substitute as well, so less of the tablet is needed each day
3. CCrush the extended-release tablets and mix them with a little water if needed
4. DTake it with food and a full glass of water, and do not crush extended-release tablets

A patient had a total gastrectomy. Which long-term therapy is needed to prevent anemia?

1. AWeekly doses of oral vitamin K tablets
2. BLifelong oral folic acid tablets only
3. CMonthly transfusions of red blood cells
4. DLifelong vitamin B₁₂ replacement

Which IV fluid can be given through the same line as a red cell transfusion?

1. ALactated Ringer's (Hartmann's) solution
2. B5% dextrose in water
3. C0,9% sodium chloride
4. D0,45% sodium chloride

A patient has a hemoglobin of 11,2 g/dL (112 g/L), an MCV of 64 fL, a normal ferritin and a normal-to-high red cell count. What is the most likely cause?

1. AIron deficiency
2. BThalassemia trait
3. CAcute blood loss
4. DVitamin B₁₂ deficiency

A healthy woman at 10 weeks of pregnancy has a slightly low TSH with a normal free T₄ and no symptoms. What is the most likely explanation?

1. AShe has developed Graves disease in pregnancy
2. BThe result shows severe primary hypothyroidism
3. ChCG stimulates the thyroid in early pregnancy
4. DShe has pituitary failure from the pregnancy