A nurse is collecting data from a client about range-of-motion for various joints. Which of the following should the nurse identify as an example of a ball and socket joint?
Ankle
Shoulder
Knee
Metacarpophalangeal
The Correct Answer is B
A. Ankle is incorrect. The ankle is a hinge joint, which allows for movement in one plane (up and down), not the multidirectional movement characteristic of a ball and socket joint.
B. Shoulder is correct. The shoulder joint is a ball and socket joint. This type of joint allows for movement in multiple directions, including flexion, extension, abduction, adduction, rotation, and circumduction.
C. Knee is incorrect. The knee is a hinge joint, allowing for flexion and extension but not the wide range of motion that a ball and socket joint offers.
D. Metacarpophalangeal is incorrect. The metacarpophalangeal joints (knuckles) are condyloid joints, which allow for movement in two planes but not the full rotational movement of a ball and socket joint.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. "It is my responsibility to obtain informed consent from the client prior to the procedure." is incorrect. It is the provider's responsibility to explain the procedure, its risks, benefits, and alternatives to the client, not the nurse's. The nurse's role is to witness the signing of the consent form.
B. "I will sign the consent form to indicate that the client has received written materials explaining the procedure." is incorrect. The nurse's role is to witness the client's signature, but the nurse does not sign to indicate that the client has received written materials.
C. "I will provide the client with an explanation of the procedure before I sign the consent form." is incorrect. The nurse should not provide the explanation of the procedure; this is the responsibility of the provider. The nurse ensures that the client understands and is signing voluntarily.
D. "When I sign the consent form, I am stating that the client appears to be competent to give consent." is correct. The nurse’s role is to witness the signing of the consent form and ensure that the client appears to be competent to provide consent. The nurse does not provide the explanation but confirms that the client is signing voluntarily and understands the procedure.
Correct Answer is D
Explanation
A. Holding the irrigation solution bottle 5 cm (2 in) above the sterile container is incorrect because the solution should be poured into a sterile container without contaminating the sterile field. The nurse should pour the solution from a height that avoids splashing and contamination.
B. Opening the outer wrapper of the sterile package toward her body is incorrect. The outer wrapper of a sterile package should be opened away from the body to avoid contamination of the sterile field.
C. Placing the irrigation solution bottle cap on the sterile field is incorrect. The cap should not be placed on the sterile field, as it may introduce contaminants.
D. Placing sterile objects at least 2.5 cm (1 in) from the edge of the sterile field is correct. This practice maintains the sterility of the field by preventing contamination from external sources.
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