Question 1

When performing venipuncture,the needle should puncture the skin at about a ___-degree angle.

Accepted Answer

A)  5 
B)  25 
C)  40 
D)  90 
A)  5 
B)  25 
C)  40 
D)  90 C

Question 2

A tourniquet should not be applied for more than:

Accepted Answer

A)  2 to 5 seconds 
B)  30 seconds 
C)  1 minute 
D)  5 minutes 
A)  2 to 5 seconds 
B)  30 seconds 
C)  1 minute 
D)  5 minutes C

Question 3

Poisonous refuse or waste that is dangerous to living creatures is termed which of the following?

Accepted Answer

A)  Biohazardous waste 
B)  Sharps waste 
C)  Isolation waste 
D)  Contaminated waste 
A)  Biohazardous waste 
B)  Sharps waste 
C)  Isolation waste 
D)  Contaminated waste A

Question 4

The vein most commonly used to draw blood specimens is the _____ vein.

Accepted Answer

A)  median cubital 
B)  cephalic 
C)  basilic 
D)  saphenous 
A)  median cubital 
B)  cephalic 
C)  basilic 
D)  saphenous

Question 5

If urinalysis is delayed more than 1 hour after the specimen is collected,the specimen should be:

Accepted Answer

A)  discarded. 
B)  sent to a special laboratory for analysis. 
C)  capped and refrigerated. 
D)  analyzed as soon as possible and the time recorded in the report. 
A)  discarded. 
B)  sent to a special laboratory for analysis. 
C)  capped and refrigerated. 
D)  analyzed as soon as possible and the time recorded in the report.

Question 6

Urinalysis reagent strips are used to perform which of the following?

Accepted Answer

A)  Macroscopic analysis 
B)  Microscopic analysis 
C)  Chemical analysis 
D)  Color analysis 
A)  Macroscopic analysis 
B)  Microscopic analysis 
C)  Chemical analysis 
D)  Color analysis

Question 7

What is the first step to performing venipuncture?

Accepted Answer

A)  Applying the tourniquet 
B)  Identifying the patient 
C)  Having the patient remove foreign objects from the mouth 
D)  Finding an appropriate vein 
A)  Applying the tourniquet 
B)  Identifying the patient 
C)  Having the patient remove foreign objects from the mouth 
D)  Finding an appropriate vein

Question 8

What is the purpose of a tourniquet?

Accepted Answer

A)  To hold the patient's arm still 
B)  To secure the vein in place 
C)  To cause the vein to distend 
D)  To cause the vein to rupture 
A)  To hold the patient's arm still 
B)  To secure the vein in place 
C)  To cause the vein to distend 
D)  To cause the vein to rupture

Question 9

What specimen provides the greatest amount of diagnostic information on a urinalysis?

Accepted Answer

A)  Sterile 
B)  First-morning 
C)  Random 
D)  Last-evening 
A)  Sterile 
B)  First-morning 
C)  Random 
D)  Last-evening

Question 10

If the collection tube fails to fill with blood during the venipuncture procedure,the most likely cause is which of the following?

Accepted Answer

A)  Damage to the tube 
B)  Damage to the needle 
C)  Failure to secure the tourniquet correctly 
D)  Failure to place the tip of the needle correctly within the vein 
A)  Damage to the tube 
B)  Damage to the needle 
C)  Failure to secure the tourniquet correctly 
D)  Failure to place the tip of the needle correctly within the vein

Question 11

Rapid spinning of the urine in a centrifuge is a process used to:

Accepted Answer

A)  facilitate chemical analysis. 
B)  separate sediment from liquid for microscopic analysis. 
C)  clarify the urine for accurate color analysis. 
D)  determine the blood glucose level. 
A)  facilitate chemical analysis. 
B)  separate sediment from liquid for microscopic analysis. 
C)  clarify the urine for accurate color analysis. 
D)  determine the blood glucose level.

Question 12

Where should the tourniquet be applied when performing venipuncture at the antecubital fossa?

Accepted Answer

A)  A hand's width above the elbow 
B)  A hand's width below the elbow 
C)  At the elbow 
D)  Near the shoulder 
A)  A hand's width above the elbow 
B)  A hand's width below the elbow 
C)  At the elbow 
D)  Near the shoulder

Question 13

Which of the following are blood-borne pathogens with which health care workers are at risk of infection?
1) Hepatitis B
2) HIV
3) Tuberculosis

Accepted Answer

A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3 
A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3

Question 14

What is the time frame in which analysis of a urine sample should be performed

Accepted Answer

A)  As soon as possible 
B)  Any time after 1 hour, but no later than 5 hours after the collection time 
C)  Within 24 hours of the collection time 
D)  There is no recommended time frame in which urinalysis should be performed. 
A)  As soon as possible 
B)  Any time after 1 hour, but no later than 5 hours after the collection time 
C)  Within 24 hours of the collection time 
D)  There is no recommended time frame in which urinalysis should be performed.

