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Exam 2 Practice , Exams of Animal Anatomy and Physiology

Urbana UniversityAnimal Anatomy and Physiology

Multiple Choice Questions with Solution Manual about Water, Acids, Bases and pH.

Typology: Exams

2021/2022

Uploaded on 02/24/2022

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ekaraj 🇺🇸

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Anatomy and Physiology Placement Exam 2 Practice
with Answers at End!
General Chemical Principles
1. _____ bonds are characterized by the sharing of electrons between the participating atoms.
a. hydrogen
b. ionic
c. covalent
d. electrical
2. A chemical bond in which electrons are gained or lost is called a(n) _____ bond.
a. ionic
b. covalent
c. hydrogen
d. electrical
3. An electron is a(n)
a. negatively charged subatomic particle
b. molecule with a neutral charge
c. neutral atom of an element
d. uncharged subatomic particle
4. A subatomic particle possessing no electrical charge is called a(n)
a. ion
b. neutron
c. atom
d. electron
5. All isotopes of a particular element possess
a. identical atomic weights
b. the same number of neutrons, but different numbers of electrons
c. the same number of protons, but different numbers of neutrons
d. identical atomic weights and numbers
6. An atom or a group of atoms possessing a positive or negative electrical charge is called a(n):
a. molecule
b. compound
c. element
d. ion
7. 14Carbon has an atomic number of 6, but has 8 neutrons. How many electrons are present in each
atom?
a. 6
b. 8
c. 14
d. some have 6 and some have 8
pf3
pf4
pf5
pf8
pf9

Partial preview of the text

Download Exam 2 Practice and more Exams Animal Anatomy and Physiology in PDF only on Docsity!

Anatomy and Physiology Placement Exam 2 Practice

with Answers at End!

General Chemical Principles

  1. _____ bonds are characterized by the sharing of electrons between the participating atoms. a. hydrogen b. ionic c. covalent d. electrical
  2. A chemical bond in which electrons are gained or lost is called a(n) _____ bond. a. ionic b. covalent c. hydrogen d. electrical
  3. An electron is a(n) a. negatively charged subatomic particle b. molecule with a neutral charge c. neutral atom of an element d. uncharged subatomic particle
  4. A subatomic particle possessing no electrical charge is called a(n) a. ion b. neutron c. atom d. electron
  5. All isotopes of a particular element possess a. identical atomic weights b. the same number of neutrons, but different numbers of electrons c. the same number of protons, but different numbers of neutrons d. identical atomic weights and numbers
  6. An atom or a group of atoms possessing a positive or negative electrical charge is called a(n): a. molecule b. compound c. element d. ion
  7. 14 Carbon has an atomic number of 6, but has 8 neutrons. How many electrons are present in each atom? a. 6 b. 8 c. 14 d. some have 6 and some have 8
  1. Chlorine must gain one electron to fill its outer energy level completely. Potassium must lose one electron in order to possess a completely filled outer energy level. What type of bond would you expect to find in potassium chloride? a. covalent b. ionic c. hydrogen d. it cannot be determined from the information given
  2. Atomic number is determined by the number of _____ in each atom. a. protons only b. protons and electrons c. protons and neutrons d. protons, neutrons, and electrons
  3. Atoms of the element carbon have four electrons in the outermost shell. What is the maximum number of single covalent bonds that can form between one atom of carbon and other atoms? a. 1 b. 2 c. 3 d. 4

Water, Acids, Bases and pH

  1. What determines the pH of a solution? a. the number of ionic bonds available b. the hydrogen ion concentration c. the strength of the hydrogen bonds present d. the number of water molecules available
  2. Identify the mismatched pair: a. hydrophilic – polar molecules b. hydrogen ion – proton c. acid solution – pH more than 7 d. water – universal solvent
  3. Which of the following qualities of water is largely responsible for the phenomenon known as capillary action? a. Water is relatively transparent. b. Water expands slightly as it freezes. c. Water is strongly cohesive. d. Water has a high heat capacity.
  4. Which of the following qualities of water is largely responsible for the ability of small insects to walk directly on the surface of water? a. Water is relatively transparent. b. Water displays a measurable surface tension. c. Water expands as it freezes. d. Water demonstrates an observable phase transition.

