Užduočių lapas tema Laboratorinės reikšmės ir elektrolitai su atsakymais

On urinalysis, dark amber urine with a high specific gravity most often suggests:

1. AUrine with a large amount of glucose
2. BVery dilute urine from high fluid intake
3. CNormal urine after drinking extra water
4. DConcentrated urine from low fluid intake

A patient on warfarin asks what an INR of 2,0 means. Which explanation is best?

1. AYour blood clots about twice as fast as is normal
2. BYou have twice the normal number of platelets
3. CYour blood takes about twice as long as normal to clot
4. DYour warfarin dose is twice what it should be

A raised lymphocyte count is most typical of:

1. AViral infections
2. BIron deficiency
3. CAllergic asthma
4. DBacterial abscesses

A healthy woman at 28 weeks of pregnancy has a mildly lower hemoglobin than before pregnancy, with a normal MCV and ferritin. What is the most likely explanation?

1. APlasma volume rises more than red cell mass, diluting the blood
2. BPregnancy hormones stop the bone marrow from making red cells
3. CThe fetus is destroying the mother's red cells in the circulation
4. DIron is being lost through the kidneys during the pregnancy

A patient taking a statin reports new, unexplained muscle pain and weakness. Which laboratory test would the nurse expect to be ordered?

1. ASerum ammonia
2. BCardiac troponin
3. CCreatine kinase (CK)
4. DSerum lipase

A patient has macrocytic anemia with numbness and tingling of the feet and poor balance. Which deficiency is most likely?

1. AVitamin B₁₂
2. BFolate (folic acid)
3. CIron (low ferritin)
4. DVitamin C (ascorbic acid)

Po operacijos pacientui, kuriam leidžiama daug hipotoninio skysčio į veną, atsiranda galvos skausmas, pykinimas ir sumišimas. Kuris rezultatas geriausiai tai paaiškina?

1. A110 mg/dL (6,1 mmol/L) gliukozė
2. B4,2 mEq/L kalis
3. C9,4 mg/dL (2,35 mmol/L) kalcis
4. D126 mEq/L natris

Pacientui su nauja giliųjų venų tromboze leidžiama heparino infuzija ir ką tik pradėtas varfarinas. Kodėl heparinas tęsiamas kelias dienas?

1. AHeparinas didina varfarino pasisavinimą iš žarnyno
2. BVarfarinas veikia tik tada, kai kartu duodamas heparinas
3. CHeparinas apsaugo nuo varfarino šalutinių poveikių
4. DVarfarinui visam antikoaguliaciniam poveikiui pasiekti reikia kelių dienų