Question 15

What is another name for urinalysis reagent strips?

Accepted Answer

A)  Color strips 
B)  Dip strips 
C)  Reagent dips 
D)  Dipsticks 
A)  Color strips 
B)  Dip strips 
C)  Reagent dips 
D)  Dipsticks

Question 16

Which of the following positive urinalysis tests should be brought to the physician's attention before discarding the sample?
1) Protein
2) Blood
3) Nitrite

Accepted Answer

A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3 
A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3

Question 17

What type of skin cleansing is required when performing venipuncture for blood culture or blood-alcohol testing?

Accepted Answer

A)  Seventy percent isopropyl alcohol preps 
B)  Povidone-iodine (Betadine) preps 
C)  Dry gauze or cotton balls 
D)  Skin cleansing is not recommended in this case. 
A)  Seventy percent isopropyl alcohol preps 
B)  Povidone-iodine (Betadine) preps 
C)  Dry gauze or cotton balls 
D)  Skin cleansing is not recommended in this case.

Question 18

Which of the following are signs that a patient may be feeling faint during a venipuncture?
1) Pale complexion
2) Unable to respond verbally to questions
3) Ruddy complexion

Accepted Answer

A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3 
A)  1 and 2 only 
B)  1 and 3 only 
C)  2 and 3 only 
D)  1, 2, and 3

Question 19

Standard precautions are used when drawing blood specimens to avoid the risk of:

Accepted Answer

A)  contaminating the sample. 
B)  spilling the blood. 
C)  injuring the patient. 
D)  transmitting a blood-borne infection to the health care worker. 
A)  contaminating the sample. 
B)  spilling the blood. 
C)  injuring the patient. 
D)  transmitting a blood-borne infection to the health care worker.

Question 20

What practices are in place to protect health care workers from infection with blood-borne pathogens carried by their patients?

Accepted Answer

A)  Isolation 
B)  Standard Precautions 
C)  Centers for Disease Control 
D)  Homeland Security Council 
A)  Isolation 
B)  Standard Precautions 
C)  Centers for Disease Control 
D)  Homeland Security Council

Exam 24: Medical Laboratory Skills

When performing venipuncture,the needle should puncture the skin at about a ___-degree angle.

A tourniquet should not be applied for more than:

Poisonous refuse or waste that is dangerous to living creatures is termed which of the following?

The vein most commonly used to draw blood specimens is the _____ vein.

If urinalysis is delayed more than 1 hour after the specimen is collected,the specimen should be:

Urinalysis reagent strips are used to perform which of the following?

What is the first step to performing venipuncture?

What is the purpose of a tourniquet?

What specimen provides the greatest amount of diagnostic information on a urinalysis?

If the collection tube fails to fill with blood during the venipuncture procedure,the most likely cause is which of the following?

Rapid spinning of the urine in a centrifuge is a process used to:

Where should the tourniquet be applied when performing venipuncture at the antecubital fossa?

Which of the following are blood-borne pathogens with which health care workers are at risk of infection? 1) Hepatitis B 2) HIV 3) Tuberculosis

What is the time frame in which analysis of a urine sample should be performed

What is another name for urinalysis reagent strips?

Which of the following positive urinalysis tests should be brought to the physician's attention before discarding the sample? 1) Protein 2) Blood 3) Nitrite

What type of skin cleansing is required when performing venipuncture for blood culture or blood-alcohol testing?

Which of the following are signs that a patient may be feeling faint during a venipuncture? 1) Pale complexion 2) Unable to respond verbally to questions 3) Ruddy complexion

Standard precautions are used when drawing blood specimens to avoid the risk of:

What practices are in place to protect health care workers from infection with blood-borne pathogens carried by their patients?

Role of the Limited X-Ray Machine Operator

Introduction to Radiographic Equipment

Basic Mathematics for Limited Operators

Basic Physics of Radiography

X-Ray Production

X-Ray Circuit and Tube Heat Management

Principles of Exposure and Image Quality

Digital Image Receptor Systems

Scatter Radiation and Its Control

Formulating X-Ray Techniques

Radiobiology and Radiation Safety

Introduction to Anatomy, positioning, and Pathology

Upper Extremity and Shoulder Girdle

Lower Extremity and Pelvis

Spine

Bony Thorax, Chest, and Abdomen

Skull, Facial Bones, and Paranasal Sinuses

Radiography of Pediatric and Geriatric Patients

Image Evaluation

Ethics, Legal Considerations, and Professionalism

Safety and Infection Control

Assessing Patients and Managing Acute Situations

Medications and Their Administration

Additional Procedures for Assessment and Diagnosis

Bone Densitometry

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