The anatomical position is characterized by all of the following except
palms turned posteriorly
Homeostasis is the condition in which the body maintains
relatively stable internal environment within limits
Which of the following is the correct order of elements in a homeostatic control system
stimulus, receptor, afferent, control center, efferent, effector response
Choose the following statements that is not completely correct regarding serous membranes
visceral pericardium covers
Place the following in correct sequence from simplest to most complex
2-1-4-3-5
In which body cavities is the heart located
mediastinal, thoracic, and ventral
Which of the following are survivial needs of the body
nutrients, water, atmospheric pressure, and oxygen
What is a vertical section through the body, dividing it into anterior and posterior regions called
frontal
if the rate of anabolic reaction in the body is much faster than catabolic reactions…
growth
positive feedback differs from negative feedback because
positive feedback tends to enhance the triggering stimulus while negative feedback tends to return the body to homestasis
You are asked to take a persons heart rate at the popliteal pulse point. you will look for this pulse
on the posterior of the knee
you are asked to draw blood from the median cubital vein which is in the antecubital area. You will search for this vein in the
anterior side of the elbow
Which set of regions in the abdominopelvic cavity is medial
epigastric, umbilical and hypogastric regions
The basic structural material of the body consists of
proteins
A chemical reaction in which bonds are broken is usually associated with
the release of energy
Which of the following statements of false
larger particles move faster than smaller ones and thus collide more frequently and more forcefully
Select the correct statement about isotopes
Isotopes of the same element have the same atomic number but differ in their mass number
The four elements that make up about 96% of body weight are
carbon, oxygen, hydrogen and nitrogen
which of the following is the major positive ion outside cells
sodium
If atom X has an atomic number of 74 it would have which of the following
74 protons
Carbs and proteins are built up from their basic building blocks by the
removal of a water molecule between each two units (dehydration synthesis)
Which of the following is a neutralization reaction
HCl + NaOH — NaCl + H2O
What does CH4 mean
there is one carbon and four hydrogen atoms
What property of water is demonstrated when we sweat
high heat of vaporization
What is the ratio of fatty acids to glycerol in triglycerides (neutral fats)
3:1
what will happen to this enzyme as it follows the food into the stomach where the pH drops to 2.5
the enzyme will denature and become inactive
Which of the following is false regarding the membrane potential
the resting membrane potential is maintained solely by passive transport processes
Which if the following structures would aid a cell in allowing more nutrients to be absorbed by the cell
microvilli
mitosis ___
is the division of the genetic material within the nucleus
passive membranes transport processes include
movement of a substance down its concentration gradient
a cell engulfing a relatively large particle will likely utilize
phagocytosis
you would expect to see a relatively high amount of which organelle in these cells
mitochondria
which of the following is not found in the cartilage but is found in bone
blood vessels
which of the following epithelia forms the walls of the air sacs across which gas exchange occurs in the lungs
simple squamous
connective tissue extracellular matrix is composed of
fibers and ground substance
a substance secreted by your body will likely pass through which tissue type
epithelial tissue
glands such as the thyroid that secretes their products directly into the blood rather than through ducts are classified as
endocrine
Which tissue in the walls of the uterus is required for labor contractions
smooth muscle
which of the following is the correct order of steps in tissue repair
1 6 4 7 3 5 2