KROK 1 2007 – Question 44 · KROK (Medicine) · Pharmacology
A 63 y.o. man with collapse symptoms was delivered to the emergency hospital. A doctor chose noradrenaline in order to prevent hypotension. What is the action mechanism of this medication?
- A. Activation of α1-adrenoreceptors
- B. Activation of dopamine receptors
- C. Activation of β-adrenoreceptors
- D. Block of M-cholinoreceptors
- E. Activation of serotonin receptors
Hint
Think about which adrenoceptor on vascular smooth muscle mediates vasoconstriction, so that stimulating it increases peripheral resistance and restores blood pressure in collapse.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Pharmacology
- A 35 y.o. patient who often consumes alcohol was treated with diuretics. There appeared serious muscle and heart weakness, vomiting, diarrhea, AP…
- A patient was diagnosed with active focal pulmonary tuberculosis. What drug should be prescribed in the first place?
- Examination of a patient revealed extremely myotic pupils, sleepiness, infrequent Chain-Stoke’s respiration, urinary retention, slowing-down of…
- A doctor administered a patient with allergic dermatitis a H1-histamine blocker as a part of complex treatment. Name this medication:
- A patient with II stage hypertension has been taking one of hypotensive medications for the purpose of treatment. After a time arterial pressure…
- For the preparation of a patient’s burn skin surface a certain medication was used. Its antiseptic action is provided by free oxygen that segregates…