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Epidemiology is the study of the _____ of diseases in human populations ✔Correct Answer--
occurence, distribution, transmission
Homeostasis can best be described as: ✔Correct Answer--a state of relative constancy
Which of the following is not one of the basic components in a feedback loop control? ✔Correct
Answer--Transmitter
The bodies thermostat is located in the: ✔Correct Answer--Hypothalamus
Positive feedback control systems: ✔Correct Answer--accelerate a change
The contraction of the uterus during the birth of a baby is an example of _____ feedback ✔Correct
Answer--positive
Which of the following is a protein substance with no DNA or RNA and its thought to be the cause of
mad cow disease? ✔Correct Answer--Prion
If the secretion of oxytocin during childbirth operated as a negative feedback control loop, what
effect would it have on uterine contractions? ✔Correct Answer--Oxytocin would inhibit uterine
contractions
The term that literally means self immunity is: ✔Correct Answer--autoimmunity
The normal reading of range of normal is called the: ✔Correct Answer--Set point
Of the 11 major body systems, which is the least involved in maintaining homeostasis? ✔Correct
Answer--reproductive
Pathogenesis can be defined as: ✔Correct Answer--the course of disease development
Intrinsic control: ✔Correct Answer--Is sometimes called autoregulation
Of the pathogenic organisms, which of the following are the most complex? ✔Correct Answer--
Tapeworms
Which lipid is part of vitamin D? ✔Correct Answer--Steroids
The element that is present in all proteins but not in carbohydrates is: ✔Correct Answer--Nitrogen
Which energy-releasing or energy-transferring molecule does not contain a nucleotide? ✔Correct
Answer--creatine phosphate
, The amino group in an amino acid is ✔Correct Answer--NH3+
The roles played by proteins can be divided into which categories? ✔Correct Answer--Structural
and functional
Amino acids frequently become joined by: ✔Correct Answer--Peptide bonds
The alpha helix is an example of which level of protein structure? ✔Correct Answer--Secondary
The types of lipids found that form hormones, such as cortisone, estrogen, and testosterone are:
✔Correct Answer--Steroids
The term glycoprotein, a combination of two words, tells you that the compound is made of _____,
with _____ being the dominant component. ✔Correct Answer--carbohydrate and protein; protein
Which of the following is not true of carbohydrates? ✔Correct Answer--All of the above are true of
carbohydrates.
-they include substances commonly called sugars
-they are the body's primary source of energy
-there are a part of both DNA and RNA
Which of the following is not true of RNA? ✔Correct Answer--all of the above are true of RNA
-it contains ribose sugar
-it contains adenine
-it is composed of smaller molecules called nucleotides
The basic building blocks of fats are: ✔Correct Answer--Fatty acids and glycerol
The formation of sucrose involves the removal of a molecule of water. This is called: ✔Correct
Answer--dehydration synthesis
If one side of a DNA molecule is CTAGGCTG, the other side would be: ✔Correct Answer--GATCCGAC
Sometimes referred to as an animal starch, _____ is the main polysaccharide in the body.
✔Correct Answer--Glycogen
Hematopoietic tissue can be found in the: ✔Correct Answer--Bones
Which cells electrically insulate axons to increase the speed of conduction? ✔Correct Answer--
Both A and B
-oligodendrocytes
-Schwann cells
Which of the following is not a characteristic of muscle tissue? ✔Correct Answer--Cells are
seperated by a large quantity of extracellular matrix
Areolar tissue usually contains which types of cells in the greatest number? ✔Correct Answer--
Fibroblasts
Which tissue is most likely to form a keloid scar as it heals? ✔Correct Answer--connective