1. What is the only limitation of the TEM that doesn't also apply to the SEM?
- Image may contain artefacts
- The specimen needing to be thin
- Living specimens can't be observed
- Complex staining process required
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Other questions in this quiz
2. What are the tracheal walls made of?
- Muscle lined with ciliated epithelium and goblet cells
- Muscle lined with epithelial cels
- Collagen and elastic fibres
- A series of highly branched tubules
3. Why are the lungs located inside the body?
- Air isn't dense enough and they'd lose too much water outside the body
- Air isn't dense enough and they'd flood with water outside the body
- Air is too dense and they'd flood with water outside the body
- Air is too dense and they'd lose too much water outside the body
4. Name the layer of non-conductive tissue that prevents the wave of electrical activity crossing to the ventricles?
- Atrioventricular septum
- Bundle of His
- Sinoatrial node
- Atrioventricular node
5. When the diaphragm contracts and flattens in inhalation, what does this lead to?
- A decrease in the volume of the thorax
- An increase in the pressure in the thorax
- An increase in the volume of the thorax
- An increased heart rate