BIOS251 Week 2 Pre-Lab Assignment Latest 2019 November
BIOS251 Anatomy & Physiology I with Lab
Week 2 Pre-Lab Assignment
Question 1 When observing a slide under the microscope, one should always use the ____________ lens objective first.
Low dry (10x)
High dry (40x)
Scanning (4x)
Oil emersion (100x)
Rheostat
Question 2 How will happen to your body cells if you consume excess amounts of salt water?
Your body cells will swell
Your body cells will shrink
Your body cells will uptake more salt
Your body cells will proliferate
Nothing will happen to your body cells
Question 3 Which structure of the microscope should never be used when observing a specimen under the high dry (40x) lens objective?
Condenser
Mechanical stage adjuster
Fine adjustment knob
Iris
Course adjustment knob
Question 4 Which mitotic phase is characterized by the separation of the sister chromatids?
Prophase
Telophase
Metaphase
Anaphase
Prometaphase
Question 5 Which of the following molecules will easily diffuse across the plasma membrane? (Note: more than one answer may be correct.)
Oxygen
Small, nonpolar molecules
Steroid hormones
Protein hormones
Glucose
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