BMS 507 Exam 1 UNH

The study of the general form and superficial markings of an organism is called ______ anatomy
a. Systemic

b. Gross

c. Surgical

d. Surface

e. Regional

Surface

The study of the liver to gross anatomy as the study of a liver cell is to

a. Systemic anatomy

b. Cytology

c. Physiology

d. Radiographic anatomy

e. Regional anatomy

Cytology

Which of the following is arranged in correct order from most complex to simplest?

a. Cellular, tissue, molecular, system, organ, organism

b. Organism, system, organ tissue, cellular, molecular

c. Molecular, cellular, tissue, organ, system, organism

Organism, system, organ tissue, cellular, molecular

A chemical imbalance in the body can cause the heart to stop pumping blood, which in turn will cause other tissues and organs to cease functioning. This observation supports the view that

a. All levels of organization within an organism are interdependent

b. Blood has magical properties

c. All organisms are composed of cells

d. Congenital defects can be life threatening

All levels of organization within an organism are interdependant

A person who is standing facing forward with hands facing at the sides and palms facing forward is in _______ position

a. Sagittal

b. Supine

c. Frontal

d. Anatomical

e. Prone

Anatomical

While standing erect, the direction of caudal is

a. Lateral to the trunk

b. Posterior to the head

c. Toward the heel

d. Medial to the sides

e. Toward the head

Toward the heel

The heart is ______ to the lungs

a. Proximal

b. Lateral

c. Medial

d. Distal

e. Posterior

Medial

The chin is _____ to the nose

a. Anterior

b. Medial

c. Posterior

d. Inferior

e. Superior

Inferior

The common name for the pollex is the

a. Belly

b. Hand

c. Ear love

d. Thumb

e. Big toe

Thumb

A person lying face down is in the _____ position

a. Prostrate

b. Supine

c. Ventral

d. Prone

e. Anatomical

Prone

The mediastinum

a. Contains the pleural cavities

b. Separates the pleural cavities and includes the pericardial activity

c. Separates the pleural cavities

d. Contains the pericardial cavity

e. Contains the pleural cavities and pericardial cavity

Separates the pleural cavities and includes the pericardial activity

The serous membrane covering the stomach and most of the intestines is called the

a. Peritoneum

b. Abdomen

c. Pleura

d. Pericardium

e. Mediastinum

Peritoneum

The imaging technique that assesses metabolic and physiological activity of a structure is called a

a. PET scan

b. Ultrasound

c. Digital subtraction angiography

d. CT scan

e. MRI

PET scan

When body temperature rises, a center in the brain initiates physiological changes to decrease the body temp. This is an example of

a. Fever

b. Diagnostic regulation

c. Negative feedback

d. Positive feedback

e. Nonhomeostatic regulation

Negative Feedback

Helium has an atomic number of 2. It is chemically stable because it

a. Is neutral in electrical charge

b. Will form a covalent bond with another He atom

c. Lacks electrons, this the He atom is stable

d. Has full outer electron shell

e. Readily ionizes to react with other atoms

Has full outer electron shell

A dust particle floating on a water surface illustrates

a. Chemical tension

b. Heat capacity

c. Surface tension

d. Static electricity

e. Hydrophilic attraction

Surface tension

Given the following approximate values, calculate the molecular weight for NaCl.

a. 34 g/mol

b. 11 g/mol

c. 58 g/mol

d. 28 g/mol

e. 40 g/mol

58 g/mol

When electrons are transferred form on atom to another, and the two atoms unite as a result of the opposite charges, a(n) ______ is formed

a. Hydrogen bond

b. Ionic bond

c. Covalent bond

d. Ion

e. Molecule

Ionic bond

If an isotope of oxygen has 8 protons, 10 neutrons, and 8 electrons, its mass number is

a. 18

b. 26

c. 8

d. 12

e. 16

18

Atoms of the same element number of protons, but different numbers of neutrons are called

a. Hetertropes

b. Heterotonics

c. Isotonics

d. Homotopes

e. Isotopes

Isotopes

In an aqueous solution, sodium ions would move toward

a. A negative terminal

b. A positive terminal

c. The bottom

d. An organic terminal

e. A pH terminal

a negative terminal

Ions with a + charge are called

a. Positrons

b. Cations

c. Radicals

d. Isotopes

e. Anions

Cations

Oxygen (atomic number 8) requires how many additional electrons to fill its outer electron shell?

a. 6

b. 8

c. 2

d. 1

e. 4

2

The reactions H2CO3

Resersible

Oxygen which forms naturally as two atoms are bonded together with what bond?

