HI1005
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37 questions
| 🇬🇧 | 🇬🇧 |
| The main components of blood are | Platelets, red blood cells, plasma, white blood cells |
| Blood travelling from the lungs is XXXXXXXXXX and blood travelling towards the lungs is XXXXXXXXXXXX | Oxygenated, Deoxygenated |
| Blood moving through the atria into the ventricles flows through which two valves? | Tricuspid (right atrioventricular) valve and mitral (bicuspid) valve. |
| The correct sequence for an impulse to travel through the hearts conduction system is... | SA node, AV node, bundle of His, bundle branches, purkinie fibres. |
| Cardiac output is determined from what factors? | Stroke volume and heart rate |
| Which lung has only 2 lobes? | Left lung. |
| When the diaphragm contracts and the rib cage moves upwards and outwards we are... | Breathing in & breathing out. |
| What is the role of surfactant? | Reduce surface tension in the alveoli |
| Long distance communication between cells is accomplished by nerves and/or hormones, TRUE or FALSE? | TRUE. |
| Hormones are chemically identified as... | Steroid or amino acid based |
| Hormones are secreted by exocrine glands into ducts leading to the body cavities, TRUE or FALSE? | FALSE. |
| A hormone is a chemical that... | Is produced by living cells, regulates the metabolism and is distributed by the blood. |
| The sympathetic nervous system mediates what? | The fight or flight response. |
| The spinal cord is continuous with which region of the brain? | Medulla Oblongata. |
| During resting membrane potential there are more XXXXXXXXXXX outside the cell membrane and more XXXXXXXXXXXXXX inside the cell membrane. | Sodium ions, potassium ions. |
| A motor neurone is a neurone that conveys messages... | That originate from the spinal cord or brain to the muscles. |
| What are the main divisions of the nervous system? | Peripheral nervous system and central nervous system. |