Phiếu bài tập Dược lý học có đáp án

Why is carbidopa combined with levodopa?

1. AIt converts levodopa into dopamine inside the gut
2. BIt blocks dopamine receptors to reduce nausea in the brain
3. CIt stops levodopa turning into dopamine outside the brain
4. DIt increases the breakdown of dopamine in the liver

What is the purpose of the Z-track technique for intramuscular injections?

1. ATo avoid the need to clean the skin
2. BTo stop the drug leaking back into the subcutaneous tissue
3. CTo make the injection faster
4. DTo allow a larger volume to be given than with a standard injection

How long does it usually take for an SSRI to improve mood noticeably?

1. AAbout six months
2. BOne or two days
3. CSeveral weeks
4. DA few hours

Which blood test is commonly used to monitor a continuous infusion of unfractionated heparin?

1. AHaemoglobin A1c
2. BActivated partial thromboplastin time (aPTT)
3. CSerum potassium
4. DINR (international normalised ratio, prothrombin time)

How should oral potassium chloride tablets be taken?

1. AWith food and plenty of water, swallowed whole if slow-release
2. BCrushed and dissolved under the tongue
3. CLying down straight after the dose
4. DOn an empty stomach with only a small sip of water, then lie down

How is adenosine given for supraventricular tachycardia?

1. AAs a rapid IV push followed by a fast saline flush
2. BAs an intramuscular injection into the outer thigh muscle
3. CAs a slow infusion over one hour
4. DAs a tablet under the tongue

Why do infants absorb more of a topical corticosteroid than adults?

1. ATheir liver changes the cream into a much stronger form
2. BTheir skin contains no blood vessels
3. CInfants do not absorb topical drugs at all
4. DThey have more skin area per kilogram and thinner skin

A patient took a doxycycline tablet with a sip of water just before lying down. Now swallowing is very painful. What is the most likely cause?

1. APill-induced oesophagitis
2. BGastric ulcer caused by doxycycline
3. COral candidiasis from the antibiotic
4. DAn allergic reaction to the tablet coating