Which lung sounds are expected?
Bronchovesicular
Bronchial
Dullness
Flatness
The Correct Answer is B
A. Bronchovesicular sounds are normal lung sounds that are typically heard over the mainstem bronchi and are expected during auscultation.
B. Bronchial sounds are also normal and are typically heard over the trachea; they are expected lung sounds.
C. Dullness is not a lung sound but rather a descriptor of percussion notes, typically indicating fluid or solid mass in the lungs.
D. Flatness is also not a normal lung sound but refers to a percussion note that can suggest the presence of fluid or a solid mass.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Assessing visual acuity directly tests cranial nerve II (the optic nerve), which is responsible for vision.
B. Eliciting the gag reflex tests cranial nerves IX (glossopharyngeal) and X (vagus), not cranial nerve II.
C. Checking for pupillary response to light primarily assesses the function of cranial nerve II but is more associated with cranial nerve III (oculomotor) since it involves the constriction of the pupil. While relevant, it is not the best standalone action for assessing cranial nerve II specifically.
D. Observing for facial symmetry is associated with cranial nerve VII (facial nerve), not cranial nerve II.
Correct Answer is A
Explanation
A. To determine the heart rate from a rhythm strip, you can count the number of R-R intervals in a set time frame (typically 6 seconds) and multiply by 10 to convert to beats per minute. If the rhythm is regular, you can also use the 300 method by dividing 300 by the number of large squares between R waves. In this case, the rate is calculated to be 90 beats per minute.
B. A heart rate of 110 beats per minute would be classified as tachycardia and is not supported by the observed intervals.
C. A heart rate of 73 beats per minute would be a normal resting heart rate but does not match the calculation from the rhythm strip.
D. A heart rate of 50 beats per minute would indicate bradycardia, which is not reflected in this rhythm strip.
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