Exam 1

Question 1

The process that occurs when a cell, tissue, organ, or organ system adjusts in response to an environmental change is called

Answer 1

Autoregulation

Question 2

A cut through the midsagittal section of the body would pass through the

Answer 2

Heart

Question 3

In general, the nervous system does each of the following except

Answer 3

Direct long-term responses to change

Question 4

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

Answer 4

All levels of organization within an organism are interdependent

Question 5

The study of the function of specific organ systems is called

Answer 5

Systemic physiology

Question 6

The common term for the carpal region is the

Answer 6

Wrist

Question 7

Cardiovascular function is an example of

Answer 7

Systemic physiology

Question 8

The Mediastinum

Answer 8

Separates the pleural cavities and includes the pericardial cavity

Question 9

Tendency for physiological systems to stabilize internal conditions is called

Answer 9

Homeostasis

Question 10

Which of the following is arranged INCORRECTLY order from the most complex to the simplest

Answer 10

Organ system, organ, tissue, cellular, molecular

Question 11

Identify the structure located within the Mediastinum

Answer 11

Pericardial cavity

Question 12

While standing erected the direction of caudal is

Answer 12

Towards the heel

Question 13

Visceral pericardium is located

Answer 13

On the heart itself

Question 14

Which plane divides the body into the right and left parts

Answer 14

Sagittal

Question 15

In ______ a stimulus produces a response that amplifiers or enhances the original stimulus

Answer 15

Positive feedback

Question 16

The imaging technique that builds an image by using sound waves, reflected by internal structures is called

Answer 16

Ultrasound

Question 17

The study of the general form in superficial markings of an organism is called______ anatomy

Answer 17

Surface

Question 18

The wrist is ______ to the elbow

Answer 18

Distal

Question 19

The heart is ______ to the lungs

Answer 19

Medial

Question 20

The common name for the patella is the

Answer 20

Knee

Question 21

Which of the following terms refers to the foot?

Answer 21

Pedal

Question 22

An example of a receptor in a negative feedback loop controlling body temperature would be

Answer 22

Temperature sensors on the skin that detect a stimulus

Question 23

Identify the branch of biological science, that studies the external and internal structures of the body and the physical relationship among body parts

Answer 23

Anatomy

Question 24

Many medical terms are rooted in

Answer 24

Greek and Latin

Question 25

Anatomy is too ______ as physiology is too ______

Answer 25

Structure | function

Question 26

If a pair of electrons is uniquely shared between two atoms a ______ bond occurs

Answer 26

Polar covalent

Question 27

V

Question 28

Molecules with two fatty acid chains and a phosphate group that forms biological membranes are called

Answer 28

Phospholipid

Question 29

Helium has an atomic number of two. This is chemically stable because it

Answer 29

Has a full outer electron shell

Question 30

The formula for methane gas is CH4. What does the formula 4CH4 represent?

Answer 30

Four molecules, each containing one carbon atom and four hydrogen atoms

Question 31

Cumulative damage from the reactive ______ is thought to be a major factor in aging

Answer 31

Free radicals

Question 32

You would expect a peptide bond to link

Answer 32

Two amino acids

Question 33

If a substance has a pH that is greater than seven it is

Answer 33

Alkaline

Question 34

The ______ of a solution is the negative logarithm of the hydrogen ion concentration expressed in moles per liter

Answer 34

pH

Question 35

AB -> A+B is to decomposition as A+B -> is to

Answer 35

Synthesis

Question 36

Electrons were around the center of the atom at high speed, forming a

Answer 36

Electron cloud

Question 37

Which of the following functional groups is in the carboxyl group?

Answer 37

-COOH

Question 38

Which element commonly has only a protein as its nucleus

Answer 38

Hydrogen

Question 39

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

Answer 39

Polysaturated

Question 40

Which of the following is not a cation?

Answer 40

Cl- (it is a anion)

Question 41

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

Answer 41

Isomers

Question 42

In an aqueous solution, sodium ions would move towards

Answer 42

A negative terminal

Question 43

Cholesterol phospholipids and glycolipids are examples of

Answer 43

Structural lipids

Question 44

Nonpolar organic molecules are good examples of

Answer 44

Hydrophobic compounds

Question 45

A ______ bond is a covalent bond that stores an unusually large amount of energy

Answer 45

High energy (ATP)

Question 46

Given approximate values calculate the molecular weight for NaCl Atomic number for Na 11 Atomic weight for Na 23 g/mol Atomic number for Cl 17 Atomic weight for Cl 35 g/mol

Answer 46

Na atomic weight 23 g/mol + Cl atomic weight 35 g/ mol = 58 g/mol

Question 47

Which property of water helps keep body temperature stabilized

Answer 47

Thermal inertia

Question 48

The phosphorylation of adenosine forms

Answer 48

AMP ( adenosine monophosphate)