Pharm Final Ch13 Flashcards
Controlled substances are classified into five categories. What act is responsible for for these rules?
Controlled Substance Act or Comprehensive Drug Abuse Prevention and Control Act in 1970
List the number corresponding with the following controlled substances, I to V.
Hydrocodone \_\_\_\_ Heroin \_\_\_\_ Narcotic cough medicine \_\_\_\_ Fentanyl \_\_\_\_ Diazepam \_\_\_\_ Lorazepam \_\_\_\_ High abuse potential & no medical purpose \_\_\_\_ High abuse potential & legitimate medical purpose \_\_\_\_ Cocaine \_\_\_\_ Codeine \_\_\_\_
Hydrocodone \_\_1\_\_ Heroin \_\_1\_\_ Narcotic cough medicine \_\_5\_\_ Fentanyl \_\_2\_\_ Diazepam \_\_4\_\_ Lorazepam \_\_4\_\_ High abuse potential & no medical purpose \_\_1\_\_ High abuse potential & legitimate medical purpose \_\_2\_\_ Cocaine \_\_2\_\_ Codeine \_\_3\_\_
Absolute refractory period means:
The early phase of cardiac repolarization, wherein the heart muscle cannot be stimulated to depolarize.
The process by which the molecules of a substance are moved from the site of entry into systemic circulation is called:
Absorption
An enzyme that breaks down acetylcholine is known as:
Acetylcholinesterase
A medication that has undergone biotransformation and is able to alter cellular process or body function is called:
A. Adverse effect
B. Active metabolite
C. Biotransformation
D. Affinity
B. Active metabolite
Abnormal effect to an organism caused by exposure to a chemical is known as:
Adverse effect
The process of molecules binding with carrier proteins when energy is used to move the molecule against a concentration gradient. This type of process is known as:
A. Active transport
B. Filtration
C. Depolarization
D. Osmosis
A. Active transport
The ability of a medication to bind with a particular receptor site is:
Affinity
The group of medications that initiates or alters a cellular activity by attaching to receptor sites
Agonist medications
The state of being insensitive to pain while still conscious is called:
Analgesia
An extreme allergic reaction would present with the following vitals:
A. High BP, High HR, wheezes
B. High BP, Low HR, slow respirations
C. Low BP, High HR, wheezes
D. Low BP, Low HR, slow respirations
C. Low BP, High HR, wheezes
A medication that causes the inability to feel sensation is called:
Anesthetic
The medications used to treat fungal infections is:
A. Antibiotics
B. Antifungals
C. Probiotics
D. Analgesics
B. Antifungals
The medications used to kill suppress the growth of microorganisms are called:
Antimicrobials
A state in which cardiac cells are at rest, waiting for the generation of a spontaneous impulse from within is known as:
A. repolarization
B. depolarization
C. automaticity
D. absolute refractory period
C. automaticity
Bioavailability is when:
the percentage of the unchanged medication that reaches systemic circulation
A process with four possible effects on a medication absorbed into the body.
biotransformation
Narrowing of the bronchial tubes
bronchoconstriction
Widening of the bronchial tubes
bronchodilation
Medications that bind with heavy metals in the body in order to be eliminated is called:
chelating agents
What types of fibers in the parasympathetic nervous system release acetylcholine?
cholinergic
medications that displace agonist chemicals are called
competitive antagonists
Competitive depolarizing
paralytic agents that act at the neuromuscular junction by binding with nicotinic receptors on muscles, and preventing additional activation by acetylcholine
Any condition that renders some particular line of undesirable treatment
contraindication
cross-tolerance
a process in which repeated exposure to a medication within a particular class causes a tolerance that may be “transferred” to other medications in the same class
Cumulative action
several smaller of medication capable of producing the same effects that a single larger dose would
The process of discharging resting cardiac muscle fibers by an electric impulse that causes them to contract
depolarization
Depressant
A chemical that decreases the performance of the CNS
Digitalis preparation
A drug used in the treatment of HF and certain atrial dysrhythmias
A chemical that increases urinary output
diuretic
The transportation of a medication throughout the bloodstream
distribution
The duration a medication concentration expected to remain in order to provide it’s intended action
Duration (of action)
Dystonic
voluntary muscle movements that are distorted because of abnormal muscle tone
Ectopic foci
sites of generation of electrical impulses other than the normal pacemaker
Efficacy
the ability of a medication to produced desired effect
Elimination
the removal of a medication or its by-products from the body
Endogenous
originating from within the organism
Exogenous
Originating from outside the body
Extravastion
seepage of blood and medication into the tissue surrounding the blood vessel
Facilitated diffusion
The process of medication molecules binding with carrier proteins when no energy is expended
Fasciculation
brief, uncoordinated visible twitching of small muscle groups
Filtration
Use of hydrostatic pressure to force water particles through a semi-permiable membrane
First-order elimination
When the rate of elimination is directly influenced by plasma levels of a substance
First-pass effect
The alteration of a medication via metabolism within the gastrointestinal tract before it reaches systemic circulation
The unusual tolerance to a the therapeutic and adverse clinical effects of a medication
Habituation
The time needed in an average person for elimination of 50% of a substance
half-life
Hematocrit
The percentage of red blood cells in a blood sample
The destruction of red blood cells by disruption of the cell membrane
Hemolysis
Hydophilic
Attracted to water molecules
Idiosyncratic
Abnormal susceptibility to a medication
Inactive metabolite
A medication that has undergone biotransformation and is no longer able to alter a body function
A circumstance that points to the cause, pathology, treatment of an issue
Indication
One medication taken by a patient that undermines the effectiveness of another medication taken by patient
Interference
Lipophilic
Attracted to lipids
The way which a medication produces the intended response
Mechanism of action
Medications that permanently bind with receptor sites and prevent activation by agonist chemicals
noncompetitive antagonists
Drugs that produce muscle relaxation by interfering with impulses between the nerve ending and muscle receptor
nondepolarizing
nonionic means:
A. charged
B. water-based
C. uncharged
D. Fats
uncharged
The time needed for the concentration of the medication at the target tissue to reach the minimum effective level
Onset
Orthostatic hypotension
A fall in BP when changing to a standing position
Osmosis
The movement of a solvent from an area of low concentration to one of high concentration through a selectively permeable membrane to equalize concentrations on both sides
Paradoxical
opposite from expected
Pharmodynamics
the biochemical and physiologic effects and mechanism of action of a medication in the body
Pharmokinetics
the activity of medications in the body over time
Pinocytosis
a process by which cells ingest the extracellular fluid and its contents
Common signs of adverse effects include all of the following except:
A. Nausea/vomiting
B. Dizziness
C. Respiratory distress
D. Respiratory depression
C. Respiratory distress
What types of medication may cause an individual to acquire Stevens-Johnson syndrome (a skin condition that leads to a rash and then blisters)?
