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Chapter 1 and 2 Quiz

Anatomy and Physiology

QuestionAnswer
If I cut someone on a transverse plane, what portions do I end up with? Superior and inferior
A body has been sectioned in such a way that there is one whole lung per section and the urinary bladder has been split in half. What type of section is this? Sagittal
Which of the following lists best illustrates the idea of increasing levels of complexity? Organelles, cells, tissues, organs, organ systems
Which part of the homeostatic mechanism is responsible for decision making that maintains the "set point"? Control Center
The head is superior to the heart. True
Which layer of a serous membrane lines the wall cavity? Parietal
The esophagus is in which body cavity(be specific) Mediastinum
Which of the following best defines Physiology? Examining functions of body parts
Homeostasis is the maintenance of a stable internal environment? True
In negative feedback mechanisms, changes away from the normal state Stimulate changes in the opposite direction
Which part of the homeostatic mechanism is responsible for detecting and providing information about stimuli? Receptor
Positive feedback mechanisms Move conditions away from the normal state
Which part of the homeostatic mechanism is the muscle or gland that responds to the control center and causes the necessary internal change? Effector
If I cut someone on a coronal plane, what portions do I end up with? Anterior and Posterior
Which of the following illustrates a positive feedback mechanism? Uterine contractions during childbirth
CHAPTER 2
DNA and RNA differ in that DNA holds genetic information and RNA uses that information to synthesize protein
Ionic bonds are formed when electrons are transferred from one atom to another. True
If a solution has a high concentration of OH` ions, what type of solution is it? Base
Which of the following groups of elements accounts for more than 95% of the human body weight? Carbon, hydrogen, oxygen, nitrogen
What are proteins? Chains of amino acids
What is the internal pH range? 7.35-7.45
Which of the following is not organic? Sodium Chloride
The attraction between a cation and an anion which forms a very strong bond between the ions is called covalent bonds? False
RNA is doubled stranded? False
Which of the following does not carry a charge? Neutron
If a solution has high concentration of H+ ions, what type of solution is it? Acid
The atomic number of an atom equals the number of ____, and the atomic weight equals? Protons; number of protons plus neutrons
Which of the following carries a positive charge? Proton
Which of the following best describes the reaction H2CO3-H20+CO2? Decomposition reaction
What is the structure of DNA? Double Stranded helix
Created by: MEFLEMMING
 

 



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