Which of the following is a common piece of equipment used in dissecting preserved specimens?
A) microcentrifuge
B) microscope
C) water bath
D) scalpel
D
Explanation:
A) A microcentrifuge is used to separate blood or urine samples.
B) A microscope is used for viewing prepared tissues on slides.
C) A water bath is used to incubate laboratory samples at specific temperatures.
Exercise 2: Introduction to the Human Body
Exercise 2: Pre-Lab Questions
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Diabetes insipidus is caused by
A) excess insulin. B) insulin deficiency. C) excess ADH. D) ADH deficiency.
Following an injury to his arm, a patient complains that he has lost the ability to flex his elbow and supinate his forearm. Which nerve do you suspect he has damaged?
A. Musculocutaneous nerve B. Median nerve C. Axillary nerve D. Ulnar nerve E. Radial nerve
If one nerve stimulus arrives at a muscle fiber so soon that the fiber has only partially relaxed from the previous twitch, the most likely result will be ________.
A. flaccid paralysis B. complete tetanus C. fatigue D. incomplete tetanus E. spasm
Which of the following is not a major class of nutrients?
A) Minerals B) Water C) Vitamins D) Carbohydrates E) Nucleic acids