ch 1 test
a triglyceride consists of
3 fatty acids attached to one glycerol
Normal pH
7.35-7.45
The formula H2O refers to
A molecule that contains two hydrogen atoms and one oxygen atom
a patient's blood test shows that their blood pH is 7.29. they are most likely experiencing
acidosis
Chemistry is important to study of physiology because
all of the above
Which of the following is characteristic of carbohydrates
all of the above
Lipids
all of the answers are correct
Protiens
all of the answers are correct
metabolism is defined as
all the chemical reactions occurring in an organism that support life
A researcher has questions about the structure of the mesentery, a tissue connecting the intestines to the wall of the abdominal cavity. they begin researching its location, components, and its specific structures
anatomy
Matter is composed of elements which are composed of ______
atoms
in a covalent bond
atoms share a pair or more of electrons
Which of the following groups of elements accounts for more than 95% of the human body by weight
carbon hydrogen oxygen nitrogen
sodium ions and calcium ions are examples of
cations
In all organisms the basic unit of structure and function is
cell
Which of the following Characteristics of life and their descriptions is correct
circulation the movement of substance in body fluids
Which of the following best describes a the reaction H2CO3----> H20 + CO2
decomposition reaction
They Atom's of different elements have
different atomic numbers
when placed into water, the ionic compound NaCl will
dissociate into Na+ and Cl- ions
the upper mid portion of the abdomen is call the ____ region
epigastric
Which of the following best describes The reaction NaNO3 + HCl---> HNO3 + NaCl
exchange reaction
when K+ and Cl- meet, they will
form KCl with an ionic bond
the isotope most likely to be used to study the thyroid gland is
iodine- 131
A parietal layer of serous membrane _____, where as a visceral layer of a serous membrane _____.
lines cavities; covers organs
Maintaining a stable internal environment typically requires
negative feedback mechanisms
in an ionic bond
oppositely charged atoms attract
which of the following lists best illustrates the idea of increasing levels of complexity
organelles cells tissues organs organ system
Which of the following diseases would originate in the abdominal pelvic cavity
pancreatitis
Anatomy and Physiology are difficult to separate because
physiological functions depend on anatomical structures
an investigator who conducts an experiment to determine how temperature changes affect the rate at which the heart beats is most likely a
physiologist
The atomic number of an atom equals the number of ______, and the atomic weight equals the ______
protons; number of protons plus neutrons
Which of the following processes is most important to the continuation of the human species
reproduction
a person is alkalosis if the blood pH
rises above 7.5
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
Blood cells are produced in the organs of the ______ system
skeletal
glycogen is stored in the liver and ______
skeletal muscles
In negative feedback mechanisms changes away from the normal state
stimulate changes in the opposite direction.
which of these is not a monosaccharides
sucrose
the anatomical term that indicates a structure close to the surface is
superficial
They thoracic cavity lies ______ the abdominal pelvic cavity
superior to
Homeostasis is the
tendency of the body to maintain a stable internal environment
chemistry deals with
the composition and changes of substances that make up living as well as non-living matter.
When the body is place in the anatomical position which of the following is not true
the palms are facing backwards
pneumothorax Is a condition that occurs when space forms between the low and the wall of the pleural cavity this space would be between
the parietal pleura and visceral pleura
You accidentally cut your hand. blood platelets in the area begin to attach to the broken blood vessels in the wound what needs to happen next to create a positive feedback mechanism
the platelets change shape to encourage more to rush in and stick to each other to form plugs over the broken vessels
which of th following is not true of organelles
they are only in cells of humans
simple squamous epithelium is an example of a
tissue
Specialized cell types organized in a way that provides a specific function form
tissues. which build organs
Which of the following illustrates A positive feedback mechanism
uterine contractions during childbirth
Which of the following is the most abundant inorganic substance in the body
water
