Nokea
Charlie is a 65-year-old male who has been diagnosed with hypertension and benign prostatic hyperplasia. Doxazosin has been chosen to treat his hypertension because it:
- A. Increases peripheral vasoconstriction
- B. Decreases detrusor muscle contractility
- C. Lowers supine blood pressure more than standing pressure
- D. Relaxes smooth muscle in the bladder neck
Correct Answer: D
Rationale: Doxazosin, an alpha-1 blocker, relaxes bladder neck smooth muscle, aiding BPH, and lowers blood pressure.
You may also like to solve these questions
A nurse is preparing to initiate IV therapy for an older adult client. Which of the following actions should the nurse plan to take?
- A. Use a disposable razor to remove excess hair on the extremity.
- B. Select the back of the client's hand to the catheter.
- C. Entered the veins by using a blood pressure cuff.
- D. Direct the client to raise his arm above his heart
Correct Answer: B
Rationale: The back of the hand is a common site for older adults due to accessible veins and reduced risk of complications.
A nurse is preparing to perform a follow-up assessment on a client who takes Chlorpromazine for the treatment of Schizophrenia. The nurse should expect to find the greatest improvement in which of the following manifestations?(Select one that does not apply.)
- A. Disorganized speech
- B. Bizarre behavior
- C. Impaired social interactions
- D. Hallucinations
Correct Answer: C
Rationale: Chlorpromazine improves positive symptoms like speech , behavior , and hallucinations , less so negative symptoms.
Which of the following glucocorticosteroids are used for cerebral oedema:
- A. Triamcinolon
- B. Prednisolon
- C. Prednison
- D. Dexamethasone
Correct Answer: D
Rationale: Dexamethasone is preferred for cerebral edema due to its potent anti-inflammatory effects and minimal mineralocorticoid activity.
The reason that two MMR vaccines at least a month apart are recommended is:
- A. The second dose of MMR 'boosts' the immunity built from the first dose
- B. Two vaccines 1 month apart is the standard dosing for all live virus vaccines
- C. If the two MMR vaccine doses are given too close together there is a greater likelihood of severe localized reaction to the vaccine
- D. Only 95% of patients are fully immunized for measles after the first vaccine, with 99% having immunity after two doses of MMR
Correct Answer: D
Rationale: Two MMR doses ensure 99% immunity, as 95% respond to one dose; boosting is secondary to this goal.
A nurse working in radiology administers iodine to a patient who is having a computed tomography (CT) scan. The nurse working on the oncology unit administers chemotherapy to patients who have cancer. At the Public Health Department, a nurse administers a measles-mumps-rubella (MMR) vaccine to a 14-month-old child as a routine immunization. Which branch of pharmacology best describes the actions of all three nurses?
- A. Pharmacoeconomics
- B. Pharmacotherapeutics
- C. Pharmacodynamics
- D. Pharmacokinetics
Correct Answer: B
Rationale: Pharmacology is the study of the biologic effects of chemicals. Nurses are involved with clinical pharmacology or pharmacotherapeutics, which is a branch of pharmacology that deals with the uses of drugs to treat, prevent, and diagnose disease. The radiology nurse is administering a drug to help diagnose a disease. The oncology nurse is administering a drug to help treat a disease. Pharmacoeconomics includes any costs involved in drug therapy. Pharmacodynamics involves how a drug affects the body and pharmacokinetics is how the body acts on the body.