A nurse is performing a neurological assessment for a client who has head trauma. Which of the following assessments will give the nurse information about the function of cranial nerve III?

Ask the client to shrug his shoulders against passive resistance

Instruct the client to look up and down without moving his head

Observe the client's ability to smile and frown

Have the client stand with his eyes closed and touch his nose

Answer and Explanation

The Correct Answer is B

Choice A: Ask the client to shrug his shoulders against passive resistance is not an assessment that will give the nurse information about the function of cranial nerve III. This assessment will test the function of cranial nerve XI, which is the accessory nerve. The accessory nerve innervates the trapezius and sternocleidomastoid muscles, which are involved in shoulder and neck movements.

Choice B: Instruct the client to look up and down without moving his head is an assessment that will give the nurse information about the function of cranial nerve III. Cranial nerve III is the oculomotor nerve, which innervates four of the six extraocular muscles that control eye movements. The oculomotor nerve also controls pupil size and lens shape. By instructing the client to look up and down without moving his head, the nurse can assess the ability of the oculomotor nerve to move the eyes vertically and adjust to diﬀerent distances.

Choice C: Observe the client's ability to smile and frown is not an assessment that will give the nurse information about the function of cranial nerve III. This assessment will test the function of cranial nerve VII, which is the facial nerve. The facial nerve innervates the muscles of facial expression, which are involved in smiling, frowning, blinking, and other facial movements.

Choice D: Have the client stand with his eyes closed and touch his nose is not an assessment that will give the nurse information about the function of cranial nerve III. This assessment will test the function of cranial nerve VIII, which is the vestibulocochlear nerve. The vestibulocochlear nerve innervates the inner ear and is responsible for hearing and balance. By having the client stand with his eyes closed and touch his nose, the nurse can assess the ability of the vestibulocochlear nerve to maintain equilibrium and coordination.

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Correct Answer is C

Explanation

Choice A Reason: This is incorrect because cleaning the wound is not a priority when the client is bleeding profusely. Cleaning the wound can also dislodge any clots that have formed and increase bleeding.

Choice B Reason: This is incorrect because applying a tourniquet is a last resort when direct pressure fails to stop bleeding. A tourniquet can cause tissue damage, nerve injury, and infection if applied incorrectly or for too long.

Choice C Reason: This is correct because applying direct pressure over the wound is the first and most eﬀective action to stop bleeding from a wound. This is the first and most eﬀective action to stop bleeding from a wound. Direct pressure compresses the blood vessels and prevents further blood loss. The nurse should use a clean cloth or dressing to cover the wound and apply firm pressure with both hands.

Choice D Reason: This is incorrect because elevating the limb and applying ice are not eﬀective actions to stop bleeding from a wound. Elevating the limb can reduce blood ﬂow to the injured area, but it does not compress the blood vessels or prevent blood loss. Applying ice can cause vasoconstriction, but it can also damage the skin and tissues if applied for too long.

A. Nausea B. Severe dyspnea C. Headache D. Decreased level of consciousness E. Hypotension

Correct Answer is ["B","C","D","E"]

Explanation

Choice a) is incorrect because nausea is not a common manifestation of ARF. Nausea is a sensation of discomfort in the stomach that may or may not lead to vomiting. Nausea can be caused by many other conditions, such as gastroenteritis, motion sickness, or pregnancy.

Choice b) is correct because severe dyspnea is a common manifestation of ARF. Dyspnea is a subjective feeling of difficulty or discomfort in breathing. Severe dyspnea indicates that the client is not getting enough oxygen and may have low blood oxygen levels (hypoxemia) or high carbon dioxide levels (hypercapnia).

Choice c) is correct because headache is a common manifestation of ARF. Headache is a pain or discomfort in the head, scalp, or neck. Headache can be caused by high carbon dioxide levels (hypercapnia), which can affect the blood vessels and nerves in the brain.

Choice d) is correct because a decreased level of consciousness is a common manifestation of ARF. Level of consciousness is a measure of how alert and oriented a person is. A decreased level of consciousness can be caused by low blood oxygen levels (hypoxemia), high carbon dioxide levels (hypercapnia), or acid-base imbalance, which can aﬀect brain function and mental status.

Choice e) is correct because hypotension is a common manifestation of ARF. Hypotension is a condition in which the blood pressure is lower than normal. Hypotension can be caused by low blood oxygen levels (hypoxemia), which can impair heart function and reduce cardiac output.

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A nurse is performing a neurological assessment for a client who has head trauma. Which of the following assessments will give the nurse information about the function of cranial nerve III?

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