Chapter 10 Flashcards

1
Q

Which of the following tests requires an arterialized specimen?

A. Bilirubin
B. Blood gases
C. Electrolytes
D. Glucose

A

B. Blood gasses

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2
Q

Capillary puncture supplies include all of the following except a

A. Guaze pad
B. Lancet
C. Microcollection device
D. Provodone-iodine pad

A

D. Provodone-iodine pad

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3
Q

Capillary puncture blood contains

A. Arterial blood
B. Interstitial fluids
C. Venous blood
D. All of the above

A

D. All of the above

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4
Q

The concentration of which substance is higher in capillary blood than in venous blood?

A. Blood urea nitrogen
B. Carotene
C. Glucose
D. Total protein

A

C. Glucose

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5
Q

Capillary puncture is typically performed on adults when

A no accessible vein can be located
B. Patients have thrombotic tendencies
C. Veins are saved tor chemotherapy
D. All of the above

A

D. All of the above

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6
Q

If collected by capillary puncture, which of the following is collected first?

A. CBC
B. Electrolytes
C. Glucose
D. Phosphorus

A

A. CBC

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7
Q

Which of the following conditions disqualifies a site for a capillary puncture?

A. Cyanotic
B. Edematous
C. Swollen
D. All of the above

A

D. All of the above

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8
Q

Which of the following is the least hazardous area of an infants foot for capillary puncture?

A. Central area of the heel
B. Lateral plantar heel surface
C. Medial area of the arch
D. Posterior curvature of the heel

A

B. Lateral plantar heel surface

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9
Q

According to CLSI, a heel puncture lancet should puncture no deeper than ..

A. 1.5 mm
B. 2.0 mm
C. 2.5 mm
D. 3.0 mm

A

B. 2.0 mm

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10
Q

Which of the following is a proper capillary puncture procedure?

A. Clean the site thoroughly with providone-iodine
B. Milk the site to keep the blood flowing freely
C. Puncture parallel to fingerprint grooves
D. Wipe away the first drop of blood.

A

D. Wipe away the first drop of blood

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11
Q

When making a routine blood smear, the “pusher slide” is normally used at an angle of how many degrees?

A. 15
B. 30
C. 45
D. 60

A

B. 30

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12
Q

The blood specimen for which test is placed in circles on a special filter paper?

A. Bilirubin
B.CBG’s
C. PKU
D. Malaria

A

C. PKU

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13
Q

Which of the following fingers is the best choice for a capillary puncture?

A. Index
B. Middle.
C. Pinky
D. Thumb.

A

B. Middle

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14
Q

Which test cannot be collected by capillary puncture and take into laboratory for processing and testing?

A. Bili
B. Hgb
C. Lead
D. PTT

A

D. PTT

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15
Q

Capillary action is a term used to describe how..

A. Arterial blood enters the capillaries
B. Blood fills a microhematocrit tube
C. Cells spread across a blood smear
D. Warming can increase blood flow

A

B. Blood fills a microhematocrit tube

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16
Q

Fluid in the spaces between the cells is called

A. Interstitial fluid
B. Intracellular fluid
C. Lymphatic fluid
D. Peritoneal fluid

A

A interstitial fluid

17
Q

Correct newborn screening test collection or handling includes..

A. Applying blood drops to both sides of the filter paper
B. Hanging a specimen slip ti dry in a vertical position
C. Layering successive blood drops in a collection circle
D. Using 1 large drop to entirely fill a collection circle

A

D. Using 1 large drop to entirely fill a collection circle.

18
Q

Strong repetitive pressure, such as squeezing or milking a site during capillary specimen collection…

A. Can hemolyze and contaminate specimens
B. Improves the accuracy of CBC test results
C. Increases venous blood flow into the area
D. Is necessary to obtain adequate blood flow

A

A. Can hemolyze and contaminate specimens

19
Q

Neonatal screening is the testing of…

A. Babies for contagious diseases
B. Infants with certains symptoms
C. Newborns for certain disorders
D. Pregnant women for diseases

A

C. Newborns for certain disorders

20
Q

In an infants heel, the primary blood supply is located…

A. Between 0.35 and 1.6 mm deep
B. From 1.00 mm and 2 00 mm deep
C. In the top later if the epidermis
D. Starting at around 2.4 mm deep

A

A. Between 0.35 and 1.6 mm deep