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.

This Certifications Diploma of Nursing (HLT54121) practice quiz has 18 multiple-choice questions on HLTAAP002 Body Systems 1 (Beta), and 18 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. Which order shows the levels of structural organisation of the body, from simplest to most complex?

   1. Cellular, chemical, organ, tissue, system
   2. Chemical, cellular, tissue, organ, system, whole body
   3. Tissue, cellular, organ, chemical, system
   4. Organ, tissue, cellular, chemical, system
   Show answer

   Answer: B. Chemical, cellular, tissue, organ, system, whole body

   Chemical -> cellular -> tissue -> organ -> system -> human being.

2. The 'internal environment' of the body refers to:

   1. The interstitial (tissue) fluid that bathes body cells
   2. The inside of the gastrointestinal tract
   3. The thoracic cavity only
   4. The air in the lungs
   Show answer

   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.

3. How many cusps does the mitral valve have?

   1. Three
   2. Four
   3. One
   4. Two
   Show answer

   Answer: D. Two

   The mitral valve has two cusps.

4. Where do the coronary arteries arise?

   1. From the aorta, just beyond the aortic valve
   2. From the pulmonary artery
   3. From the left atrium
   4. From the superior vena cava
   Show answer

   Answer: A. From the aorta, just beyond the aortic valve

   Coronary arteries branch from the aorta immediately distal to the aortic valve.

5. Where is the respiratory centre?

   1. Medulla oblongata
   2. Cerebellum
   3. Hypothalamus
   4. Diaphragm
   Show answer

   Answer: A. Medulla oblongata

   The respiratory centre is in the medulla oblongata.

More questions in this quiz

Answers and explanations are in the full quiz.

1. Most homeostatic variables (e.g. body temperature, blood glucose) are controlled by:
2. Which is an example of POSITIVE feedback?
3. Where is the heart's natural pacemaker?
4. What is the correct path of the heart's electrical impulse?
5. The tricuspid valve lies between:
6. What do the pulmonary veins carry?
7. Cardiac output is calculated as:
8. What does surfactant do in the lungs?
9. During normal inspiration:
10. What's the main stimulus that makes the central chemoreceptors increase breathing?
11. What is the primary stimulus for red blood cell production (erythropoiesis)?
12. External respiration (gas exchange in the lungs) happens across:
13. When venous return to the heart increases, what normally happens?

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