ATI RN
Cardiovascular System Exam Questions
1. Which of the following is a central vasodilator and peripheral vasoconstrictor?
- A. Sympathetic nervous system
- B. Parasympathetic nervous system
- C. Norepinephrine
- D. Acetylcholine
Correct answer: A
Rationale: The correct answer is the Sympathetic nervous system. The sympathetic nervous system is a branch of the autonomic nervous system that is responsible for the fight-or-flight response. It causes vasodilation in central vessels to increase blood flow to vital organs during stress or exercise, while inducing vasoconstriction in peripheral vessels to redirect blood to essential areas. Norepinephrine and acetylcholine are neurotransmitters associated with the sympathetic and parasympathetic nervous systems, respectively, but they are not themselves central vasodilators and peripheral vasoconstrictors.
2. The client being treated for esophageal varices has a Sengstaken-Blakemore tube inserted to control the bleeding. The most important assessment is for the nurse to:
- A. Check that the hemostat is on the bedside
- B. Monitor IV fluids for the shift
- C. Regularly assess respiratory status
- D. Check that the balloon is deflated on a regular basis
Correct answer: C
Rationale: Regularly assessing respiratory status is crucial when a Sengstaken-Blakemore tube is inserted to control bleeding in esophageal varices.
3. A nurse is providing discharge teaching to a client who has a new prescription for enoxaparin. Which of the following instructions should the nurse include?
- A. Avoid eating spinach while taking this medication.
- B. Massage the injection site after administration.
- C. Administer the injection into the deltoid muscle.
- D. Inject the medication into the abdomen.
Correct answer: D
Rationale: The correct answer is to inject the medication into the abdomen. Enoxaparin should be administered subcutaneously into the abdomen for optimal absorption. Choice A is incorrect as there is no specific interaction between enoxaparin and spinach. Choice B is incorrect as massaging the injection site after administration is not recommended and can increase bruising. Choice C is incorrect as enoxaparin injections should not be administered into the deltoid muscle.
4. Two RNs are discussing the benefits of professional liability insurance. Which of the following is a reason for an RN to have a professional liability insurance policy?
- A. No expenses are involved in frivolous lawsuits.
- B. If a nurse is found guilty of malpractice, the institution can sue the nurse.
- C. Liability policies may also cover charges of libel, slander, assault, and HIPAA violations.
- D. Only doctors are sued for malpractice.
Correct answer: C
Rationale: Professional liability insurance is essential for nurses to have as it may cover charges of libel, slander, assault, and HIPAA violations. Option A is incorrect as there are expenses involved in frivolous lawsuits. Option B is incorrect because if a nurse is found guilty of malpractice, the institution can sue the nurse. Option D is incorrect as nurses can also be sued for malpractice, not just doctors.
5. Why is it important to establish a contract with a client with an eating disorder at the beginning of treatment?
- A. The client and healthcare provider form a partnership that is challenging for the family to disrupt.
- B. A collaborative approach to treatment planning ensures that both physical and emotional needs will be addressed.
- C. Involving the client in decision-making enhances the feeling of control and fosters cooperation.
- D. Permission for refeeding is crucial as it can have adverse effects.
Correct answer: C
Rationale: Establishing a contract with a client with an eating disorder at the start of treatment is crucial to involve the client in decision-making processes. By engaging the client in decision-making, it enhances their sense of control over their treatment, which can lead to increased cooperation and better treatment outcomes. This collaborative approach empowers the client and fosters a therapeutic alliance between the client and the healthcare provider, rather than excluding the family or causing disruptions. It focuses on addressing both the physical and emotional needs of the client, ensuring a comprehensive treatment plan.
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