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

Answer and Explanation

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.

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Correct Answer is ["A","B","C","D","E"]

Explanation

Choice A rationale
High glucose levels can indicate uncontrolled diabetes, which can increase the risk of surgical complications such as infection and poor wound healing.
Choice B rationale
Metformin is a medication used to treat type 2 diabetes. It can increase the risk of lactic acidosis, especially in patients undergoing procedures that involve the use of contrast dye.
Choice C rationale
A history of smoking can increase the risk of surgical complications, including poor wound healing, infection, and lung problems.
Choice D rationale
An elevated white blood cell (WBC) count can indicate an infection or inflammation in the body, which can increase the risk of surgical complications.
Choice E rationale
Type 2 diabetes mellitus can increase the risk of surgical complications, including infection, poor wound healing, and cardiovascular complications.

A. A perceived stressor stimulates the central nervous system. B. The body remains alert, while blood pressure and heart rate return to pre-stress levels. C. Prolonged exposure to stress can result in illness. D. An increase in hormones causes an increase in blood pressure and heart rate.

Correct Answer is A

Explanation

Choice A rationale
The first physiological response that occurs during the General Adaptation Syndrome (GAS) is
the alarm reaction stage. This stage is the body’s initial response to stress, where the sympathetic nervous system is activated by the sudden release of hormones.
Choice B rationale
The body remaining alert while blood pressure and heart rate return to pre-stress levels is part of the resistance stage of GAS, not the first physiological response.
Choice C rationale
Prolonged exposure to stress resulting in illness is associated with the exhaustion stage of GAS, which is the final stage, not the first physiological response.
Choice D rationale
An increase in hormones causing an increase in blood pressure and heart rate is part of the alarm reaction stage, but it is not the first physiological response. The first response is the perception of a stressor that stimulates the central nervous system.

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A nurse is teaching a class about skeletal muscles. Which of the following should the nurse identify as a function of skeletal muscles?

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a patient who is scheduled for a surgical procedure. The nurse is reviewing the patient’s electronic medical record. Which of the following findings places the patient at risk for a surgical complication? Select all that apply.

Correct Answer is ["A","B","C","D","E"]

Explanation

A nurse is teaching a class about the stages of the general adaptive syndrome (GAS). The nurse should include that which of the following is the first physiological response that occurs during GAS?

Correct Answer is A

Explanation

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A nurse is teaching a class about skeletal muscles. Which of the following should the nurse identify as a function of skeletal muscles?

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A nurse is teaching a class about skeletal muscles.
Which of the following should the nurse identify as a function of skeletal muscles?