Test Bank For Anatomy And Physiology 9th Edition by Marieb

Test Bank For Anatomy And Physiology 9th Edition by Marieb

Patton: Anatomy and Physiology, 9th Edition Chapter 03: Chemical Basis of Life

Test Bank

MULTIPLE CHOICE

1. Which of the following represents a trace element in the body?

a. Sulfur

b. Chlorine

c. Iron

d. Phosphorus

ANS: C 

DIF: Memorization   

REF: 

TOP: Basic Chemistry 

2. The kind of element is determined by the number of:

a. protons.

b. neutrons.

c. mesotrons.

d. electrons.

ANS: A 

DIF: Application 

REF: 

TOP: Atomic Number and Mass Number  

3. Atomic weight is determined by the number of:

a. protons and electrons.

b. neutrons and electrons.

c. neutrons, protons, and electrons.

d. protons and neutrons.

ANS: D 

DIF: Application 

REF: 

TOP: Atomic Number and Mass Number  

4. Carbon has an atomic number of 6. The number of electrons found in the first shell is:

a. two.

b. four.

c. six.

d. eight.

ANS: A 

DIF: Application 

REF: 

TOP: Energy Levels

5. The atomic number of carbon is 6. How many unpaired electrons are in its outer shell?

a. Two

b. Three

c. Four

d. Five

ANS: C 

DIF: Application 

REF: 

TOP: Energy Levels

6. A negatively charged subatomic particle that moves around the nucleus is a(n):

a. orbital.

b. proton.

c. neutron.

d. electron.

ANS: D 

DIF: Memorization   

REF: 

TOP: Atomic Structure 

7. When atoms combine, they may gain, lose, or share:

a. electrons.

b. protons.

c. neutrons.

d. nuclei.

ANS: A 

DIF: Application 

REF: 

TOP: Attraction Between Atoms

8. An ionic bond is formed by:

a. two or more positive ions combining.

b. two or more negative ions combining.

c. a positive and a negative ion attracting each other.

d. sharing of a pair of electrons.

ANS: C 

DIF: Application 

REF: 

TOP: Ionic Bonds

9. An example of an element would be:

a. Ne.

b. CO₂.

c. C₆H₁₂O₆.

d. H₂O.

ANS: A 

DIF: Application 

REF: 

TOP: Elements and Compounds

10. An isotope of an element contains different numbers of ____ from other atoms of the same element.

a. electrons

b. protons

c. neutrons

d. both protons and neutrons

ANS: C 

DIF: Application 

REF: 

TOP: Isotopes