Which of the following statements about the major distribution barriers (blood-brain or fetal-placental) is true?

1. Water soluble and ionized drugs cross these barriers rapidly.
2. The blood-brain barrier slows the entry of many drugs into and from brain cells.
3. The fetal-placental barrier protects the fetus from drugs taken by the mother.
4. Lipid-soluble drugs do not pass these barriers and are safe for pregnant women.


2

Nursing

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During admission to the unit, a patient states, "I'm not worried about the results of my tests. I'm sure I'll be all right."

As he observes the patient, the nurse notes that the patient is shaky, tearful, and does not make eye contact. Unfortunately, the nurse is called away to an emergency before he has time to complete this discussion. Which of the following goals is most appropriate for the nurse to establish when returning to the patient? The patient will: a. Explain the reason for his incongruent statements b. Engage in diversional activities to cope with stress c. Express his concerns to his primary care provider d. Discuss his concerns and fears with the nurse

Nursing

When completing documentation on each client, the nurse recognizes that documentation serves what purposes? (Select all that apply.)

a. It communicates to others whether or not care was received. b. It conveys pertinent information about the client's condition and response to treatment interventions. c. It substantiates the quality of care by showing adherence to care standards. d. It provides evidence for reimbursement. e. It serves as a source of data that can be compiled or aggregated and then analyzed to establish "best practice" interventions. f. It is not a source for communicating care to others due to HIPAA rules and regulations.

Nursing

A nurse assesses a 70-year-old man who has high blood pressure and chronic obstructive pulmonary disease (COPD). He has been prescribed nicardipine and ipratropium inhaler

This medication combines a calcium-channel blocker and an anticholinergic. For which of the following urinary effects should the nurse teach the client to monitor? A) Nocturia B) Urinary tract infection (UTI) C) Urge incontinence D) Hematuria

Nursing

The client is recovering from a severe sunburn. What will the best teaching by the nurse include?

1. "Apply lotion or oil to your skin the next time you go out into the sun." 2. "Apply a sunscreen when you are going to be in the sun." 3. "Do not go out into the sun again; you are more susceptible to burn again." 4. "Use a water-soluble sunscreen the next time that you go out into the sun."

Nursing