Test 1 Flashcards
The tendency of the human body to maintain a relatively constant physiological balance in the face of constant change?
homeostasis
Moving from the brachial region is an example of moving in which of the following directions?
distal.
a crime scene investigator locates a body that seems to be a victim of foul play. There are severe abrasions in the patellar region. The abrasions are located?
on the anterior knee.
Select the two systems best known as communicating/regulating systems in the body.
Endocrine & nervous
A health professional who studies the effects of changes in function in the body cells due to disease if most specifically referred to as?
a cytopathophysioglist
In order for a negative feedback mechanism to be initiated, or begin, the thing that triggers the mechanism to begin to take effect is?
a change of some controlled condition (variable) outside of normal limits.
Which of the following statements is anatomically correct?
The sternal region is superior to the umbilicus.
A serous membrane lining the pleural cavity is a visceral pleural membrane. True or False?
False.
The two major classes of effectors in the body are?
glands and muscles.
Which does not belong?
nasal cavity, oral cavity, vaginal cavity, cranial cavity
cranial cavity
Which does not belong?
transverse, distal, frontal, sagittal
distal
Which does not belong?
anabolic, endergonic, hydrolysis, dehydration synthesis
hydrolysis
which does not belong?
thyroid gland, pituitary gland, spleen, adrenal gland
spleen
C6H12O6 represents that formula for glucose. C6h12o6 also represents the formula for fructose. This is explained by the fact that?
they are isomers of each other.
What happens when you add a teaspoon of NA+Cl- to a quart of water?
ionization.
What happens when a substance donates H+ to a solution?
it is an acid & it lowers the ph of the solution.
Which of the following are the four major biomolecules of the body?
carbohydrates, lipids, nucleic acids, and proteins.
What best describes a polar covalent bond?
The nucleus of one atom has more protons than the other atom and this attracts the electrons to spend more time at that end and it has a more negative influence than the other end, which has a slight positive charge.
C18H32O16+2H2O > C6H12O6+C6H12O6+C6H12O6
This reaction is? Whats is made out of?
Catabolic, hydrolysis, exergonic, polyssacride.
What is NOT true of an enzyme?
raises the energy of activation, is converted to another kind of molecule in the reaction.
What best described unassisted passive transport?
diffusion of oxygen through the phospholipid plasma membrane.
What is true of positive feedback mechanisms?
the effects of the stimulus are increased, blood clotting is a good example of positive feedback mechanisms.
That main use of carbohydrates in living cells?
energy use and energy storage.
The monomers of proteins are ______ and are joined by _____ bonds.
amino acids - peptide
A magician is about to cut his assistant through the mid-torso into superior and interior parts. This would be a ____ plane, or section.
Transverse.
In living organisms a related sequence of enzymatically regulated chemical reactions is?
a metabolic pathway
These cell junctions are recognized as the strongest cell-to-cell connections
demosomes
The fluid surrounding cells in a typical tissue is called _____ and it is _______ that ______.
ECF-water based fluid- exchanges substances with the cell
