ATI RN
Vital Signs Assessment Chapter 7 Questions
Question 1 of 5
The glenohumeral joint (shoulder girdle complex) involves articulation of the humeral head with the glenoid fossa. Approximately what percentage of the humeral head articulates with the glenoid fossa?
Correct Answer: B
Rationale: Approximately 30% of the humeral head articulates directly with the glenoid fossa, with the labrum increasing this contact area.
Question 2 of 5
The nurse is assessing for clubbing of the fingernails and expects to find:
Correct Answer: D
Rationale: The normal nail is firm at its base and has an angle of 160 degrees. In clubbing, the angle straightens to 180 degrees or greater and the nail base feels spongy.
Question 3 of 5
The nurse is assessing a patient's peripheral pulses. Which pulse is located on the top of the foot?
Correct Answer: A
Rationale: The dorsalis pedis pulse is located on the top of the foot and is an important indicator of peripheral circulation.
Question 4 of 5
Which area of the fundus is the central focal point for incoming images?
Correct Answer: A
Rationale: The fovea is the area of the retina which is responsible for central vision. It is surrounded by the macula, which is responsible for more peripheral vision. The optic disc and physiologic cup are where the optic nerve enters the eye.
Question 5 of 5
What is the most common cause of posterior cruciate ligament (PCL) injury?
Correct Answer: D
Rationale: A dashboard injury, where the tibia is forced posteriorly, is the most common cause of PCL injury.