Biology 210

Exam 1 Practice Questions

 

1.     The field of anatomy concerned primarily with the study of developmental changes that occur before birth is ________________.

  1. gross anatomy
  2. surface anatomy
  3. histology
  4. embryology

 

2.     All the chemical reactions occurring in a cell are collectively referred to as ____________.

  1. digestion
  2. metabolism
  3. reproduction
  4. growth

 

3.     A directional term meaning closer to the origin of a body part or point of attachment of a limb to the body trunk is ________________.

a.     proximal

b.     distal

c.     medial

d.     intermediate

 

4.     The axillary region of the body is ______________ to the coxal region.

  1. superior
  2. inferior
  3. superficial
  4. posterior

 

5.     A _______________ plane is a vertical plane that divides the body into left and right parts.

  1. frontal
  2. transverse
  3. cubital
  4. sagittal

 

6.     The _______________ region of the abdominopelvic cavity is located superior to the umbilical region.

  1. epigastric
  2. hypogastric
  3. right iliac
  4. left iliac

 

 

 

7.     The lumbar region of the body is located ______________ to the thoracic region.

  1. superior
  2. posterior
  3. anterior
  4. deep

 

8.     _______________ energy is primarily derived from the movement of charged particles or ions.

a.     Chemical

b.     Electrical

c.     Mechanical

d.     Radiant

 

9.     Find potassium (K) on the periodic table.  How many valence (outermost shell) electrons would you expect potassium to have?

  1. one
  2. two
  3. three
  4. four

 

10.  A ______________ is a heterogeneous mixture that has large dispersed solute molecules and is capable of reversible change from fluid to gel state.

a.     solution

b.     colloid

c.     suspension

d.     molecule

 

11.  Which of the following is not true about the pH scale.

  1. the scale indicates the relative concentrations of hydrogen ions in solution
  2. the scale ranges from 1 to 15
  3. a pH of 7 is neutral (balanced level of hydrogen and hydroxide ions)
  4. anything below a pH of 7 is considered acidic

 

12.  An anabolic reaction is a _________________ reaction.

a.     metabolic synthesis

b.     metabolic decomposition

c.     inorganic exchange

d.     exergonic displacement

 

13.  A ______________ is a polymer of simple sugar subunits.

  1. monosaccharide
  2. polysaccharide
  3. lipid
  4. none of the above

 

14.  The protein structure following interaction and bonding between two or more (the same or different) polypeptide chains is known as _____________ protein structure.

a.   primary

b.   secondary

  1. tertiary
  2. quaternary

 

15.  Which of the following is not a nucleotide base found in deoxyribonucleic acid (DNA)?

  1. adenine
  2. guanine
  3. cytosine
  4. uracil

 

16.  A peptide bond is formed between two ______________.

a.     amino acids

b.     nucleic acids

c.     monosaccharides

d.     nucleotides

 

 

Extra Credit possibilitiesŠ

a.     Briefly describe the nature of a homeostatic control mechanism.  Give a specific example of a positive feedback or negative feedback control mechanism in the body.

b.     List several factors that can influence the rate of a chemical reaction.  What is meant by a chemical equilibrium?

c.     List several properties of water that make it a suitable solvent for the reactions that occur in living things.  How is water used to form and break bonds between organic molecules?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Answers: d, b, a, a, d, a, b, b, a, b, b, a, b, d, d, a