ใบงาน เภสัชวิทยา พร้อมเฉลย

With patient-controlled analgesia (PCA), who should press the button to give a dose?

1. AOnly the patient
2. BAny visitor who thinks the patient is in pain
3. CA family member when the patient is asleep
4. DThe nursing assistant at set times

What does "polypharmacy" mean?

1. AA pharmacy that stocks many different brands of the same drug
2. BTaking one drug in several different forms
3. CUsing a drug at a very high dose
4. DThe use of many medicines at the same time, often five or more

Oxytocin is used in obstetrics mainly to:

1. ALower blood pressure in pre-eclampsia
2. BMature the fetal lungs before birth
3. CStop preterm labour by relaxing the uterine muscle
4. DInduce or strengthen contractions and prevent postpartum bleeding

ปัจจัยใดเพิ่มความเสี่ยงของภาวะเป็นพิษจากลิเทียม?

1. Aภาวะขาดน้ำ
2. Bดื่มน้ำเพิ่มขึ้น
3. Cรับประทานยาพร้อมอาหาร
4. Dอาหารเค็มจัด

How should the nurse straighten the ear canal to give ear drops to a 2-year-old child?

1. APush the pinna forward and up
2. BPull the pinna up and back
3. CLeave the ear untouched and drop into the canal
4. DPull the pinna down and back

When does oseltamivir give the most benefit in influenza?

1. AWhen started within 48 hours of the first symptoms
2. BOnly after symptoms have lasted at least one week
3. COnly after a bacterial pneumonia has developed
4. DAt any time, as the timing makes no difference

Why is vincristine labelled "for intravenous use only – fatal if given by other routes"?

1. AIntramuscular injection causes severe and prolonged hypoglycaemia
2. BOral vincristine causes immediate anaphylaxis
3. CAccidental intrathecal injection causes fatal ascending neurotoxicity
4. DSubcutaneous injection makes the drug inactive

A patient who has taken lorazepam daily for many months stops it suddenly. Which serious complication may follow?

1. AProfound respiratory depression
2. BWithdrawal seizures
3. CPinpoint pupils and coma
4. DSevere bradycardia