During an examination of a female patient, the nurse notes lymphadenopathy and suspects an acute infection. How do acutely infected lymph nodes typically appear?

Lumped

Unilateral

Soft and nontender

Firm but freely movable

Answer and Explanation

The Correct Answer is B

A.   Lymph nodes are usually described as enlarged or swollen, not "lumped." This term is not typically used in the description of lymphadenopathy.
B.   In cases of acute infection, lymphadenopathy is most often unilateral and localized to the area of infection. For example, if there is a throat infection, the lymph nodes on the same side of the neck are more likely to be enlarged.
C.   Lymph nodes that are soft and nontender are more indicative of chronic conditions such as lymphoma or metastasis. In acute infections, lymph nodes tend to be firm and tender.
D.   Firm but freely movable nodes may be indicative of chronic conditions or noninfectious causes. Acute infection typically leads to tender, swollen lymph nodes that may feel rubbery or hard but are usually movable.

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Correct Answer is D

Explanation

A. Atrioventricular (AV) node: The AV node conducts electrical signals from the atria to the ventricles, but it is not the pacemaker of the heart.
B. Bundle branches: The bundle branches transmit the electrical impulses to the ventricles but are not the primary pacemaker.
C. Bundle of His: The Bundle of His conducts electrical signals from the AV node to the bundle branches and ventricles but does not act as the pacemaker.
D. Sinoatrial (SA) node: The SA node, located in the right atrium, is the primary pacemaker of the heart, initiating electrical impulses that regulate heart rhythm.

A. Tachycardia B. Dyspnea C. Constipation D. Atrophied nodular thyroid gland

Correct Answer is A

Explanation

A. Tachycardia is a common sign of hyperthyroidism, as elevated thyroid hormones increase heart rate and metabolic rate.
B. Dyspnea is not typically associated with hyperthyroidism; more commonly, hyperthyroid patients experience tachypnea (increased rate of breathing), but not necessarily dyspnea.
C. Constipation is more commonly associated with hypothyroidism, where metabolic slowing occurs.
D. Atrophied nodular thyroid gland is not typical of hyperthyroidism; a goiter (enlarged thyroid) is more commonly seen.

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During an examination of a female patient, the nurse notes lymphadenopathy and suspects an acute infection. How do acutely infected lymph nodes typically appear?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

What component of the conduction system is referred to as the pacemaker of the heart?

Correct Answer is D

Explanation

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Correct Answer is A

Explanation

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