CMT Medical Procedures & Techniques 2

Question 1

When performing a 12-lead ECG, which electrode placement is used for lead V4?

Accepted Answer

5th intercostal space, left midclavicular line

Answer

4th intercostal space, right sternal border

Answer

5th intercostal space, left anterior axillary line

Answer

4th intercostal space, left sternal border

Question 2

Which needle gauge is most appropriate for a routine venipuncture in an adult with average veins?

Accepted Answer

21 gauge

Answer

18 gauge

Answer

25 gauge

Answer

14 gauge

Question 3

What is the correct sequence for applying a sterile dressing to a wound?

Accepted Answer

Cleanse wound, apply sterile pad, secure with tape

Answer

Apply tape, place sterile pad, cleanse wound

Answer

Secure with tape, cleanse wound, apply sterile pad

Answer

Place sterile pad, cleanse wound, apply tape

Question 4

During urinary catheterization, which principle must be strictly maintained throughout the procedure?

Accepted Answer

Surgical aseptic technique

Answer

Reverse isolation technique

Answer

Standard precautions only

Answer

Contact precautions

Question 5

A patient requires a nasogastric tube insertion. After insertion, what is the priority action before use?

Accepted Answer

Verify placement by checking gastric pH or X-ray

Answer

Flush with 30 mL of water

Answer

Secure tube to nose with tape

Answer

Begin feeding immediately

Question 6

Which site is preferred for an intramuscular injection when administering a large volume (3 mL) in an adult?

Accepted Answer

Ventrogluteal

Answer

Deltoid

Answer

Dorsogluteal

Answer

Vastus lateralis

Question 7

When collecting a midstream clean-catch urine specimen from a female patient, what is the correct order of steps?

Accepted Answer

Cleanse labia front to back, begin voiding, collect midstream

Answer

Void into cup, cleanse labia, continue voiding

Answer

Collect urine, then cleanse, then void remainder

Answer

Cleanse back to front, begin voiding, collect midstream