Which of the following is known as the pacemaker of the heart?

a. Sinoatrial node.
b. Atrioventricular node.
c. Bundle of His.
d. Purkinje fibres.


a
The sinoatrial node is located in the upper part of the
right atrium and acts as the pacemaker of the heart.

Nursing

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A community health nurse is preparing to work in a country in which women are viewed as weak and ineffectual. Which of the following would the nurse need to do first?

A) Determine his or her own position and beliefs about this view B) Develop a basic plan to change the view of women C) Become aware of possible areas that might affect care D) Avoid situations involving the care of women

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A client with diarrhea asks what can be eaten that doesn't cause more watery stools. What should the nurse respond to this client?

1. "Try the 'BRAT' diet: bouillon soup, rice, applesauce, and tea." 2. "Soft-boiled eggs and toast for several days should help." 3."It would be best to give your bowel a rest and not eat anything for 24 hours." 4. "You need to talk to the dietician about that."

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While performing an initial assessment of a patient admitted with appendicitis, the nurse observes an elevated blue-black lesion on the patient's ear. The nurse knows that this lesion is consistent with what type of skin cancer?

A) Basal cell carcinoma B) Squamous cell carcinoma C) Dermatofibroma D) Malignant melanoma

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The patient is being treated with an alkylating agent as a chemotherapeutic medication. Which drug-induced dermatologic reactions should she be instructed to expect to experience to some degree?

a. Urticaria b. Photosensitivity c. Alopecia d. Purpura

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