The movement of substances across cell membranes using chemical energy and carrier molecules is called:
a. active transport
b. diffusion
c. filtration
d. osmosis
A
Substances constantly move in and out of cells by passing through the cell membrane without the cell expending energy (passive transport) or by requiring the cell to expend energy (active transport).
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A breast-feeding patient has been given a prescription medication. The prescriber assures her that the drug is safe for both her and her baby. The mother is concerned but wants to continue breast-feeding
What clarification should the nurse provide for the patient? a. Stop breast-feeding and feed the baby formula. b. Take the medication immediately after breast-feeding. c. Pump breast milk and feed the baby by bottle. d. Take the medication 1 hour prior to breast-feeding.
A risk factor for the development of delirium in older adults is:
A) Age-related cognitive changes that make older adult clients more susceptible to changes in mental status. B) A lack of rigorous exercise that leads to decreased cerebral blood flow. C) Administration of multiple medications that may cause drug-drug interactions or toxicity. D) Decreased social interaction that leads to profound isolation and psychosis.
An elderly client wants to move into a congregate housing facility. What information should the nurse provide regarding congregate housing?
A) Personnel from the facility will check on each client daily. B) Clients at this facility are supervised in all activities. C) Clients spend only part of their day in this facility. D) Only clients with disabilities can use this facility.
By which structure are mature erythrocytes removed from the bloodstream?
a. Liver b. Lymph nodes c. Thymus d. Spleen