FREE PHLEBOTOMY AND STUDY GAMES ABOUT PHLEB CH

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FREE PHLEBOTOMY AND STUDY GAMES ABOUT PHLEB CH

10 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -62 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: What depth will provide adequate blood flow in a newborn with risking bone injury?

Answer:

2.0mm or less Question 2: Why: Do not puncture any deeper than 2.0mm?

Answer:

Deeper punctures risk injuring the bone, even in the safest puncture areas

Question 3: What is the purpose of a magnet with the CBG tube?

Answer:

Mix the specimen Question 4: Why: Do not puncture the thumb?

Answer:

It has a pulse, indicating an artery in the puncture area, and the skin is generally thicker and more calloused, making it difficult to obtain a good specimen.

Question 5: Why do we not use a scooping motion against the surface of the skin to collect blood?

Answer:

Activates platelets, causing them to clump and can also hemolyze the specimen

Question 6: Cystic Fibrosis

Answer:

Genetic disorder affecting lungs and pancreas. Interferes with transport of chloride across cell membranes. Causes the body to produce thick, stick mucus secretions that build up in the lungs and other organs.Question 7: Why: Do not puncture the side or very tip of the finger?

Answer:

The distance between the skin surface and the bone is half as much at the side and tip as it is in the central fleshy portion of the end of the finger.

Question 8: What are microhematocrit tubes used for?

Answer:

Manual hematocrit (Hct), also called packed cell volume (PCV)

Question 9: What is a stirrer called in a CBG tube?

Answer:

Fleas

Question 10: Phenylketonuria

Answer:

A genetic disorder characterized by a defect in the enzyme that breaks down the amino acid phenylalanine.

Question 11: The thinnest area of a properly made smear is called what?

Answer:

Feather

Question 12: Why: Do not puncture the posterior curvature of the heel?

Answer:

The bone can be as little as 1mm deep in this area Question 13: Is the concentration of glucose higher or lower in capillary blood?

Answer:

Higher

Question 14: Osteochondritis

Answer:

Inflammation of the bone and cartilage Question 15: Disposable, narrow-bore plastic or plastic-clad glass capillary tubes that fill by capillary action are called what?

Answer:

Microhematocrit tubes

Question 16: Why do we wipe away the first drop of blood?

Answer:

It is typically contaminated with excess tissue fluid and may contain alcohol residue that can hemolyze the specimen. There have been reports of isopropyl alcohol contamination causing errors in blood glucose testing.Question 17: What may cause potassium values to be falsely elevated in skin puncture specimens?

Answer:

Fluid contamination or hemolysis of the specimen Question 18: Overproduction of bilirubin occurs from accelerated red blood cell hemolysis associated with what disease?

Answer:

Hemolytic disease of the newborn (HDN)

Question 19: Why: Do not puncture the fifth or little (pinky) finger?

Answer:

The tissue between skin surface and bone is thinnest in this finger, and bone injury is likely.

Question 20: Why can we not use povidone-iodine to clean skin puncture sites?

Answer:

It greatly interferes with a number of tests, most notably bilirubin, uric acid, phosphorus and potassium Question 21: Capillary blood more closely resembles what type of blood arterial or venous?

Answer:

Arterial because it enters the capillaries under pressure Question 22: The March of Dines recommends tat all newborns be screened for how many specific disorders?

Answer:

29 Question 23: Why: Do not puncture severely bruised areas?

Answer:

It is painful, and impaired circulation or byproducts of healing process can negatively affect the specimen

Question 24: Hypothyroidism

Answer:

Insufficient levels of thyroid hormones.Question 25: Why: Do not puncture through previous puncture sites?

Answer:

This can be painful and can spread previously undetected infection Question 26: Capillary puncture is the preferred method of obtaining blood from infants and

very young children for the follow reasons:

Answer:

Small blood volume. Removing quantities of blood can lead to anemia, cardiac arrest. Life threatening >10% is removed at once or over short period of time.