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 A
Explanation
Choice A rationale
Increasing fluid intake can help alleviate constipation. Fluids can soften stool, making it easier to pass.
Choice B rationale
A low-fiber diet can actually contribute to constipation. Fiber adds bulk to the stool and helps it move more quickly through the intestines.
Choice C rationale
While mineral oil can sometimes be used to relieve constipation, it is not typically the first intervention chosen. It can interfere with the absorption of certain nutrients and medications.
Choice D rationale
Cold fluids do not have a significant effect on constipation. While staying hydrated is important, the temperature of the fluids is not typically a factor in constipation.
Correct Answer is D
Explanation
Choice A rationale
Initiating life-saving measures such as a rapid response call would not be appropriate in this context. The patient is in a hospice setting, which focuses on providing comfort and quality of life for patients who are nearing the end of life, rather than aggressive life-saving interventions.
Choice B rationale
Calling the provider because these signs and symptoms are abnormal would not be the correct response. In a hospice setting, these symptoms are expected and are indicative of the natural dying process.
Choice C rationale
The statement that rapid respirations that are unusually deep and regular are curative for the patient is incorrect. Cheyne-Stokes respirations, characterized by a pattern of increasing and then decreasing depth of breath followed by a period of apnea, are often seen in patients nearing the end of life. They are not curative but are a sign of the body’s decreasing metabolic demands and changing physiology as death approaches.
Choice D rationale
The nurse understanding that these are impending signs of death and are normal is the correct response. The symptoms described, including loss of appetite, swelling of the limbs, increased sleep, Cheyne-Stokes respirations, and hallucinations, are all common in the final stages of life.
Recognizing these signs can help the nurse provide appropriate care and support to the patient and their family during this time.
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