AMCA Diagnostic Procedures 4

Question 1

Which urine dipstick finding is most consistent with a urinary tract infection (UTI)?

Accepted Answer

Positive leukocyte esterase and nitrites

Answer

Positive glucose and ketones

Answer

Elevated specific gravity only

Answer

Positive urobilinogen

Question 2

The order of draw for venipuncture when collecting a yellow (SPS), light blue, and SST tube is:

Accepted Answer

Yellow → Light blue → SST

Answer

Light blue → Yellow → SST

Answer

SST → Yellow → Light blue

Answer

Yellow → SST → Light blue

Question 3

Which imaging study uses a radioactive tracer to evaluate metabolic activity and is commonly used in cancer staging?

Accepted Answer

PET scan

Answer

MRI

Answer

CT angiography

Answer

DEXA scan

Question 4

A QRS complex wider than 0.12 seconds on an ECG suggests:

Accepted Answer

Bundle branch block or ventricular origin

Answer

First-degree AV block

Answer

Sinus bradycardia

Answer

Atrial flutter

Question 5

Which blood test is used to screen for prostate cancer in men?

Accepted Answer

PSA

Answer

CEA

Answer

AFP

Answer

CA-125

Question 6

What does the T wave on an ECG represent?

Accepted Answer

Ventricular repolarization

Answer

Atrial depolarization

Answer

Ventricular depolarization

Answer

Atrial repolarization

Question 7

Which lab value is most critical to check before administering heparin therapy?

Accepted Answer

aPTT

Answer

PT/INR

Answer

Platelet count

Answer

Fibrinogen