Organic Molecules

  1. Organic chemistry is the chemistry of a. oxygen molecules b. isotopes c. carbon compounds d. ionic bonds
  2. Organic molecules contain particular elements. Based on what you know of organic chemistry, find the mismatched pair. a. carbohydrate - CHO b. lipid - CHNOP c. protein - CHNOPS d. nucleic acid - CHNOP
  3. A molecule with the formula C 5 H 10 O 5 is a(n) a. carbohydrate b. steroid c. fat d. amino acid
  4. Simple sugars are also known as a. polymers b. monosaccharides c. disaccharides d. polysaccharides
  5. Which of the following is a condensation (dehydration synthesis) reaction? a. the linking together of two glucose molecules b. the breakdown of a polymer into monomers c. a reactions that consumes a water molecule d. an enzyme reaction that divides water into two subunits
  6. Each amino acid has a different a. amino group b. carboxyl group c. R group d. peptide bond
  7. A pentose sugar, a phosphate group and a nitrogen-containing base are found in a(n) a. amino acid b. nucleotide c. lipid d. carbohydrate
  8. In a theoretical monosaccharide, there are 18 atoms of hydrogen. How many atoms of oxygen are present? a. 6 b. 9 c. 11 d. 22
  1. Amino acids are the building blocks or monomers for a. nucleic acids b. proteins c. carbohydrates d. lipids

Cell Structure

  1. Aerobic cellular respiration occurs in the a. mitochondria b. ribosomes c. nucleolus d. cytoplasm
  2. Detoxification of certain potentially poisonous molecules occurs in the a. peroxisomes b. lysosomes c. rough ER d. Golgi complex
  3. The site of protein formation in the cell is the a. mitochondria b. Golgi complex c. lysosomes d. ribosomes
  4. This organelle is the command and control center of the cell a. mitochondria b. nucleus c. Golgi complex d. centrioles
  5. Identify the mismatched pair a. ribosome synthesis – nucleolus b. rough endoplasmic reticulum – attached ribosomes c. Golgi apparatus – lytic enzymes d. cytoskeleton – microtubules
  6. Proteins that are secreted outside the cell in the process of exocytosis are released by a. secretory vesicles b. Golgi complex c. vacuoles d. rough ER
  7. Cilia and flagella are specialized structures used a. in mitosis b. for locomotion c. to maintain cell shape d. as cellular supports
  1. A cell placed in a beaker of sea water will a. actively transport water out b. shrink due to the loss of water by osmosis c. swell due to gain of water by osmosis d. be largely unaffected and not changed appreciably in size or appearance
  2. A hypothetical “microbullet” shot through a phospholipid bilayer would pass the components in which order? a. polar >>> nonpolar>>>polar>>>nonpolar b. polar>>>polar>>>nonpolar>>>nonpolar c. nonpolar>>>polar>>>polar>>>nonpolar d. polar>>>nonpolar>>>nonpolar>>>polar

Use the following picture of a neuron (nerve cell) to answer questions 46-47.

Na+ = 12 Na+ = 3

  1. The concentration of Na+^ is ______ outside the cell than inside; therefore, the Na+ will move _____ the cell. a. greater…into b. lower…out of c. greater…out of d. lower…into
  2. When a neuron is stimulated and Na+^ ions move through an open Na+^ channel, the process is a. endocytosis b. osmosis c. facilitated diffusion d. active transport

Enzymes and Energy

  1. Enzymes are important as a. raw materials for building body parts b. a source of energy for metabolic processes c. hormones d. catalysts for chemical reactions
  2. Nearly all of the energy available on the earth comes from e. the core of the planet b. the sun c. volcanoes d. the oceans
  3. What is activation energy? a. chemical energy released from any reaction b. the energy required to start a chemical reaction c. energy released from a reaction that does not involve molecular oxygen d. a tremendous amount of energy that is spontaneously generated during a chemical reaction
  1. Enzymes a. frequently violate both the first and second law of thermodynamics b. lower activation energy requirements c. can affect the energy released from a chemical reaction d. slow metabolic reactions
  2. The reactants in an enzyme catalyzed reaction are called a. substrates b. products c. complex d. active site
  3. The information about the synthesis of enzymes comes from a. ATP b. DNA c. lipid molecules d. specific complex carbohydrates
  4. With few exceptions, all enzymes that have been identified are a. high energy phosphate molecules b. nucleic acids c. complex lipids or carbohydrates d. proteins

Organization within the Human Body

  1. Lungs, heart, or brain are examples of a. systems b. organs c. cell tissues d. organelles
  2. Pick the answer that ranks the following from smallest to largest. a. atoms, organs, cells, organisms, organ systems b. atoms, cells, tissues, organs, organisms c. cells, atoms, organ systems, organs, organisms d. organism, organ systems, organs, atoms, cells
  3. Circulatory, respiratory, or digestive are examples of a. systems b. organs c. cell tissues d. organelles