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Linea nigra is commonly found on the abdomens of:

A.

older adults

B.

infants and children

C.

adolescents

D.

pregnant women

Answer and Explanation

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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View Related questions

Correct Answer is C

Explanation

A. This description relates more to a sensory discrimination test, not graphesthesia.

B. This option does not accurately describe the graphesthesia test, which involves identifying shapes or numbers rather than just touch location.

C. In the graphesthesia test, the client closes their eyes while the nurse uses a blunt object to write a number or shape in the client's palm, and the client must identify what was written. This assesses the ability to recognize letters or numbers drawn on the skin.

D. This option describes a two-point discrimination test rather than graphesthesia, which focuses on identifying drawn shapes or numbers.

Correct Answer is B

Explanation

A. Early ventricular repolarization is represented by the T wave, not the P wave.

B. The P wave represents atrial depolarization, which is the electrical activity that triggers the contraction of the atria.

C. Slow repolarization of ventricular Purkinje fibers is represented by the T wave, not the P wave.

D. Ventricular depolarization is represented by the QRS complex, not the P wave.

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