HESI Fundamentals Practice Exam

Correct Answer: B

Rationale: Hinge joints, like the elbow, primarily allow movement in one direction, in this case, bending the arm. The correct action to exercise hinge joints is to bend the arm by flexing the ulnar to the humerus. This movement specifically targets the hinge joint and promotes its range of motion. Choices A, C, and D involve movements that do not specifically target hinge joints. Tilt the pelvis involves the ball-and-socket joints of the hip, turning the head involves the pivot joint of the neck, and extending the arm and rotating it in circles involve multiple joints including ball-and-socket and pivot joints.

Correct Answer: D

Rationale: Orthopnea (D) is most consistent with left-sided heart failure. It is characterized by difficulty breathing when lying flat and is relieved by sitting up or standing. Dependent edema (A), ascites (B), and nocturia (C) are more commonly associated with right-sided heart failure. Dependent edema refers to swelling due to fluid accumulation, ascites is the accumulation of fluid in the peritoneal cavity, and nocturia is the excessive need to urinate during the night, all of which are more indicative of right-sided heart failure.

Correct Answer: D

Rationale: The correct instruction for a UAP caring for a client with MRSA under contact precautions is to don a gown and gloves when entering the client's room. This precaution is essential to prevent the spread of MRSA and protect both the client and the healthcare worker from potential infection. Choice A is incorrect because visitors should not be restricted solely based on contact precautions. Choice B is incorrect as wearing sterile gloves is not necessary, standard precautions with regular gloves are sufficient. Choice C is incorrect because the client wearing a mask is not a standard practice for contact precautions; it is the healthcare worker who should take preventive measures.

Correct Answer: B

Rationale: When a private room is not an option, the best choice is to assign the elderly client with influenza to a double room with another client diagnosed with the same condition. This is ideal as droplet precautions would likely already be in place for the other client, reducing the risk of spreading the infection to other clients in the unit. Choice A is not appropriate as impetigo does not require the same precautions as influenza. Choice C is not ideal as orthopedic surgery does not involve respiratory precautions. Choice D is incorrect because chickenpox requires airborne precautions, which could pose a risk to the elderly client with influenza.

Correct Answer: C

Rationale: The most accurate method to confirm the proper placement of a nasogastric tube is by examining a chest x-ray obtained after the tubing was inserted. This visual assessment allows healthcare providers to directly visualize the position of the tube in relation to anatomical landmarks, ensuring it is correctly placed in the stomach. Aspirating gastric contents or hearing air pass may provide some information but are not as definitive as a chest x-ray for confirming placement. Checking the remaining length of tubing is not a reliable method for determining proper placement as it does not indicate where the tip of the tube lies within the body.