a. Single covalent

b. Nonpolar covalent bond

c. Hydrogen bond

d. Ionic bond

e. Polar covalent bond

Nonpolar covalent bond

The reaction A + B + energy à AB is an example of an _____ reaction

a. Exergonic

b. Exchange

c. Decomp

d. Equilibrium

e. Endergonic

Equilibrium

A polysaccharide that is formed in liver and muscle cells to store glucose is

a. Sucrose

b. Fructrose

c. Lactose

d. Glycogen

e. Cellulose

Cellulose

Molecules that have the same molecular formula but different structural formulas are called

a. Isomoles

b. Isotopes

c. Isomers

d. Isozymes

e. Isotypes

Isomers

Nonpolar organic molecules are good examples of

a. Electrolytes

b. Molecules that will dissociate when placed into water

c. Solutes

d. Hydrophobic compound

e. Hydrophilic compounds

Hydrophobic compound

To bond two monomers together, a molecule of water must be ______ to / from monomers. This process is called ______

a. Removed, crenation

b. Added, ionization

c. Removed, dehydration synthesis

d. Added, hydrolysis

e. Added, denaturation

Removed, dehydration synthesis

Which of the following statements about water is false ?

a. It is responsible for much of the mass of the human body

b. It can dissolve many substances

c. It is composed of polar molecules

d. It has a relatively low heat capacity

e. It contains hydrogen bonds

it has a relatively low heat capacity

An excess of hydrogen ions in the body fluids can have fatal results because this can

a. Disrupt tissue functions

b. Change the shape of proteins, rendering them nonfunctional

c. Break chemical bonds

d. Change body fluid pH

e. All answers are correct

All the answers are correct

Water has the ability to dissolve polar covalent molecules like sucrose by

a. Taking electrons from the polar covalent molecule

b. Creating crystals of positively and negatively charged atoms

c. Ionization

d. Forming hydration spheres around the molecule

e. Pulling atoms out of the molecule and into solution

Forming hydration spheres around the molecule

A fatty acid that contains two or more double covalent bonds is said to be

a. Hydrogenated

b. Monounsaturated

c. Polyunsaturated

d. Saturated

e. Carboxylated

Polyunsaturated

Which of the following is / are needed to form a triglyceride molecule?

a. 3 fatty acid molecules and 1 glycerol molecule

b. 3 glycerol molecules

c. 1 glycerol molecule

d. 3 glycerol molecules and 3 fatty acid molecules

3 fatty acid molecules and 1 glycerol molecule

Synthesis of lipids and glycogen take place at the

a. Rough ER

b. Ribosomes

c. Mitochondria

d. Smooth ER

e. Golgi apparatus

Smooth ER

If an animal cell lacked centrioles, it would not be able to

a. Divide

b. Produce DNA

c. Move

d. Metabolize

e. Synthesize protein

Divide

Which of the following functions of proteins?

a. Metabolic regulation

b. Support

c. Buffering

d. Defense

e. All are functions of proteins

All are functions of proteins

You would expect a peptide bond to link

a. Two simple sugars

b. Two amino acids

c. A sugar and a peptide

d. A peptide and a fatty acid

e. Two nucleotides

two amino acids

Microfilaments do not

a. Consists of the protein called actin

b. Distribute chromosome to opposite ends of a dividing cells

c. Help determine the consistency of cytoplasm

d. Produce cell movement, within myosin

e. Anchor the cytoskeleton to membrane proteins

Distribute chromosomes to opposite ends of a dividing cell

Identify the mismatched pair

a. Recognition glycoproteins and glycolipids - identify the cell as "self"

b. Enzymes speed up chemical reactions

c. Channel proteins - provide passageway for ions

d. Carrier proteins - allow a cell to move

e. Receptor proteins - bind to extracellular ligands

Carrier proteins- allow a cell to move

The only kind of cell in the body that is not produced by the division of preexisting cells is

a. Gamete

b. Neuron

c. None, because every cell is produced by the division of another cell

d. Liver cell

e. Osteocyte

None, because every cell is produced by the division of another cell

The anticodon for UCA is

a. AGU

b. AGC

c. TGTG

d. TCA

e. AGT

AGU

The process of forming mRNA is called

a. Ribolation

b. Transcription

c. Translation

d. Replication

e. Auscultation

Transcription

All of the following membrane transport mechanisms are passive processes except

a. Vesicular transport

b. Movement of water

c. Diffusion

d. Facilitated diffusion

e. Osmosis

Vesicular transport

Macrophages are cells that engulf and consume germs or debris. What organelle must be especially plentiful in these cells?

a. Lysosomes

b. Centrioles

c. Mitochondria

d. Ribosomes

e. Nuclei

Lysosomes

Hemolysis may occur when a blood cell is placed into a ____ solution

a. Hypertonic

b. Homotonic

c. Isotonic

d. Hypotonic

e. Merotonic

Hypotonic

Each triplet of bases in a gene corresponds to

a. One AA in a protein

b. One mRNA

c. One protein

d. One DNA nucleotide

e. One chromosome

One AA in a protein

When is DNA replicated?

a. Interkinesis

b. Interphase

c. Telophase

d. Anaphase

e. Metaphase

Interphase

The correct order of phases in the cell cycle is

a. Telophase, anaphase, metaphase, interphase, prophase

b. Interphase, prophase, metaphase, anaphase, telophase

c. Metaphase, anaphase, interphase, prophase, telophase

d. Interphase, prophase, anaphase, metaphase, telophase

e. Prophase, interphase, anaphase, metaphase, telophase

Interphase, prophase, metaphase, anaphase