Question

Chapter 10 Capillary Puncture Equipment, Principles and Procedure KNOWLEDGE DRILL 10-3: TRUE/FALSE ACTIVITY The following statements are all false. Circle the one or two words that make the statement false and write correct word(s) that would make the statement true in the space provided. 1. Mierohematocrit tubes are often referred to as "bullets" because of their size and shape. 2. Warming a capillary puncture site can increase the blood flow up to-10 times. 3. Capillary puncture is sometimes recommended when available veins are fragile or must be saved for c procedures such as a glucose tolerance test. 4. Except for POCT methods, blood specimens for glucose tests cannot be collected by capillary puncture 5. Microtubes for chemistry specimens are collected first in the order of draw for capillary puncture. 6. The CLSI-recommended site for capillary puncture on adults and children older than 1 year is the palm surface of the distal or end segment of the middle or ring finger of the dominant hand. . The safest area for heel puncture is the medial or lateral palmar surface of the heel. 0. Neonatal bilirubin specimens must be kept cool during transportation and handling. 9. Phenylketonuria is a temporarily acquired disorder. o. Blood spot circles for newborn screening tests are filled by applying a large drop of free-flowing blood side of the filter paper. 11. The recommended antiseptic for capillary specimen collection is povidone-iodine. 12. "Calcaneus" is the medical term for finger bone. 13. The capillary bed in the skin of a full-term newborn is richest in capillary loops below 1 mm deep. 14. Do not squeeze the site while collecting a capillary specimen as hemoconcentration can result. 15. Underfilling a microtube can result in microclots in the specimen. Cantariers

Answer 1

1. False .

Microhematocrit tubes are disposable narrow-bore plastic or plastic clad glass capillary tubes that fill by capillary action and typically hold up 50 to 70 microliters of blood

2. False .

Warming a capillary puncture site can increase the blood flow up to seven times.

3. True.

5. False .

Order of draw :-

Blood gas specimens

EDTA specimens

Other additive specimens

Serum specimens