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Pharmaceutics: Parenteral Formulations

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Questions and Answers

What is the primary purpose of small volume injections in parenteral administration?

To achieve a very rapid effect (correct)
To administer infusion fluids
To replace body fluids lost from the circulation
To improve circulation to the extremities

What type of injections are frequently used to replace body fluids lost from the circulation?

Large-volume injections (correct)
Intracardiac injections
Intra-arterial injections
Intrathecal injections

What is the primary purpose of intra-arterial injections?

To improve circulation to the extremities (correct)
To replace body fluids lost from the circulation
To achieve a rapid effect
To administer infusion fluids

What medication is sometimes administered by the intra-arterial route?

Tolazoline hydrochloride (A) Signup and view all the answers

What is the main reason why intracardiac injections are rarely used in modern practice?

They increase the risk of coronary artery laceration, cardiac tamponade, and pneumothorax (C) Signup and view all the answers

What is the site of intrathecal injections?

The subarachnoid space that surrounds the spinal cord (C) Signup and view all the answers

What is the primary purpose of intracardiac injections?

To achieve a rapid effect in an emergency situation (B) Signup and view all the answers

What medication may be used for intracardiac injections in an emergency situation?

Adrenaline or isoprenaline sulphate (A) Signup and view all the answers

What is a common indication for the use of intra-arterial injections?

Arterial spasm or early gangrene (A) Signup and view all the answers

What is a potential complication of intracardiac injections?

All of the above (D) Signup and view all the answers