BIOLOGY, MEDICINE AND SURGERY

Which of the following is an example of drug abuse? A. Borrowing a friend's prescription B. Not complying with prescription instructions C. Taking a drug for purposes that it was not intended For D. Excessive drug use that is inconsistent with accepted medical practices - d. Excessive drug use that is inconsistent with accepted medical practices What is the most common method of drug administration? A. Oral ingestion B. Inhalation C. Intravenous injection D. Intramuscular injection...

Muscle strength - definition: the force within muscles, measured by the absolute maximum weight that a person can lift, push, or press in one effort Principles of exercise - - overload principle: requires a greater stress or demand on the body than it is usually accustomed to handling ~~ progressive overloading - specific to each body part and to each component of fitness ~~ increases physical challenges - without risk of injury - based on 4 dimensions (fitt): ~~ frequency (dose-response ...

Determination of what DNA is made of - Hershey and Chase marked Virus's with two different radioactive molecules (32p labels DNA, 35s labels protein) 32p was found only inside of infected cells 35s was found in ghost shells Nucleic Acid - polymer of nucleotide monomer Nucleotide - phosphate group+ sugar+ base synthesized from nucleoside triphosphates (NTPs) Nucleoside - sugar + base Ribose - found in RNA contains additional O on 2' end Deoxyribose - found in DNA no O on 2' en...

Transport nutrients and waste - function of blood: Erythrocyte - red blood cell: Neither a nor b - type o+ blood has which antigens on its red blood cell surface: Right ventricle - in the normal sequence of blood flow, after crossing the tricuspid valve, blood should next enter the _______ next. 120 days - average life span of a red blood cell: Calcium - ion most critical to blood clotting regardless of pathway Visceral pericardium - deepest pericardial layer: Aorta - not a blood vessel ...

What do biologists mean when they say unity in diversity? - all organisms are different but they are made from the same basic unit of life How old is the earth? - 4.5 billion years old How long ago has life been present on earth? - 3.8 billion years ago first fossils how is life thought to have originated on earth (three events) - 1. RNA developed 2. RNA can serve as an enzyme and create other molecules 3. phospholipid bilayer creates a membrane to pull everything into one place (aka creat...

Cohesion, surface tension, and adhesion are the properties of water molecules that a) increase when temperature increases b) results of ionic bonding c) results of hydrogen bonding d) results of polar covalent bonding - C : hydrogen bonding Starch, cellulose, and glycogen are long chains of a)amino acids b) glucose c) fatty acids d) nucleotides - B : glucose A nucleotide is made of a) a sugar and a purine or pyrimidine b) a nitrogenous base and a sugar c) a nitrogenous base and a ph...