Lembaran kerja Nilai makmal & elektrolit dengan jawapan

Which sample is commonly used to screen a patient for MRSA carriage on admission?

1. AA swab from the front of the nose
2. BA sample of stool sent for culture
3. CA clean-catch midstream urine sample
4. DA blood culture from one arm

Which gland produces thyroid-stimulating hormone (TSH)?

1. AThe anterior pituitary gland
2. BThe adrenal cortex
3. CThe parathyroid glands
4. DThe thyroid gland itself

Bagi orang yang tidak mengambil antikoagulan, INR lazimnya kira-kira:

1. A3.5–4.5
2. B2.0–3.0
3. C5.0–6.0
4. D0.8–1.2

A patient had a right mastectomy with removal of axillary lymph nodes. Where is the best place to draw blood?

1. AThe left arm
2. BThe right arm
3. CEither arm equally
4. DThe right hand

When do the blood counts usually reach their lowest point (nadir) after many standard chemotherapy regimens?

1. AWithin 1–2 hours of treatment
2. BAbout 7–14 days after treatment
3. CAbout 6 months after treatment
4. DOn the same day as treatment

Which blood collection practice helps prevent hemolysis of the sample?

1. AUsing the smallest needle available for every patient
2. BLeaving the tourniquet on for at least 3 minutes
3. CGently inverting the tubes instead of shaking them
4. DForcing blood quickly through a needle into the tube

Which set of results most strongly suggests hemolytic anemia?

1. ALow hemoglobin, high MCV, low vitamin B₁₂, normal bilirubin
2. BLow hemoglobin, high reticulocytes, high unconjugated bilirubin, high LDH
3. CLow hemoglobin, low reticulocytes, low MCV, low ferritin
4. DLow hemoglobin, low platelets, low white cells, low reticulocytes

The nurse teaches a patient with chronic kidney disease about a potassium-restricted diet. Which statement shows a need for further teaching?

1. A"Dried apricots and raisins will be a good snack for me now"
2. B"I'll check food labels and ask my dietitian about portion sizes"
3. C"I can leach potatoes by soaking them before cooking them"
4. D"I'll limit bananas, oranges and potatoes in my meals"