HLTAAP002 Body Systems 1 (Beta) Quiz - Certifications Diploma of Nursing (HLT54121)
Free practice quiz: HLTAAP002 Body Systems 1 (Beta) (Certifications Diploma of Nursing (HLT54121)). 18 multiple-choice questions with answers and explanations. Play online, no sign-up needed.
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Which order shows the levels of structural organisation of the body, from simplest to most complex?
- Cellular, chemical, organ, tissue, system
- Chemical, cellular, tissue, organ, system, whole body
- Tissue, cellular, organ, chemical, system
- Organ, tissue, cellular, chemical, system
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Answer: B. Chemical, cellular, tissue, organ, system, whole body
Chemical -> cellular -> tissue -> organ -> system -> human being.
The 'internal environment' of the body refers to:
- The interstitial (tissue) fluid that bathes body cells
- The inside of the gastrointestinal tract
- The thoracic cavity only
- The air in the lungs
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Answer: A. The interstitial (tissue) fluid that bathes body cells
The internal environment is the water-based medium (interstitial fluid) in which body cells exist.
How many cusps does the mitral valve have?
- Three
- Four
- One
- Two
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Answer: D. Two
The mitral valve has two cusps.
Where do the coronary arteries arise?
- From the aorta, just beyond the aortic valve
- From the pulmonary artery
- From the left atrium
- From the superior vena cava
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Answer: A. From the aorta, just beyond the aortic valve
Coronary arteries branch from the aorta immediately distal to the aortic valve.
Where is the respiratory centre?
- Medulla oblongata
- Cerebellum
- Hypothalamus
- Diaphragm
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Answer: A. Medulla oblongata
The respiratory centre is in the medulla oblongata.