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

14. The Autonomic Nervous System

Introduction to the Autonomic Nervous System

Anatomy & Physiology

14. The Autonomic Nervous System

Introduction to the Autonomic Nervous System

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Multiple Choice

Which of the following signs and symptoms most likely indicate a patient is experiencing symptomatic bradycardia?

Polyuria and polydipsia

Dizziness and hypotension

Fever and tachypnea

Hypertension and flushed skin

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Verified step by step guidance

Step 1: Understand the term 'symptomatic bradycardia.' Bradycardia refers to a slower-than-normal heart rate, typically less than 60 beats per minute. Symptomatic bradycardia occurs when this slow heart rate leads to symptoms due to insufficient blood flow to the body.

Step 2: Analyze the symptoms provided in the options. Symptoms of symptomatic bradycardia are typically related to reduced cardiac output, which can cause dizziness, hypotension (low blood pressure), fatigue, or fainting.

Step 3: Rule out unrelated symptoms. For example, polyuria (excessive urination) and polydipsia (excessive thirst) are more commonly associated with diabetes or kidney issues, not bradycardia. Fever and tachypnea (rapid breathing) are signs of infection or respiratory distress, not bradycardia. Hypertension and flushed skin are associated with high blood pressure, which is the opposite of hypotension.

Step 4: Focus on the symptoms that align with bradycardia. Dizziness and hypotension are directly linked to the reduced cardiac output caused by a slow heart rate, making them the most likely indicators of symptomatic bradycardia.

Step 5: Conclude that dizziness and hypotension are the correct signs and symptoms of symptomatic bradycardia, as they are consistent with the physiological effects of a slow heart rate on the body.