Užduočių lapas tema Laboratorinės reikšmės ir elektrolitai su atsakymais

How does active vitamin D (calcitriol) affect calcium?

1. AIt moves calcium out of the blood into cells
2. BIt blocks calcium absorption from the gut
3. CIt increases calcium absorption from the gut
4. DIt increases calcium loss in the urine

A raised alkaline phosphatase (ALP) is most typical of:

1. AInflammation of the lining of the urinary bladder
2. BBlocked bile flow or increased bone turnover
3. CAcute damage to the heart muscle
4. DLow production of hormone by the thyroid gland

In the US (NCEP ATP III) classification, which total cholesterol level is called desirable for an adult?

1. ABelow 200 mg/dL (5,2 mmol/L)
2. BAbove 240 mg/dL (6,2 mmol/L)
3. CBetween 250 and 300 mg/dL (6,5–7,8 mmol/L)
4. DBelow 300 mg/dL (7,8 mmol/L)

When blood is drawn from a central venous catheter, why is a small volume of blood usually discarded first, according to policy?

1. ATo lower the patient's hemoglobin for a blood transfusion
2. BTo check that the catheter tip is still in the right vein
3. CTo avoid diluting the sample with flush or infusion fluid
4. DTo remove blood clots that form in all central lines

A breathless patient in the emergency department has a BNP below 100 pg/mL. What does this suggest?

1. AHeart failure is an unlikely cause of the breathlessness
2. BSevere heart failure is certainly the cause of the problem
3. CThe kidneys are failing and the patient needs dialysis
4. DThe patient has had a myocardial infarction in the past day

When is a peak level for an IV aminoglycoside such as gentamicin usually drawn?

1. AJust before the next dose is started
2. BAt any time convenient for the patient
3. CAbout 30 minutes after the infusion ends
4. DExactly 24 hours after the first dose

Po chemoterapijos dėl greitai augančios limfomos, kuris rezultatų modelis rodo naviko irimo sindromą?

1. ANormalūs elektrolitai su dideliu hemoglobinu
2. BMažas kalis, mažas fosfatų kiekis, maža šlapimo rūgštis ir padidėjęs kalcis
3. CTik didelis natris ir maža gliukozė
4. DDidelis kalis, didelis fosfatų kiekis, didelė šlapimo rūgštis ir mažas kalcis

A patient without symptoms has a finger-stick glucose of 340 mg/dL (18,9 mmol/L). The previous values were normal, and the patient has just peeled an orange. What should the nurse do first?

1. AAsk the laboratory to measure HbA1c from the same drop of blood
2. BReport the result as a new diagnosis of diabetes mellitus
3. CGive a correction dose of insulin for a glucose of 340 mg/dL
4. DHave the patient wash and dry their hands, then repeat the test