anatomy tests
which of these regions is not associated with the anterior portion of the head
occipital
The net effect of the effector is to shut off the original ________, or reduce its intensity, during the negative feedback mechanism to restore homeostasis.
stimulus
*short answer* explain the relationship between anatomy and physiology
structure (anatomy) determines the function (physiology)
which of the following statements is not part of the cell theory
the human body is composed of 50 to 100 trillion cells
femoral
thigh
identify the cavity that houses the heart and lungs (and other organs)
thoracic
to perform heart surgery an incision is made into the __ cavity
thoracic
the building blocks of a triglyceride are
three fatty acid chains and one glycerol molecule
Anterior
toward or at the front of the body
medial
toward the midline
true or false neutralization reactions occur between an acid and base
true
true or false radioactivity is the process of spontaneous atomic decay and can used to tag and trace biological molecules through the body
true
true/ false : responsiveness, maintaining boundaries, movement, and excretion are all necessary life functions
true
true/ false: survival needs include nutrients, oxygen, water, and appropriate temperature and atmospheric pressure
true
true/false the four most common elements in the human body are oxygen, carbon, nitrogen, and hydrogen
true
what accounts for 60 to 80 percent of the body's weight
water
which of the following is classified as a inorganic compound
water
which of the following is not considered a nutrient
water
Susie works as an administrative assistant and has developed carpal tunnel syndrome. What part of her body is affected?
wrist
packages substances for release from cell
Golgi apparatus
the study of the structure and shape of the body and its parts and their relationships to one another is called
anatomy
*short answer* explain the relationship between anatomy and physiology
anatomy is the study of the structure of an organism. observation is used to see sizes and relationships of parts. physiology is the study of an organism ad its parts . the structure (anatomy) determines what functions (physiology) can occur.
Jerome plays football and recently broke a bone in the tarsal region. This region is in the ________.
ankle
which directional term best describes the location of the human nose
anterior
matter is described as
anything that occupies space and has mass
brachial
arm
axillary
armpit
elements are composed of building blocks known as
atoms
When correctly situated in anatomical position, where are your feet in relation to your knees?
distal
which of the following activities represents a physiological study
drawing blood from recently fed laboratory animals at timed intervals to determine blood sugar levels
When our body temperature rises above 37 C or 98 F, a negative feedback mechanism will be triggered to lower the body temp. As a result, our sweat glands release sweat to cool the body temp. What part of the negative feedback mechanism is the sweat gland?
effector
ions are atoms that have lost or gained
electrons
superficial
external
orbital
eye
True/False: proximal means farther from the origin of a body part
false
true/ false: tissues are made up of different types of organs
false
distal
farther from the origin of a body part or the point of attachment of a limb to the body trunk
Looking into a microscope, you notice cells swimming, propelled by a long tail. What cell structure must these cells have in order to be mobile:
flagella
When we imagine a person exhibiting anatomical position, the palms of the hands are assumed to be facing
forward
which carbohydrate is also known as blood sugar
glucose
the process that increases the size of the body or its number of cells is
growth
which property of water explains its ability to prevent sudden changes in body temperature
high heat capacity
the body's ability to maintain stable internal conditions is referred to as
homeostasis
an acid is a molecule that releases (donates )
hydrogen ions
the diaphragm is located __ to the heart
inferior
deep
internal
which of the following is not a subatomic particle associated with an atom
ion
*short answer* why is anatomical position used?
it allows people to communicate information about the body accurately; used to avoid confusion
edna tore a ligament in the patellar region and anticipates having difficulty with her
knee
phospholipids form the 2 layers that make up cell membranes
lipids
triglycerides and steroids like cholesterol are examples
lipids
the surgeon created an opening in the chest during surgery. the incision was made along a plane that equally separated the right and left halves of the thoracic cavity. this section is known as a (n)
median (midsagittal ) region
__ refers to all of the chemical reactions in the body
metabolism
__ refers to all the chemical reactions in the body
metabolism
increases surface area of plasma membrane for absorption
microvilli
Site of ATP synthesis
mitochondria
cervical
neck
isotopes have different numbers __; thus they also have different _
neutrons; atomic masses
which element is not found in carbohydrates and lipids
nitrogen
dna, rna, and atp are types
nucleic acids
functions include genetic information and making proteins
nucleic acids
genetic control center of the cell
nucleus
what are the three basic parts or regions of a cell
nucleus, cytoplasm , and plasma membrane
internal framework composed of web-like protein structures
cytoskeleton
a nucleotide of dna contain three components: __, __, and __
deoxyribose; a phosphate group; nitrogen-containing base
identify the structure that separates the thoracic cavity from the rest of the abdominal cavity
diaphragm
which of the following elements of a control center detects a change
receptor
what are the three main components of a homeostatic control system
receptor, control center, effector
site of protein synthesis
ribosomes
Andy sustained a baseball hit to his cranial cavity. Which bones were fractured?
skull
synthesizes cholesterol and fat (lipids)
smooth er
cavity that houses the spinal chord
spinal
describe anatomical position. explain why anatomical position is used
step 1-stand erect step 2- feet parallel step 3- arms hanging at the side with the palms facing forward step 4-thumbs pointing away from the body it is used to avoid confusion
blood pH falls in a narrow range between
7.35 to 7.45
the vertebral region is __ to the sternal region
Dorsal (posterior)
which of the following solutions is a base
a solution with a pH of 8.6 (7-14)
Label E points to the _____ cavity
abdominal
identify the cavity that houses the stomach, liver, and other digestive organs
abdominal
superior
above
which statement best describes why atp is an important nucleic acid in the body
atp provides a form of chemical energy all body cells can use
a body part that is considered lateral is assumed to be
away from the midline of the body
posterior
behind
enzymes are
biological catalysts and usually proteins
building block is the monosaccharide or simple sugar
carbohydrate
the structural and functional unit of all living things
cell
which of the following is the smallest unit of all living things
cell
regulate cell division
centrioles
cellular extensions that move substances along the cell surface
cilia
a molecule of methane, CH4, is known specifically as a(n)
compound
which of the following levels of organization is inclusive of all others
organ system
the specialized cellular compartments within the cytosol of the cell are collectively called
organelles
Label F points to the ____ cavity
pelvic
glycogen and starch are examples of a specific category of carbohydrates called
polysaccharides
milk production during breastfeeding is increased by the suckling of a new born from his mother's nipple. this type of feedback mechanism best describes __
positive feedback
antibodies, some hormones, and hemoglobin are examples
proteins
building blocks are amino acids
proteins
monomer contains a central carbon, r group, carboxyl group, and amine group
proteins
the atomic number of an atom is equal to the number of __ an atom contains
protons