ATI RN
100 Questions on the Cardiovascular System PDF Questions
Question 1 of 5
The layer secretes chemicals that help to regulate ionic environments and strength of contraction and serve as powerful vasoconstrictors.
Correct Answer: B
Rationale: The endocardium (B), via endothelial cells, secretes substances (e.g., endothelins) affecting ions, contraction, and vasoconstriction. Others (A, C, D) don’t secrete these.
Question 2 of 5
Which of the following is the priority nursing intervention for a client who is receiving adenosine (Adenocard) for supraventricular tachycardia (SVT)?
Correct Answer: C
Rationale: Adenosine (C) requires a patent IV in a large vein (antecubital) due to its short half-life, making it the priority. Others (A, B, D) are secondary.
Question 3 of 5
The registered nurse is preparing to delegate assignments for the day. Which of the following assignments would be appropriate to delegate to a licensed practical nurse?
Correct Answer: D
Rationale: An LPN can take BP before verapamil (D), within their scope. Contacting a physician (A), monitoring heparin levels (B), and questioning streptokinase (C) require RN judgment.
Question 4 of 5
Which are the major lymphatic organs?
Correct Answer: B
Rationale: Major lymphatic organs include the thymus (T-cell maturation), spleen (lymphocyte storage and blood filtering), and tonsils (immune surveillance). The liver and pituitary are not lymphatic; tonsils are often included as secondary lymphoid tissue.
Question 5 of 5
In order to enhance a client's response to medication for chest pain from acute angina, the nurse should emphasize?
Correct Answer: B
Rationale: Relaxation techniques reduce stress and oxygen demand on the heart, enhancing the effectiveness of angina medications (e.g., nitroglycerin). Other options help overall health but are less directly tied to acute pain relief.