HUMAN ANATOMY & PHYSIOLOGY 2401

LECTURE TEST # 1

INTRODUCTION TO A&P; CHEMICAL BASIS OF LIFE THE CELL

DIRECTIONS: For each of the following questions or incomplete statements below select the best or the most appropriate answer in each case.

  1. Which of the following listed is the second most complex structural level of organization?
  1. system
  2. cell
  3. organ
  4. tissue
  1. The region just inferior to the umbilical is known as the ________ region.
  1. hypochondriac
  2. iliac
  3. epigastric
  4. hypogastric
  1. The plane that divides the body length wise into anterior and posterior portions is known as a __________ plane.
  1. midsagittal
  2. sagittal
  3. frontal
  4. horizontal
  1. Which one of these spaces contains all the others?
  1. pleural cavity
  2. mediastinum
  3. pericardial cavity
  4. thoracic cavity
  1. The plane that divides the body into equal left and right halves is known as a _________ plane.
  1. coronal
  2. midsagittal
  3. sagittal
  4. horizontal
  1. Which one of the following is not found in the abdominal cavity.
  1. small intestine
  2. spleen
  3. liver
  4. pancreas
  5. all of the above are found in the abdominal cavity?
  1. The number of protons in an atom is known as the:
  1. atomic weight
  2. atomic number
  3. mass number
  4. valence number
  1. If two atoms share two pairs of electrons equally, the bond is known as a/an:
  1. nonpolar covalent bond
  2. hydrogen bond
  3. polar covalent bond
  4. ionic bond
  1. Which one of the following listed is third largest in size?
  1. disaccharide
  2. monosaccharide
  3. polysaccharide
  4. carbohydrate
  1. Which one of the following is not characteristic of lipids?
  1. contain as many oxygen atoms as carbon atoms
  2. contain carbon, hydrogen, and oxygen atoms
  3. are insoluble in water
  4. are soluble in organic solvents
  1. Proteins are made up of groups of smaller subunit molecules known as:
  1. amino acids
  2. fatty acids
  3. nucleic acids
  4. strong acids
  1. Nucleotides of DNA may contain all but which one of the following substances?
  1. purine
  2. pyrimidine
  3. ribose
  4. phosphate
  1. Which of the following bases will bond with guanine?
  1. cytosine
  2. thymine
  3. uracil
  4. adenine
  1. Which one of the following is not true of a true solution?
  1. The solute particles do not settle out
  2. A light path is not visible if a beam of light is passes through the solution
  3. The dispersed particles within a true solution are very small in size
  4. The substance present in the greatest amount is called the solute
  1. If a red blood cell is placed in a test tube of distilled water, the red blood cell would be ________ to the distilled water.
  1. hypotonic
  2. isotonic
  3. hypertonic
  4. cannot be determined
  1. Isotopes of a particular chemical element have different numbers of :
  1. protons
  2. neutrons
  3. electrons
  4. leptons
  1. The transfer of electrons from one atom to another leads to the formation of the kind of bond known as:
  1. nonpolar covalent
  2. ionic
  3. polar covalent
  4. hydrogen
  1. Which one of the following is not a characteristic of lipids?
  1. insoluble in organic solvents
  2. contain only a few oxygen atoms
  3. contain carbon, hydrogen, and oxygen atoms
  4. serve as energy sources
  1. Dipeptides are formed by joining the:
  1. amino group of the one amino acid with the carboxyl group of another amino acid
  2. amino group of one amino acid with the amino group another amino acid
  3. amino group of one amino acid with a carboxyl group of a fatty acid
  4. amino group of one amino acid with the carboxyl group of a nucleic acid
  1. Nucleotides if RNA may contain all but which one of the following substances:
  1. phosphate
  2. deoxyribose
  3. pyrimidine
  4. purine
  1. Which word includes all of the others?
  1. catabolic reactions
  2. anabolic reactions
  3. metabolic reactions
  4. synthesis reactions
  5. breakdown reactions
  1. Osmosis is the movement of water from:
  1. high to low water concentration
  2. low to high water concentration
  3. high solute concentration to low solute concentration
  4. low solute concentration to high solute concentration
  5. none of the above is correct
  1. Which one of the following is not true of facilitated diffusion?
  1. shows the characteristics of specificity
  2. shows the characteristics of competition
  3. shows the characteristics of saturation
  4. requires energy
  5. moves substances from high to low concentration for those substances
  1. If a cell is placed in an isotonic solution, the net movement of water is:
  1. into a cell
  2. out of a cell
  3. zero
  4. none of the above is correct
  1. The synthesis of RNA is known as:
  1. transduction
  2. translation
  3. transcription
  4. transference
  1. If a small part of one side of a DNA molecule has the base sequence: a-t-c-g-t-a, then the messenger RNA base sequence would be:
  1. t-a-g-c-a-t
  2. t-a-c-g-t-a
  3. u-a-g-g-a-t
  4. u-a-g-c-a-u
  1. The sites of protein synthesis within the cell are the:
  1. lysosomes
  2. endoplasmic reticulum
  3. ribosomes
  4. mitochondria
  1. The stage in normal cell division where the nucleoli are disappearing and the chromosomes are appearing is known as:
  1. prophase
  2. telophase
  3. interphase
  4. anaphase
  5. metaphase
  1. Which one of the following is not true of active transport:
  1. saturation
  2. competition
  3. uses no energy
  4. specificity
  5. moves substances against concentration gradients
  1. The accumulation of extracellular fluid within a vesicle is known as:
  1. exocytosis
  2. phagocytosis
  3. mediated transport
  4. pinocytosis
  5. facilitated diffusion
  1. The stage in normal cell division where the chromosomes are migrating toward the poles is known as:
  1. prophase
  2. telophase
  3. interphase
  4. anaphase
  5. metaphase
  1. Mitosis without cytokinesis would usually yield:
  1. haploid cells
  2. diploid cells
  3. multinucleanate cells
  4. cannot occur in nature
  1. A compound having the chemical formula C100H200 O5 would be an example of a :
  1. nucleotide
  2. carbohydrate
  3. protein
  4. fat
  1. A compound having the chemical formula C12H24O12 would be an example of a:
  1. carbohydrate
  2. protein
  3. fat
  4. none of these
  1. A combination of like or unlike atoms would be best described as a:
  1. element
  2. molecule
  3. compound
  4. none of these
  1. The study of animal life is ____________ and is one of the two major categories of biology.

