A patient's heart rate is regular at 68 beats/min. The electrocardiogram (ECG) tracing shows P waves before every QRS complex. What is the likely pacemaker of the heart?

a. SA node
b. AV node
c. Bundle of His
d. Purkinje fibers


ANS: A

Nursing

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The nurse listens to the following parent–child interaction:

1. Authoritative 2. Authoritarian 3. Permissive 4. Mixed

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A female client receives CPR for 20 minutes when a teenager identifies herself as the client's daughter. The girl is very upset and thinks her mother is dead. Which response should the nurse implement first?

1. Instruct her to notify other family members. 2. Request the girl prove that she is the daughter. 3. Ask if her mother wanted to donate any organs. 4. Invite her to discuss the situation in another room.

Nursing

The nurse is reviewing laboratory reports for multiple patients. Which patient's laboratory values require the nurse's immediate attention?

a. Hemoglobin (Hgb) of 7.1 g/dL; white blood cell (WBC) count of 4500 mL/mm3 b. Potassium of 5.5 mEq/L; WBC count of 7000 mL/mm3 c. Sodium of 129 mEq/L; WBC of 6000 mL/mm3; 13.2 g/dL d. Calcium of 8.8 mg/dL; WBC count of 8000 mL/mm3

Nursing

The TUR or TURP procedure is used to do which of the following?

A. Help the testis descend B. Enlarge the urethral opening so that the patient can void normally C. Surgically excise the sac of the scrotum D. Correct sexual dysfunction

Nursing