Weakness of which muscle would correlate with compression of the C5 nerve root?

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Vital Signs Physical Assessment Techniques Questions

Question 1 of 5

Weakness of which muscle would correlate with compression of the C5 nerve root?

Correct Answer: A

Rationale: The biceps brachii muscle is innervated by the musculocutaneous nerve, which originates from the C5-C7 nerve roots. Compression of the C5 nerve root would affect the function of the musculocutaneous nerve, leading to weakness in the biceps brachii muscle. The other choices, Extensor carpi radialis (ECR), Triceps brachii, and Flexor digitorum profundus (FDP), are not primarily innervated by the C5 nerve root. Therefore, weakness in these muscles would not directly correlate with compression of the C5 nerve root.

Question 2 of 5

The nurse is conducting a class on priority setting for new graduate nurses. Which is an example of a first-level priority problem?

Correct Answer: D

Rationale: The correct answer is D because a patient with shortness of breath and respiratory distress is experiencing a life-threatening emergency that requires immediate intervention to ensure airway patency and oxygenation. This falls under the first-level priority, which addresses issues that are crucial for the patient's survival. Postoperative pain (A) is important but not life-threatening. Diabetic teaching (B) can be addressed later as it is not an immediate threat. A small laceration (C) can be managed with basic wound care and is not as urgent as respiratory distress.

Question 3 of 5

The nurse recognizes that the concept of prevention in describing health is essential because:

Correct Answer: C

Rationale: Rationale for Choice C (Correct Answer): The nurse recognizes that prevention places emphasis on the link between health and personal behavior because an individual's actions and choices greatly influence their health outcomes. By focusing on prevention, individuals can proactively engage in healthy behaviors to reduce their risk of developing diseases or health complications. This approach empowers individuals to take control of their health and well-being, promoting long-term health benefits and reducing the burden on healthcare systems. Summary of Other Choices: A: Incorrect - Disease prevention involves more than just treating the external environment; it also includes individual behaviors and lifestyle choices. B: Incorrect - While some deaths may be unavoidable, prevention strategies can significantly reduce the incidence of many diseases and health conditions. D: Incorrect - Prevention is not solely reliant on treatment provided by primary health care practitioners; it involves a combination of individual behaviors, public health initiatives, and healthcare interventions.

Question 4 of 5

Which of the following is a contraindication for the use of contrast baths?

Correct Answer: D

Rationale: The correct answer is D: Buerger's disease. Contrast baths involve alternating hot and cold water immersion, which can worsen symptoms in Buerger's disease due to impaired blood flow and potential for exacerbating vasospasm. Rheumatoid arthritis (A), complex regional pain syndrome (B), and muscular strain (C) are not absolute contraindications for contrast baths as they can benefit from the modality when used appropriately.

Question 5 of 5

A patient is examined with the ophthalmoscope and found to have red reflexes bilaterally. Which of the following have you essentially excluded from your differential?

Correct Answer: D

Rationale: The correct answer is D: Hypertensive retinopathy. When examining a patient with red reflexes bilaterally, it indicates that light is reflecting off the retina, suggesting normal retinal function. Hypertensive retinopathy typically presents with signs such as flame-shaped hemorrhages, cotton-wool spots, and papilledema, which are not consistent with a normal red reflex. Retinoblastoma (A) would present as a white pupillary reflex, cataract (B) as opacity in the lens, and an artificial eye (C) would not have a red reflex at all. Therefore, by observing red reflexes bilaterally, you essentially exclude hypertensive retinopathy.

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