The study of animal structure is ____________.

    1. Botany, Anatomy
    2. Botany, Physiology
    3. Zoology, Anatomy
    4. Zoology, Physiology
  1. The sum of all chemical processes in living cells involving energy exchange defines the vital function of ______________. The ability to respond to a stimulus defines the vital function of ___________________.
  1. metabolism, adaptability
  2. metabolism, irritability
  3. growth, adaptability
  4. growth, irritability
  1. Indicate the truth of the falsehood of these two statements by selecting one choice.
  1. All living membranes are selectively permeable.
  2. The selective qualities of all cell membranes are not identical.
    1. both statements are true
    2. statement 1 is true; statement 2 is false
    3. statement 1 is false; statement 2 is true
    4. both statements are false
  1. As a constituent of cytoplasm, the mitochomdria are classified as ___________ and the ribosomes are classified as ____________.
  1. organelles, organelles
  2. organelles, inclusions
  3. inclusions, organelles
  4. inclusions, inclusions
  1. A carbon atom contains ___ positively charged particulars. Carbon has a atomic ________ of 6.
  1. 6, weight
  2. 6, number
  3. 8, weight
  4. 8, number
  1. In the presence of chlorine atoms, each sodium atom has the tendency to _______ 1 electron and become _________ charged.
  1. lose, negatively
  2. lose, positively
  3. gain, negatively
  4. gain, positively
  1. Hydrochloric acid, a _____________ acid, dissociates to a high degree and releases _______ hydrogen ions into solution.
  1. strong, few
  2. strong, many
  3. weak, few
  4. weak, many
  1. Glucose, fructose, and galactose each contain _______ carbon atoms and are classified as ______ sugars.
  1. 5, pentose
  2. 5, hexose
  3. 6, pentose
  4. 6, hexose
  1. Sucrose, a __________, contains one molecule of glucose and one molecule of _______.
  1. monosaccharide, fructose
  2. monosaccharide, galactose
  3. disaccharide, fructose
  4. disaccharide, galactose
  1. The process of diffusion tends to ____________ the concentration gradient of a substance and distribute the substance ________ throughout a given space.
  1. raise, evenly
  2. raise, unevenly
  3. lower, evenly
  4. lower, unevenly
  1. The complete breakdown of glucose produces __________ and water and ___________ the use of oxygen.
  1. carbon dioxide, requires
  2. carbon dioxide, does not require
  3. ammonia, requires
  4. ammonia, does not require
  1. The transferring of genetic information from DNA to RNA occurs _______ of a cell and is known as _________.
  1. on the ribosomes, translation
  2. on the ribosomes, transcription
  3. in the nucleus, translation
  4. in the nucleus, transcription
  1. The complementary sequence of nitrogen bases or anticodon of tRNA for mRNA codon GAU would be _________.
  1. CTA
  2. CTT
  3. CUA
  4. CUT
  1. Active transport
  1. is a physiological, energy using process
  2. ocurrs up a concentration gradient
  3. permits a concentrated substance on one side of a membrane
  4. all the above
  1. When cells move substances across their membranes energy is expanded in ________.
  1. diffusion
  2. osmosis
  3. filtration
  4. active transport
  1. Cellular fluid is called
  1. interstitial fluid
  2. intracellular fluid
  3. extracellular fluid
  4. answers (a), (b), (c) are correct
  5. only answers (a), and (c) are correct
  1. The cell dividing process which is responsible for the billions of cells present in the human body, is called.
  1. mitosis
  2. meiosis
  3. reproduction
  4. regeneration
  1. The end result of meiosis is
  1. diploid cells
  2. haploid cells
  3. somatic cells
  4. cancer
  1. Functions of the cell membrane include
  1. phagocytosis
  2. pinocytosis
  3. diffucion
  4. osmosis
  5. all the above
  1. The term distal means:
  1. toward the attached en of a limb
  2. away from the attached end of a limb
  3. away from the head.