What is the recommended depth for inserting a needle for IP injection in mice?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $24.99Unlock all

Prepare for your AALAS Test with interactive quizzes. Utilize flashcards and a variety of questions with hints and explanations. Excel in your exam!

Multiple Choice

What is the recommended depth for inserting a needle for IP injection in mice?

Explanation:
In intraperitoneal injection in mice, the needle should reach the peritoneal cavity without going too deep. For a typical adult mouse, inserting about 5 millimeters (0.5 cm) lets the tip enter the peritoneal space reliably while minimizing the risk of injuring internal organs like the liver, intestines, or spleen. If you go deeper, around 1 cm or more, the chance of organ injury increases. If you insert too shallowly, around 0.2 cm, the needle may stay in the abdominal wall or muscle and not deliver the substance into the peritoneal cavity. So, approximately 0.5 cm is the best balance between accessing the cavity and avoiding harm.

In intraperitoneal injection in mice, the needle should reach the peritoneal cavity without going too deep. For a typical adult mouse, inserting about 5 millimeters (0.5 cm) lets the tip enter the peritoneal space reliably while minimizing the risk of injuring internal organs like the liver, intestines, or spleen. If you go deeper, around 1 cm or more, the chance of organ injury increases. If you insert too shallowly, around 0.2 cm, the needle may stay in the abdominal wall or muscle and not deliver the substance into the peritoneal cavity. So, approximately 0.5 cm is the best balance between accessing the cavity and avoiding harm.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy