HESI PN Pharmacology

HESI PN Pharmacology 1) A client is being treated for hyperthyridism with propylthiouracil (PTU). The LPN/LVN knows that the action of this drug is to: A. decrease the amount of thyroid stimulating hormone circulating in the blood. B. increase the amount of thyroid-stimulating hormone circulating in the blood. C. increase the amount of T4 and decrease the amount of T3 produced by the thyroid. D. inhibit synthesis of T3 and T4 by the thyroid gland. D. PTU is an adjunct therapy used to control hyperthyroidism by inhibiting production of thyroid hormones. It is often prescribed in prep for thyroidectomy or radioactive iodine therapy 2) A female client with RA takes ibuprofen (motrin) 600mg PO 4xday. To preven GI bleeding, misoprostol (cytotec) 100mcg PO is prescribed. Which information is most important for the nurse to include in client teaching? A. use contraception during intercourse B. ensure the cytotec is taken on an empty stomach C. encourage oral fluid intake to prevent constipation D. take cytotec 30min prior to motrin A. Use contraception during intercourse. Cytotec, a synthetic form of prostaglandin, is classified as pregnancy category X and can act as an abortifacient, so the client should be instructed to use contraception during intercourse to prevent loss of early pregnancy 3) Dobutamine (Dobutrex) is an emergency drug most commonly prescribed for a client with which condition? A) Shock. B) Asthma. C) Hypotension. D) Heart failure D. Heart Failure Dobutamine is a beta-1 adrenergic agonist that is indicated for short term use in cardiac decompensation or heart failure (D) related to reduced cardiac contractility due to organic heart disease or cardiac surgical procedures. Alpha and beta adrenergic agonists, such as epinephrine and dopamine, are sympathomimetics used in the treatment of shock (A). Other selective beta-2 adrenergic agonists, such as terbutaline and isoproterenol, are indicated in the treatment of asthma (B). Although dobutamine improves cardiac output, it is not used to treat hypotension (C). 4) Which medications should the nurse caution the client about taking while receiving an opioid analgesic? A. Antacids. B. Benzodiasepines C. Antihypertensives D. Oral antidiabetics B. B. Benzodiasepines Respiratory depression increases with the concurrent use of opioid analgesics and other cns depressant agents, such as alcohol, barbiturates, and benzodiasepines