Module 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

An acid with a pH of 6 has ________ hydrogen ions than pure water. A. 10-fold more B. 100-fold more C. 10-fold fewer D. 100-fold fewer

A. 10-fold more

Starch is the stored carbohydrate in plants, while ________ is the stored carbohydrate in animals. A. glycogen B. cellulose C. glucose D. triglyceride

A. glycogen

The thoracic cavity contains the ________. It is found ________ to the vertebral cavity. A. heart and lungs; anterior B. digestive viscera; inferior C. kidneys and spleen; deep D. stomach and liver; superficial

A. heart and lungs; anterior

In which body cavities are the lungs located? A. pleural, ventral, and thoracic B. mediastinal, thoracic, and ventral C. pleural, dorsal, and abdominal D. pericardial, ventral, and thoracic

A. pleural, ventral, and thoracic

The stomach is in what body cavity?

Abdominopelvic

An atom with an atomic number of 10 and a mass number of 24 would have ________. A. 14 electrons B. 14 neutrons C. 10 neutrons D. 24 protons

B. 14 neutrons

The dorsal body cavity is the site of which of the following? A. intestines B. brain C. lungs D. liver

B. brain

Tendons are strong, ropelike structures that connect skeletal muscle to bone. Which of the following proteins would provide strength to a tendon? A. actin B. collagen C. molecular chaperone D. albumin

B. collagen

Expiration (breathing out) is how the body removes excessive carbon dioxide from the blood. This is an example of ________. A. maintaining boundaries B. excretion of metabolic waste C. responsiveness D. metabolism

B. excretion of metabolic waste

Which property of water is demonstrated when we sweat? A. high heat capacity B. high heat of vaporization C. polar solvent properties D. reactivity E. cushioning

B. high heat of vaporization

You are told to take an axillary temperature on a small child. You will place the thermometer ________. A. under the tongue B. in the armpit C. in the rectum D. on the forehead

B. in the armpit

The parietal pleura would represent a serous membrane ________. A. covering individual lungs B. lining the thoracic cavity C. covering the heart D. lining the abdominal cavity

B. lining the thoracic cavity

With a family history of cardiovascular disease, which toast spread would be considered the most "heart healthy"? A. margarine containing trans fats B. olive oil C. butter containing butterfat D. lard (pig fat)

B. olive oil

Which of these is NOT part of the dorsal cavity? A. cranial cavity B. thoracic cavity C. spinal cord D. vertebral cavity

B. thoracic cavity

What is the ratio of fatty acids to glycerol in triglycerides (neutral fats)? A. 1:1 B. 2:1 C. 3:1 D. 4:1

C. 3:1

Which of the following does NOT characterize proteins? A. They may be denatured or coagulated by heat or acidity. B. They have both functional and structural roles in the body. C. They appear to be the molecular carriers of coded hereditary information. D. Their function depends on their threedimensional shape.

C. They appear to be the molecular carriers of coded hereditary information.

What is a cation? A. an atom that shares its valence electrons B. an atom that gains one or more electrons and acquires a net negative charge C. an atom that loses one or more electrons and acquires a net positive charge D. a molecule that has both positive and negative charges

C. an atom that loses one or more electrons and acquires a net positive charge

Anabolic reactions are chemical reactions of the body that build things, make them bigger or more complex. Catabolic reactions break things down making them smaller or less complex. If the rate of anabolic reaction in the body is much faster than the rate of catabolic reactions, which of the following necessary life function will be accomplished? A. movement B. responsiveness C. growth D. digestion

C. growth

The anatomical position is characterized by all of the following EXCEPT ________. A. body erect B. arms at sides C. palms turned posteriorly D. thumbs pointed laterally

C. palms turned posteriorly

It is wise to study anatomy alongside with physiology because ________. A. it makes for more efficient use of students' and teachers' time B. to understand anatomy requires complete understanding of physiology C. physiology is only explainable in terms of the underlying anatomy D. anatomy and physiology are practically the same thing

C. physiology is only explainable in terms of the underlying anatomy

What system are the arteries, veins and heart associated with?

Cardiovascular

What system delivers oxygen and nutrients to the tissues?

Cardiovascular

The brain is in what body cavity?

Cranial

Which of the following would be regarded as an organic molecule? A. H2O B. CO2 C. NaOH D. CH4

D. CH4

Which of the following is the best explanation for why cells are considered the smallest units of living things. A. Cells cannot be seen with the naked eye and are considered microscopic. B. Cells are highly ordered and complex. C. Cells have the ability to reproduce identical copies of themselves in a process called mitosis. D. Cells are the simplest structure to fit all of the characteristics necessary to be considered alive.

D. Cells are the simplest structure to fit all of the characteristics necessary to be considered alive.

Which of the following elements is necessary for proper conduction of nerve impulses? A. Fe B. I C. P D. Na

D. Na

Which of the following is an example of a suspension? A. cytosol B. salt water C. rubbing alcohol D. blood

D. blood

Some of the nerve endings in the skin are sensitive to changes in temperature. They are part of a negative feedback mechanism regulating body temperature. These nerve endings represent a(n) ________ in the negative feedback mechanism. A. homeostatic balance or "ideal" value B. effector C. control center D. receptor

D. receptor

What system are the esophagus, large intestine, and rectum associated with?

Digestive

What system are the adrenal glands, pancreas, and pituitary associated with?

Endocrine

What system controls the body with chemical molecules called hormones?

Endocrine

T/F. Isotopes differ from each other only in the number of electrons the atom contains.

False

T/F. The elbow is proximal to the shoulder.

False

What system produces antibodies that attach to foreign substances?

Immune

What system prevents water loss, entry of germs into the body and synthesizes vitamin D?

Integumentary

What system provides the force to move bones about their joints?

Muscular

What system responds to environmental changes by transmitting electrical impulses?

Nervous

What system are the trachea, bronchi and alveoli associated with?

Respiratory

What system provides a ridged framework to support the body and stores minerals?

Skeletal

The heart is in what body cavity?

Thoracic

T/F. A tissue consists of groups of similar cells that have a common function.

True

T/F. Glucose is an example of a monosaccharide.

True

T/F. Hydrogen bonds are too weak to bind atoms together to form molecules, but they do hold different parts of a single large molecule in a specific three dimensional shape.

True

T/F. The acidity of a solution reflects the concentration of free hydrogen ions in the solution.

True

T/F. The lower the pH, the higher the hydrogen ion concentration.

True

T/F. The pH of body fluids must remain fairly constant for the body to maintain homeostasis.

True

T/F. Without some sort of negative feedback mechanism, it would be impossible to keep our body chemistry in balance.

True

What system are the kidneys, bladder, and ureters associated with?

Urinary