Linea nigra is commonly found on the abdomens of:
older adults
infants and children
adolescents
pregnant women
The Correct Answer is D
A. Linea nigra is not typically found in older adults.
B. Infants and children do not generally exhibit linea nigra.
C. Adolescents do not commonly have linea nigra.
D. Linea nigra is a dark line that appears on the abdomen of pregnant women due to hormonal changes and increased pigmentation.
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Correct Answer is C
Explanation
A. This would show a regular rhythm with a consistent rate (60-100 bpm) and clear P waves before each QRS complex, which is not present in asystole.
B. This indicates a slow heart rate (below 60 bpm) but would still display P waves and QRS complexes; asystole shows no electrical activity.
C. This is the correct interpretation as it represents a flatline on the ECG, indicating no electrical activity in the heart.
D. This would show a rapid heart rate (above 100 bpm) with present P waves, which is not the case in asystole.
Correct Answer is B
Explanation
A. Lordosis is an exaggerated inward curvature of the lumbar spine.
B. Scoliosis is a lateral curvature of the spine, often characterized by an "S" or "C" shape when viewed from behind. This is the disorder depicted in the image.
C. Kyphosis is an exaggerated outward curvature of the thoracic spine, often leading to a hunchback appearance.
D. Funnel chest (pectus excavatum) is a condition where the breastbone sinks into the chest, creating a sunken appearance.