A&P Chapter 1
Place the following in correct sequence from simplest to most complex: 1. molecules 2. atoms 3. tissues 4. cells 5. organs
2-1-4-3-5
Which of the following is the best explanation for why cells are considered the smallest units of living things.
Cells are the simplest structure to fit all of the characteristic necessary to be considered alive.
The dorsal body cavity is the side of which of the following?
brain
Brain.
cranial
The elbow is proximal to the shoulder.
false
Produces antibodies that attach to foreign substances
immune
The upper arm is ________ to the forearm.
proximal
Provides a ridged framework to support the body and stores minerals
skeletal
Select the most correct statement.
the immune system is closely associated with the lymphatic system
Heart.
thoracic
Stomach.
abdominopelvic
The stomach is ________ to the spine.
anterior
Which of the following describes a parasagittal plane?
any sagittal plane except in the midline
Arteries, veins, heart.
cardiovascular
Delivers oxygen and nutrients to the tissues.
cardiovascular
Esophagus, large intestine, rectum.
digestive
The fingers are ________ to the wrist.
distal
The body cavities that protect the nervous system are located in the ________ cavity.
dorsal
Adrenal glands, pancreas, pituitary.
endocrine
Controls the body with chemical molecules called hormones.
endocrine
Expiration (breathing out) is how the body removes excessive carbon dioxide from the blood. This is an example of ________.
excretion of metabolic waste
Embryology concerns the structural changes that occur in an individual from conception through old age.
false
The right hypochondriac region contains the majority of the stomach.
false
The study of large body structures, visible to the naked eye, such as the heart is called ________ anatomy.
gross
The thoracic cavity contains the ________. It is found ________ to the vertebral cavity.
heart and lungs; anterior
You are told to take an axillary temperature on a small child. You will place the thermometer ________.
in the armpit
Prevents water loss, entry of germs into the body and synthesizes vitamin D.
integumentary
Anatomical position is important because ________.
it allows a common point of reference for body position to help communicate anatomical relationships
Which of the following statements is the most correct regarding homeostatic imbalance?
it is considered the cause of most diseases
The lungs are ________ to the heart.
lateral
Prevention of water loss is a necessary function for life that would best fit in the category of ________.
maintaining boundaries
The bridge of the nose is ________ to the left eye.
media
Provides the force to move bones about their joints
muscular
Responds to environmental changes by transmitting electrical impulses.
nervous
Which one of the following systems responds fastest to environmental stimuli?
nervous
You are asked to take a person's heart rate at the popliteal pulse point. You will look for this pulse ________.
on the posterior side of the knee
A structure that is composed of two or more tissue types that work together to perform specific functions for the body is a(n) ________.
organ
Trachea, bronchi, alveoli.
respiratory
The study of anatomy and physiology assumes and describes a healthy body. Select the description below that does NOT explain why this approach is useful.
study of a healthy body is less intimidating and more familiar new students
One of the descriptions below is from the perspective of physiological study, the rest are from an anatomical perspective. Select the description below that comes from physiological perspective.
the contraction of smooth muscle in blood vessels (vasoconstriction) can reduce the flow of blood through the vessel.
The term pollex refers to the ________.
thumb
Histology would be best defined as a study of ________.
tissues
Generally what is the result of the negative feedback process?
to maintain homeostasis
A major function of serous membranes is to decrease friction.
true
It is important for any organism to maintain its boundaries, so that its internal environment remains distinct from the external environment surrounding it.
true
Lungs carry out an excretory function.
true
Positive feedback mechanisms tend to enhance the original stimulus so that the response is accelerated.
true
Without some sort of negative feedback mechanism, it would be impossible to keep our body chemistry in balance.
true
Kidneys, bladder, ureters.
urinary