ANATOMY CHAPTER 1
Anatomy refers to the structure and function of the body
. False
Reproduction refers to: Select one:
Both the formation of new cells and the production of a new individual Correct
The life process by which an unspecialized stem cell becomes an a cell that will then mature into a red blood cell is called
Differentiation
Skeletal muscles play which of the following roles in the negative feedback system that controls responses to decreased body temperature
Effector
The release of insulin from pancreatic islet cells when blood glucose increases after a meal is an example of which of the following life processes
Responsiveness
Stress has an adverse effect on homeostasis, because it creates an imbalance in the internal environment
True
The chemical level of structural organization includes all chemicals needed to maintain life
True
The control center determines the level at which the controlled condition needs to be maintained
True
Which of the following would NOT trigger a feedback system?
a body temperature of 98.6 degrees
The spleen and liver are located in the
abdominal cavity
The sternum is __________ to the heart
anterior
A gluteal injection refers to an injection into the
buttock
Failure of the body to maintain homeostasis will
cause illness and possibly death
A group of __________ makes up tissues.
cells
The basic structural and functional units of an organism are
cells
The anatomical term used to describe the region of the neck is
cervical
The abdominal and thoracic cavities are separated from each other by the:
diaphragm
The process by which unspecialized cells become specialized cells is called
differentiation
The best anatomical term to describe the back region of the body would be
dorsal
The organ system that regulates the body's activities using chemical regulators called hormones is the
endocrine system
Reproduction refers to the formation of new cells for growth only
false
The heart is located in the mediastinum
false
The heart is superior to the nose
false
The sagittal plane divides the body into equal superior and inferior portions
false
The spinal cord and the brain are located in the cranial cavity
false
The pericardial cavity contains the
heart
The condition in which the body's internal environment stays within physiological limits is known as
homeostasis
The maintenance of relatively stable conditions of an organism is
homeostasis
The organ system that consists of skin, along with associated structures like hair and sweat glands, is the
integumentary system
In the anatomical position the subject
is standing upright facing the observer with the palms forward
In the anatomical position, the ring finger is __________to the little finger
lateral
The organ system that transports fats from the gastrointestinal tract to the cardiovascular system is the
lymphatic system
The __________ is the region between the lungs from the breastbone to the vertebra
mediastinum
The sum of all chemical processes in our body is known as
metabolism
A(n) __________ plane divides the body into equal right and left halves.
midsaggital
Atoms combine to form
molecules
All of the following are examples of organs EXCEPT
muscle
Which of the following is a symptom of disease rather than a sign?
nausea
The regulation of blood pressure is an example of:
negative feedback system
Homeostasis is regulated by these two systems:
nervous and endocrine
The level of organization when different tissues join together is called the
organ level
The plane that divides the body into unequal left and right portions is the
parasaggital plane
The body cavity containing the urinary bladder and portions of the large intestine is the
pelvic cavity
The science dealing with the functions of the body parts is called
physiology
A baroreceptor senses changes in
pressure
All of the following belong to feedback systems which control homeostasis EXCEPT
receiver
The structure which sends inputs to the control center is the
receptor
All of the following are functions of the cardiovascular system EXCEPT
red blood cell production
In a negative feedback system, the response of the effector
reverses the original stimulus
All of the following are controlled by homeostatic mechanisms, EXCEPT
skeletal muscle movement.
The anatomical term which best describes a structure toward the head is
superior
The directional term which best describes a structure toward the head is:
superior
Group of related organs that have a common function is called a(n)
system
The anatomical term for shinbone is
tibia.
All of the following are found inferior to the diaphragm EXCEPT the
trachea
The plane that divides the body into a superior and inferior portion is the
transverse plane
Childbirth is a good example of a positive feedback mechanism
true
The carpals (bones of the wrist) are proximal to the metacarpals (bones of the hand)
true
The integumentary system protects all body systems
true
To describe the relationship of different body structures to each other, anatomists use directional terms
true
The anatomical term for navel is
umbilical
Collectively the organs inside the thoracic and abdominopelvic cavities are called:
viscera