Methyldopa lowers BP by

Nurselytic

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Question 1 of 5

Methyldopa lowers BP by

A. Inhibiting dopa decarboxylase in adrenergic nerve endings B. Generating Î±-methyl noradrenaline in the brain, which reduces sympathetic tone C. Generating Î±-methyl noradrenaline, which acts as a false transmitter in peripheral adrenergic nerve endings D. Activating vascular dopamine receptors

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 2 of 5

The primary mechanism by which antidiuretic hormone reduces urine volume is

A. Decrease in glomerular filtration rate B. Decreased renal blood flow C. Decreased water permeability of descending limb of loop of Henle D. Increased water permeability of collecting duct cells

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

Phenylephrine instilled in the eye can produce

A. Mydriasis but no cycloplegia B. Mydriasis and cycloplegia C. Miosis and cycloplegia D. Miosis without cycloplegia

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 5

The drug of choice for myoclonic epilepsy is

A. Carbamazepine B. Phenobarbitone C. Phenytoin sodium D. Valproic acid

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 5 of 5

Magnesium sulfate

A. Is used to control eclamptic seizures during pregnancy B. Is not given in patients in whom b2 adrenergic receptors are blocked C. Is used to arrest postpartum hemorrhage D. Can arrest labor even when cervix is 7 cm dilated

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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