In the conduction system of the heart, which of the following components is stimulated after the sinoatrial node?
Left bundle branch
Purkinje fibers
Right bundle branch
Atrioventricular node
The Correct Answer is D
A. Left bundle branch: The left bundle branch is stimulated after the atrioventricular node and bundle of His, not immediately after the sinoatrial node.
B. Purkinje fibers: The Purkinje fibers are stimulated later in the conduction pathway, after the bundle branches.
C. Right bundle branch: The right bundle branch is also stimulated after the atrioventricular node and bundle of His.
D. Atrioventricular node: After the sinoatrial node initiates the heartbeat, the electrical impulse travels to the atrioventricular node, which then passes the signal to the bundle of His and down to the bundle branches.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Obtaining a tympanic reading: This procedure does not typically require gloves as it is non-invasive and does not involve contact with bodily fluids.
B. Administering a nebulizer treatment: Gloves should be worn during this procedure to maintain hygiene and prevent exposure to respiratory secretions.
C. Performing a visual acuity test: This test is non-invasive and does not require gloves.
D. Removing a cyst: This procedure typically requires more than gloves; it involves aseptic technique and potentially sterile equipment. Gloves are part of the preparation but are not sufficient on their own.
Correct Answer is A
Explanation
A. Allergies: Allergy information is crucial for preventing adverse reactions to medications and treatments, so it often appears as a pop-up alert in electronic health records (EHRs) to ensure that healthcare providers are aware of any potential risks.
B. Illnesses: Illnesses are typically documented in the patient's history, but they do not usually trigger a pop-up alert unless they are related to specific critical conditions or current treatment concerns.
C. Hospitalizations: Hospitalization history is important but is typically found in the patient's medical history section rather than as an immediate alert in the EHR.
D. Surgeries: Surgical history is generally noted in the patient’s medical history, and while important, it does not usually appear as a pop-up alert unless it directly impacts current treatment.
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