Low doses of adrenaline dilate the following vascu

ATI RN

ATI RN Test Bank

Low doses of adrenaline dilate the following vascular bed

A. Cutaneous B. Mucosal C. Renal D. Skeletal muscle

Correct Answer: D

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

The drug which produces vasoconstriction despite being an α adrenergic blocker is

A. Phenoxybenzamine B. Ergotamine C. Dihydroergotoxine D. Tolazoline

Correct Answer: B

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

Propranolol does not block the following action of adrenaline

A. Bronchodilation B. Lipolysis C. Muscle tremor D. Mydriasis

Correct Answer: D

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

The site of action of d-tubocurarine is

A. Spinal internuncial neurone B. Motor nerve ending C. Muscle end-plate D. Sodium channels in the muscle fiber

Correct Answer: C

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

Muscarinic receptors are G-protein coupled receptors, causing

A. Inactivation of phospholipase C B. Activation of adenylyl cyclase C. Activation of potassium or inhibition of calcium channels D. All of the above

Correct Answer: C

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

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