Clinical Skills Flashcards

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

Answer: 5th intercostal space, midclavicular line

V4 is placed at the 5th intercostal space at the midclavicular line.

A patient's blood pressure reads 158/96 mmHg on two separate occasions. This is classified as:

Answer: Stage 2 hypertension

Stage 2 hypertension is defined as systolic ≥140 mmHg or diastolic ≥90 mmHg.

Which of the following is the correct needle angle for an intradermal injection?

Answer: 15 degrees

Intradermal injections are administered at a 15-degree angle just below the skin surface.

When collecting a midstream clean-catch urine specimen from a female patient, which instruction is correct?

Answer: Wipe front to back with provided cleansing wipes

Female patients should wipe front to back with cleansing wipes to prevent contamination from rectal bacteria.

A medical assistant is preparing to administer a subcutaneous injection to an average-sized adult. Which needle gauge and length is most appropriate?

Answer: 25 gauge, 5/8 inch

Subcutaneous injections typically use a 25–27 gauge, 5/8-inch needle to reach the fatty tissue layer.

Which pulse site is used to assess circulation in the foot?

Answer: Dorsalis pedis

The dorsalis pedis pulse is located on the top of the foot and assesses distal lower extremity circulation.

During an eye irrigation procedure, the medical assistant should direct the flow of solution:

Answer: From the inner canthus toward the outer canthus

Solution flows from the inner canthus (near the nose) toward the outer canthus to carry contaminants away from the nasolacrimal duct.