Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

Previous problemNext problem

Struggling with Anatomy & Physiology?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

To prevent blood clots, the nurse administers which of the following to most surgical patients?

Insulin

Acetaminophen

Heparin

Antibiotics

Previous problemNext problem

Verified step by step guidance

Understand the context: Blood clots, or thrombosis, are a common risk after surgery due to immobility and changes in blood flow. Preventing clots is crucial to avoid complications like pulmonary embolism or stroke.

Review the options provided: Insulin is used for blood sugar regulation, acetaminophen is a pain reliever, antibiotics are used to prevent or treat infections, and heparin is an anticoagulant that prevents blood clot formation.

Focus on the mechanism of action: Heparin works by inhibiting clotting factors in the blood, specifically by enhancing the activity of antithrombin III, which blocks thrombin and Factor Xa, key components in the clotting cascade.

Consider the clinical application: Heparin is commonly administered to surgical patients to reduce the risk of deep vein thrombosis (DVT) and other clot-related complications during the postoperative period.

Conclude the reasoning: Based on the function and purpose of each option, heparin is the correct choice for preventing blood clots in most surgical patients.