A nurse is teaching a class about skeletal muscles.
Which of the following should the nurse identify as a function of skeletal muscles?
Skeletal muscles enable the heart to contract with each heartbeat
Skeletal muscles enable the bladder to contract during voiding
Skeletal muscles enable the bronchioles to dilate in the lungs
Skeletal muscles enable a hand to contract and form a fist
Skeletal muscles enable a hand to contract and form a fist
The Correct Answer is D
Choice A rationale
Skeletal muscles do not enable the heart to contract with each heartbeat. The heart has its own specialized muscle tissue known as cardiac muscle, which allows it to contract and pump blood throughout the body.
Choice B rationale
Skeletal muscles do not enable the bladder to contract during voiding. The detrusor muscle, a smooth muscle found in the wall of the bladder, contracts during urination to expel urine from the body.
Choice C rationale
Skeletal muscles do not enable the bronchioles to dilate in the lungs. The dilation and constriction of the bronchioles are controlled by the autonomic nervous system and the smooth muscles in the walls of the bronchioles.
Choice D rationale
Skeletal muscles do enable a hand to contract and form a fist. Skeletal muscles are responsible for all voluntary movements, including making a fist. When you want to make a fist, your brain sends a signal to the skeletal muscles in your hand and forearm, telling them to contract. This pulls on the tendons connected to your fingers, causing them to move and form a fist.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Fairness refers to treating all people equally and making decisions without favoritism or prejudice. This is not the most fitting answer because the scenario does not provide information about the nurse treating all patients equally.
Choice B rationale
Confidence in nursing involves trust in one’s abilities and clinical judgment. Although confidence is important in all nursing actions, this scenario does not specifically highlight the nurse’s confidence.
Choice C rationale
Advocacy in nursing refers to the nurse’s role in standing up for the rights and needs of their patient. While notifying the provider could be seen as a form of advocacy, the nurse’s actions in this scenario are more closely aligned with accountability.
Choice D rationale
Accountability in nursing refers to the responsibility of nurses to execute their duties according to standards, being answerable for their actions. In this scenario, the nurse demonstrates accountability by acknowledging the medication error, assessing the patient for any adverse effects, and reporting the incident.
Correct Answer is B
Explanation
Choice A rationale
While adequate lighting is important for people with vision impairment, direct lighting from open window shades can create glare, which can make vision problems worse.
Choice B rationale
Facing the patient when speaking to them can help the patient use visual cues to better understand the conversation.
Choice C rationale
Using gestures can be helpful for some patients with vision impairment, but it may not be beneficial for a patient with moderate vision impairment who may not be able to see the gestures clearly.
Choice D rationale
Speaking loudly is not necessary for a patient with vision impairment unless they also have a hearing impairment.
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