The nurse notes that the client's rhythm strip indicates a PR-interval of 0.28 seconds. What is the nurse's analysis of this problem?

2nd degree Mobitz Il

Atrial flutter

Sinus bradycardia

1st degree AV block

Answer and Explanation

The Correct Answer is D

A.   This type of AV block is characterized by a progressively lengthening PR interval until a QRS complex is dropped (a blocked beat). A PR interval of 0.28 seconds could be seen in 2nd degree Mobitz I (Wenckebach), not Mobitz II, which has a more irregular pattern of dropped beats
B.   Atrial flutter: Atrial flutter is a type of arrhythmia characterized by rapid atrial rates (typically around 250-350 beats per minute) with a sawtooth pattern of P-waves. It does not relate to the PR interval, but rather the atrial rhythm.
C.   Sinus bradycardia: Sinus bradycardia is characterized by a slower-than-normal heart rate (less than 60 beats per minute), but this does not affect the PR interval directly. A normal PR interval (0.12-0.20 seconds) can still be seen in sinus bradycardia, so the prolonged PR interval in this case makes sinus bradycardia less likely.
D.   1st degree AV block: In 1st degree AV block, the PR interval is consistently prolonged, usually more than 0.20 seconds, but it is still a constant, non-variable delay in the conduction between the atria and ventricles. A PR interval of 0.28 seconds (which is longer than normal but consistent) is characteristic of a first-degree AV block, making it the correct answer.

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Correct Answer is D

Explanation

A. Timolol eye drops are not indicated following the administration of atropine, as atropine has no effect on intraocular pressure.
B. Inserting an indwelling catheter is not necessary for the administration of atropine, which is used to treat bradycardia, not urinary retention.
C. Administering an antidiarrheal medication is unrelated to atropine administration; atropine typically causes dry mouth rather than diarrhea.
D. Atropine is an anticholinergic medication that decreases saliva production, which can lead to dry mouth and discomfort. Frequent oral care is important to prevent oral mucosal irritation and discomfort for the client.

A. Cryoprecipitate and red blood cells B. Platelets and fresh frozen plasma C. Packed red blood cells and platelets D. Fresh frozen plasma and cryoprecipitate

Correct Answer is C

Explanation

A. Cryoprecipitate is indicated for low fibrinogen or clotting factor issues, but the client’s primary issue
here is anemia and thrombocytopenia.
B. FFP is used to replace clotting factors. While it could be considered in certain situations, in this case, the primary concern is the severe anemia and thrombocytopenia.
C. This is the most appropriate choice, as the patient has low hemoglobin (anemia) and a very low platelet count, both of which require packed red blood cells and platelets.
D. This combination is typically used for clotting factor issues, not anemia and thrombocytopenia.

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			Male: 14- 17.3 g/dL
Hematocrit	26%	24%	Female: 36%-48% Male: 42%-52%
Platelets	35,000mm3	20,000mm3	150,000- 450,000mm3
RBC	4.5 mm3	3mm3	Female: 4.01-5.51 million/mm3 Male: 4.51-

The nurse notes that the client's rhythm strip indicates a PR-interval of 0.28 seconds. What is the nurse's analysis of this problem?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

Correct Answer is C

Explanation

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