Exam 1 Flashcards
The process that occurs when a cell, tissue, organ, or organ system adjusts in response to an environmental change is called
Autoregulation
A cut through the midsagittal section of the body would pass through the
Heart
In general, the nervous system does each of the following except
Direct long-term responses to change
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
All levels of organization within an organism are interdependent
The study of the function of specific organ systems is called
Systemic physiology
The common term for the carpal region is the
Wrist
Cardiovascular function is an example of
Systemic physiology
The Mediastinum
Separates the pleural cavities and includes the pericardial cavity
Tendency for physiological systems to stabilize internal conditions is called
Homeostasis
Which of the following is arranged INCORRECTLY order from the most complex to the simplest
Organ system, organ, tissue, cellular, molecular
Identify the structure located within the Mediastinum
Pericardial cavity
While standing erected the direction of caudal is
Towards the heel
Visceral pericardium is located
On the heart itself
Which plane divides the body into the right and left parts
Sagittal
In ______ a stimulus produces a response that amplifiers or enhances the original stimulus
Positive feedback
The imaging technique that builds an image by using sound waves, reflected by internal structures is called
Ultrasound
The study of the general form in superficial markings of an organism is called______ anatomy
Surface
The wrist is ______ to the elbow
Distal
The heart is ______ to the lungs
Medial
The common name for the patella is the
Knee
Which of the following terms refers to the foot?
Pedal
An example of a receptor in a negative feedback loop controlling body temperature would be
Temperature sensors on the skin that detect a stimulus
Identify the branch of biological science, that studies the external and internal structures of the body and the physical relationship among body parts
Anatomy
Many medical terms are rooted in
Greek and Latin
Anatomy is too ______ as physiology is too ______
Structure | function
If a pair of electrons is uniquely shared between two atoms a ______ bond occurs
Polar covalent
V
Molecules with two fatty acid chains and a phosphate group that forms biological membranes are called
Phospholipid
Helium has an atomic number of two. This is chemically stable because it
Has a full outer electron shell
The formula for methane gas is CH4. What does the formula 4CH4 represent?
Four molecules, each containing one carbon atom and four hydrogen atoms
Cumulative damage from the reactive ______ is thought to be a major factor in aging
Free radicals
You would expect a peptide bond to link
Two amino acids
If a substance has a pH that is greater than seven it is
Alkaline
The ______ of a solution is the negative logarithm of the hydrogen ion concentration expressed in moles per liter
pH
AB -> A+B is to decomposition as A+B -> is to
Synthesis
Electrons were around the center of the atom at high speed, forming a
Electron cloud
Which of the following functional groups is in the carboxyl group?
-COOH
Which element commonly has only a protein as its nucleus
Hydrogen
A fatty acid that contains two or more double covalent bonds is said to be
Polysaturated
Which of the following is not a cation?
Cl- (it is a anion)
Molecules that Have the same molecular formula, but different structural formulas are called
Isomers
In an aqueous solution, sodium ions would move towards
A negative terminal
Cholesterol phospholipids and glycolipids are examples of
Structural lipids
Nonpolar organic molecules are good examples of
Hydrophobic compounds
A ______ bond is a covalent bond that stores an unusually large amount of energy
High energy (ATP)
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
Na atomic weight 23 g/mol +
Cl atomic weight 35 g/ mol =
58 g/mol
Which property of water helps keep body temperature stabilized
Thermal inertia
The phosphorylation of adenosine forms
AMP ( adenosine monophosphate)
