Which of the following is NOT a step in preparing a wet-mount slide?
A) Using tweezers or your fingers, touch the water stain with the edge of the coverslip.
B) Place the specimen on the slide and add a small drop of water to it.
C) Do not use a coverslip with a wet-mount preparation.
D) Use the coarse adjustment knob to move the objective lens as close to the specimen as possible without touching the slide.
C
Explanation:
A) Using this technique will help you to avoid water bubbles under your coverslip.
B) Adding water to a slide makes that specimen a "wet" specimen.
D) Once you see your specimen, bring it into focus by slowly turning the coarse adjustment knob and then use the fine adjustment knob to bring the image into a sharper focus.
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Which of the following is a contribution of the digestive system to the muscular system?
a) Small intestine absorbs dietary calcium and phosphorous salts. b) The liver can convert lactic acid to glucose. c) Small intestine absorbs vitamin D. d) Excess dietary calories are stored as triglycerides in adipose cells. e) The liver synthesizes most plasma proteins.
All of the following are true concerning enzymes except that they
A) are proteins.
B) function as biological catalysts.
C) lower the activation energy required for a reaction.
D) affect only the rate of a chemical reaction.
E) are consumed during the reaction.
Parasympathetic preganglionic axons from the sacral region of the spinal cord course through ____ nerves that innervate the ____
A. splanchnic; urinary bladder and adrenal glands B. pelvic; lower colon and reproductive glands C. sacral; lower colon and urinary bladder D. lumbar; stomach and intestines E. coccygeal; anus and vagina
Most venous blood from the cranium drains into dural venous sinuses, which drain into the internal jugular veins.
Answer the following statement true (T) or false (F)