Which mineral has been determined to be essential for cardiac function?

a. Iron
b. Fluoride
c. Zinc
d. Magnesium


ANS: D
Magnesium is a mineral that has been determined to be especially important in cardiac function. Even slight deficiencies may prolong the QT interval and lead to a very dangerous form of ventricular tachycardia called torsades de pointes.

Nursing

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What antidiarrheal would the nurse administer to reduce the volume of discharge from the patient's ileostomy?

A) Diphenoxylate (Lomotil) B) Octreotide (Sandostatin) C) Psyllium (Metamucil) D) Loperamide (Imodium)

Nursing

Why would the nurse perform an inspection of the oral cavity during a complete pulmonary assessment?

a. To provide evidence of hypoxia b. To provide evidence of dyspnea c. To provide evidence of dehydration d. To provide evidence of nutritional status

Nursing

The nurse assesses periorbital edema and ecchymosis around both eyes of a client who is 6 hours postoperative for craniotomy. Which intervention does the nurse implement for this client?

a. Position the client with the head of the bed flat. b. Apply an ice pack to the affected area. c. Assess arterial blood pressure. d. Notify the health care provider.

Nursing

When assessing a client for the risk of pressure ulcer development, what factors must be a part of the assessment? Select all that apply

1. Sensory perception and activity level 2. Moisture 3. Mobility 4. Nutrition 5. Friction and shear

Nursing