A. Antibiotics
B. Diuretics
C. Cocaine
D. Antidepressants
A. Antibiotics
A medications therapeutic index is based off of animal testing. What does a medications LD50 and TD50 mean?
LD50 - the weight-based dose of a medication that causes death in 50% of animals tested
TD50 - the weight-based at or above which 50% of the animals tested had toxic affects
The therapeutic index is the relationship between the median effective dose and the median lethal dose. The larger the difference between the two then ______?
A. the more lethal
B. it is considered more safe
C. it needs to be more closely monitored
B. it is considered more safe
When the patient is re-exposed to a particular allergen, a potentially massive cascade of immune system activity occurs. This is called:
Anaphylaxis
Repeated doses of medication within a short time rapidly, causes tolerance in some medications. This is called
Tachyphylaxis
What two distinct groups of medications and chemicals are prone to misuse and abuse?
Stimulants and depressants
The following effects are caused by stimulants, except:
A. Increase physical performance
B. Increase emotional performance
C. Increase mental performance
D. Reduce CNS functioning
D. reduce CNS functioning
The following are examples of depressants, except:
A. Cocaine
B. Alcohol
C. Benzodiazepines
D. Opioids
A. Cocaine
As a medication is administered, the body beings moving, and ultimately removing, the medication from the body. This is called:
A. Pharmodynamics
B. Pharmokinetics
C. Biotransformation
D. Threshold level
B. Pharmokinetics
Duration and effectiveness of a medication are determined by which of these: (more than one apply)
A. Dose
B. Route
C. Patient clinical status
D. Therapeutic index
A. Dose
B. Route
C. Patient clinical status
Which route of administration has 100% bioavailability?
A. IM
B. IV
C. SL
D. Intranasal
B. IV
Intranasal - nearly 100%
Intramuscular (IM) - 75%
Sublingual (SL) - low bioavailability
Where does most metabolism occur in the body?
Liver
What areas of the body are sites for subcutaneous medication administration?
Anterior abdomen, just outside of umbilicus, the back of arm
_________ is a process within the body that is used to redistribute water and other particles.
A. Osmosis
B. Filtration
C. Diffusion
D. Active transport
B. Filtration
________ process of binding with carrier proteins when no energy is expended.
Facilitated diffusion
Medications must also move through capillary walls to reach some tissues. What are the three types of barriers?
blood-brain barrier, blood-placenta barrier, blood-testes barrier
Fat tissue can alter the amount of medication available for action within the body. This can cause medication to:
A. be released slowly, causing prolonged effects
B. react within the body immediately
C. release quicker, causing shorter half-life
D. be administered subcutaneously
A. be released slowly, causing prolonged effects
Medications follow two patterns of metabolism and elimination. What are they?
Zero-order elimination, First-order elimination
The rate of elimination is directly influenced by the plasma levels of the substance. This is called:
First-order elimination
A fixed amount of a substance is removed during a certain period, regardless of the total amount in the body. This is called:
A. First-order elimination
B. Urination/stool
C. Zero-order elimination
D. Half-life
C. Zero-order elimination
What are the ten rights?
Right:
Person, medication, dose, route, time, documentation and reporting, assessment, to refuse, evaluation, and right patient education
Any beta agent will increase the heart’s:
Rate - chronotrope
Force - inotrope
Automaticity - dromotrope
Arteries have receptors for both alpha and beta agents. An alpha drug will cause _________. A beta agent will cause __________.
Alpha drug = vasoconstriction
Beta drug = vasodilation
Drugs that have alpha and beta sympathetic properties are called what type of drug?
Sympathomimetic drugs
Beta sympathetic agents act on two organs: heart and lungs. Beta-1 adrenergic agonists act on ______. Beta-2 adrenergic agents act on ________.
Beta-1 = heart
Beta-2 = lungs
Determine the action of the autonomic nervous system with the following drugs: (sympathetic or parasympethetic)
Atropine: Norepinephrine: Isoproterenol: Epinephrine: Dopamine: Albuterol: Propranolol:
a. Atropine: parasympathetic blocker
b. Norepinephrine: sympathetic agent (primarily alpha)
c. Isoproterenol: sympathetic agent (almost pure beta)
d. Epinephrine: sympathetic agent (predominantly beta)
e. Dopamine: sympathetic agent
f. Albuterol: sympathetic beta-2 agent
g. Propranolol: sympathetic beta-blocker