B1 1.1 Flashcards
What is the parts of a light microscope?
-Course
-Course focus
-fine focus
-objective lens
-stage
What is the eyepiece?
To be able to see through the spicement
What is the course focus?
is the knob which moves the microscope stage a larger distance per rotation
What is the fine focus?
the knob used to fine tune the focus on the specimen
What is the objective lens?
the one at the bottom near the sample
What is the stage?
a stage where the specimen (usually mounted onto a glass slide) is placed for observation
why should you use your fingers of your hands and not your thumb to detect a pulse?
because your thumb has its own pulse meaning that it would confuse the readings
why are three readings of the resting rate and the standing rate are taken?
Three readings are taken when resting becuase it is needed to check the average whilst you are resting. Which we check when standing the heart rate changes so it is needed to check carefully (readings are slightly different)
Why do you think there is variation in the resting heart rates of the members of your class?
Size, age, gender, and fitness
Why should you use the fingers and not your thumb for a pulse?
Because the thumb has its own pulse meaning it would confuse the readings
Why are three readings of the resting rate and the standing rate taken?
Three readings are taken when resting becuase it is needed to check the average whilst you are resting. Which we check when standing the heart rate changes so it is needed to check carefully (readings are slightly different)
