Anatomy and Physiology Exam 1

The numbers listed represent the number of electrons in the first, second, and third energy levels, respectively. On this basis, which of the following is an unstable or reactive atom?

2, 8, 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

Atom X has 17 protons. How many electrons are in its valence shell?

7

If atom X has an atomic number of 74 it would have which of the following?

74 protons

Choose the anatomical topic and definition that is not correctly matched.

Cytology: study of the structures in a particular region.

Select the correct statement about isotopes.

Isotopes of the same element have the same atomic number but differ in their atomic masses

Which of the following statements is true concerning feedback mechanisms?

Negative feedback mechanisms work to prevent sudden severe changes within the body.

What does the formula C6H12O6 mean?

There are, 6 carbon, 12 hydrogen, and 6 oxygen atoms

What does CH 4 mean?

There is one carbon and four hydrogen atoms

Which of the following describes a parasagittal plane?

any sagittal plane except in the midline

The four elements that make up about 96% of body matter are ________.

carbon, oxygen, hydrogen, nitrogen

What is the regional term for the hip region?

coxal

Which of the following would not be a functional characteristic of life?

decay

The study of large body structures, visible to the naked eye, such as the heart is called ________ anatomy.

gross

Which property of water is demonstrated when we sweat?

high heat of vaporization

Salts are always ________

ionic compounds

The anatomical position is characterized by all of the following except ________

palms turned posteriorly arms at sides

The heart lies in the ________ cavity.

pericardial

A chemical reaction in which bonds are broken is usually associated with

the release of energy

Histology would be defined as a study of

tissues