Recall from the video the steps for properly focusing on a specimen using a compound microscope. Remember to always use both eyes when looking through binocular lenses! Place the steps for focusing a microscope in the correct order from left to right.
What will be an ideal response?
left to right:
- Click the scanning objective into position above the specimen.
- Use the coarse adjustment knob to move the stage all the way up.
- Use the fine adjustment knob until the specimen is in focus.
- Adjust the iris diaphragm and/or the light control knob to improve contrast.
- Use the mechanical stage controls to move a given structure to the center of your field of view.
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Tactile receptors located in the reticular dermis that are tonic and show little if any adaptation are called
A) Bulbous corpuscles. B) lamellar corpuscles. C) tactile (Meissner) corpuscles. D) tactile discs. E) root hair plexuses.
A 65-year-old patient came to the emergency room with complaints of severe heartburn unrelieved by taking a "large handful" of antacids. Would you expect the pH to be high or low? Explain why.
What will be an ideal response?
Which of the following is NOT a muscle for chewing food?
A. temporalis. B. pterygoid. C. masseter. D. buccinator.
A first-class lever has its fulcrum between the force and the resistance.
Answer the following statement true (T) or false (F)