A&P Chapter 1

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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


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