Hard water contains high levels of minerals such as

a. iron and zinc.
b. lead and sulfur.
c. sodium and potassium.
d. calcium and magnesium.


D
Hard water contains calcium and magnesium. Some natural water sources contain iron (this water may stain sinks and appliances brown). Lead is considered a contaminant in water. Softened water contains sodium. Zinc, sulfur, and potassium are not usually found in water.

Nursing

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A patient has hypertension and wants to take a nasal decongestant for cold symptoms. Which of the following statements by the nurse best describes the effect of decongestants on blood pressure?

A) "The administration of a nasal decongestant will increase blood pressure due to vasoconstriction of blood vessels." B) "The administration of a nasal decongestant will cause bradycardia and increase peripheral blood pressure." C) "The administration of a nasal decongestant will decrease the thyroid production and increase blood pressure." D) "The administration of nasal decongestant will act on the central nervous system to cause vasodilation of blood vessels."

Nursing

A nurse is formulating a nursing diagnosis. What is an example of an appropriately written nursing diagnosis?

a. Risk for impaired skin integrity related to physical immobilization b. Physical immobilization secondary to risk for impaired skin integrity c. Risk for impaired skin integrity related to diagnosis of decubitus ulcers d. Physical immobilization secondary to decreased cognitive ability

Nursing

A patient inquires about the purpose of the laboratory test to measure the serum level of adrenocorticotropic hormone (ACTH). What should a nurse respond that the laboratory test will determine?

a. The pituitary gland is sending the correct message to the adrenal glands. b. The thyroid gland is not stimulating the production of ACTH. c. The adrenal glands are not responding to produce cortisol. d. Androgen metabolites are low or border-line.

Nursing

A nurse is providing patient education about the benefits of moderate versus excessive drinking. Which of the following statements made by the patient indicates a need for further teaching?

a. "Moderate drinking is defined as two drinks a day for men." b. "Chronic drinking leads to erosive gastritis." c. "Moderate drinking raises low-density lipoprotein cholesterol." d. "Chronic use of alcohol damages the myocardium."

Nursing