NCCT Capillary and Special Collections 2

Question 1

Which finger is generally preferred for capillary puncture in adults?

Accepted Answer

Middle or ring finger

Answer

Thumb

Answer

Index finger

Answer

Pinky finger

Question 2

What is the maximum recommended depth for a lancet puncture on an infant's heel?

Accepted Answer

2.0 mm

Answer

1.0 mm

Answer

3.0 mm

Answer

4.0 mm

Question 3

Which of the following specimens is collected using a cold agglutinin test procedure?

Accepted Answer

Specimen kept at 37 degrees C during transport

Answer

Blood culture specimen

Answer

Glucose tolerance specimen

Answer

Arterial blood gas specimen

Question 4

When performing a capillary blood gas collection, which of the following is required?

Accepted Answer

Warming the site prior to collection

Answer

Using a tourniquet on the finger

Answer

Collecting into a plain red-top tube

Answer

Applying a cold pack to the site

Question 5

What is the correct procedure when the first drop of blood appears after a capillary puncture?

Accepted Answer

Wipe it away with sterile gauze

Answer

Collect it immediately into the tube

Answer

Blow on it to speed collection

Answer

Apply pressure to increase flow

Question 6

During a glucose tolerance test (GTT), what must the patient do between blood draws?

Accepted Answer

Remain fasting and avoid strenuous activity

Answer

Eat a light snack every hour

Answer

Drink water with each blood draw

Answer

Walk briskly for 10 minutes per hour