LVN Patient Care & Clinical Procedures 4

Question 1

A patient is prescribed heparin 5,000 units subcutaneously. The vial contains 10,000 units/mL. How many mL should the nurse administer?

Accepted Answer

0.5 mL

Answer

5,000 units ÷ 10,000 units/mL = 0.5 mL, the correct dose calculation.

Question 2

Which action by the LVN best demonstrates correct technique when performing nasotracheal suctioning?

Accepted Answer

Limit each suction pass to 10–15 seconds

Answer

Each suction pass must be limited to 10–15 seconds to prevent hypoxia and mucosal trauma.

Question 3

A nurse is assessing a stage 2 pressure injury. Which finding is consistent with this stage?

Accepted Answer

Partial-thickness loss of dermis presenting as a shallow open ulcer

Answer

Stage 2 pressure injuries involve partial-thickness skin loss affecting the epidermis and/or dermis, presenting as a shallow open ulcer or intact blister.

Question 4

Which action should the nurse take when administering a tube feeding to prevent aspiration?

Accepted Answer

Elevate the head of the bed to at least 30–45 degrees

Answer

Elevating the head of the bed 30–45 degrees uses gravity to reduce the risk of gastric reflux and aspiration.

Question 5

A patient who has been on bed rest for 5 days is being assisted to ambulate for the first time. She reports feeling lightheaded when she stands. What is the nurse's best response?

Accepted Answer

Have the patient sit back down, take vital signs, and notify the provider

Answer

Lightheadedness on standing may indicate orthostatic hypotension; the patient should sit down and vital signs should be taken before proceeding.

(LVN) Licensed Vocational Nurses Certification Practice Test

(LVN) Licensed Vocational Nurses Certification Practice Test

LVN Patient Care & Clinical Procedures 4