A nurse is assessing a sedated client whose respiratory rate has fallen below 10 respirations per minute.
The nurse identifies this condition as what?
Tachypnea.
Apnea.
Bradypnea.
Eupnea.
The Correct Answer is A
Choice A rationale:
Diastolic pressure represents the pressure in the arteries when the heart is at rest between contractions. It specifically measures the force of blood against the arterial walls when both the atria and ventricles are relaxed, allowing the heart to fill with blood. Diastolic pressure is the bottom number in a blood pressure reading (e.g., 120/80 mmHg), indicating the pressure in the arteries during the heart's resting phase. Elevated diastolic pressure is an important indicator of increased risk for cardiovascular diseases, such as hypertension.
Choice B rationale:
This statement describes systolic blood pressure, which measures the pressure in the arteries when the heart's ventricles contract and pump blood into the circulation. Systolic pressure is the top number in a blood pressure reading (e.g., 120/80 mmHg) and represents the highest pressure reached in the arteries during a cardiac cycle.
Choice C rationale:
This description is not accurate for either diastolic or systolic pressure. Both atria and ventricles do not contract simultaneously; they follow a specific sequence to ensure effective pumping of blood through the heart.
Choice D rationale:
This statement is incorrect as it does not align with the definitions of diastolic or systolic blood pressure. Diastolic pressure specifically measures the pressure in the arteries during the heart's resting phase, not when the ventricles relax. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
The anterior surface of the drape is not the correct choice because it includes the central sterile area, which should never be touched by the nurse. Touching the central sterile area contaminates the field.
Choice B rationale:
The outer 1-inch border of the drape is the correct choice for the nurse to touch. This border is considered non-sterile and can be handled without contaminating the sterile field. It acts as a barrier, preventing contaminants from reaching the central sterile area.
Choice C rationale:
The top inner corners of the drape are part of the central sterile area and should not be touched by the nurse. Touching this area would contaminate the sterile field.
Choice D rationale:
The posterior aspect of the drape is not the correct choice because it is part of the central sterile area. Touching this area would contaminate the sterile field. When preparing a sterile field, it is essential for the nurse to follow strict aseptic techniques to maintain the sterility of the field. This includes touching only the designated non-sterile areas, such as the outer 1-inch border of the sterile drape, to avoid contamination.
Correct Answer is D
Explanation
Choice A rationale:
A suffix is a word part that is added to the end of a root word to modify its meaning. For example, in the medical term "cardiologist," the suffix '-ologist' means a specialist or expert. A suffix is placed at the end of a root word or a combining form to create a specific medical term.
Choice B rationale:
A word root is the foundational part of a medical term. It contains the core meaning of the term and is not usually modified by prefixes or suffixes. For instance, in the term "cardiology," 'cardi-' is the word root, representing the heart. Word roots provide the essential meaning of the medical term.
Choice C rationale:
A prefix is a word part that is added to the beginning of a root word or a combining form to modify its meaning. Prefixes are important in medical terminology as they indicate locations, numbers, or time. For example, in the term "prehypertension," the prefix 'pre-' means before. Prefixes are added at the beginning of a word.
Choice D rationale:
A combining form is a word root combined with a vowel (usually 'o') that can be joined with other word parts to create a medical term. Combining forms are used as a connector to join a root word and a suffix or another root word. For example, in the term "gastritis," 'gastr-' is the combining form, representing the stomach. Combining forms facilitate the construction of complex medical terms.
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