Body Systems (9)
Where in the body are red blood cells produced?
a) Bone marrow
b) Heart
c) Spleen
d) Liver
a) Bone marrow
The term nephrectomy refers to the removal of what organ?
a) Kidney
b) Spleen
c) Ovary
d) Nerve
Nephr- (kidney) and -ectomy (removal)
A drug's ability to produce its intended therapeutic effect is best described as what?
a) Efficacy
b) Potency
c) Bioavailability
d) Half-life
a) Efficacy
Efficacy is how effective a drug is.
A vaccine is administered to stop a disease from occurring. This treatment approach is an example of what?
a) Prevention
b) Alleviation
c) Management
d) Curation
a) Prevention
A patient with weakened bones and chronic fractures might have issues related to which organ system that provides structural support and movement?
a) Musculoskeletal system
b) Nervous system
c) Integumentary system
d) Endocrine system
a) Musculoskeletal system
This includes the muscles and bones.
The medical procedure splenectomy involves the removal of which organ?
a) Spleen
b) Kidney
c) Uterus
d) Stomach
a) Spleen
Splen- (spleen) and -ectomy (removal)
A drug that occupies a receptor site but does not activate it is best described as what?
a) Antagonist
b) Agonist
c) Active metabolite
d) Chemical binder
a) Antagonist
Antagonists block receptor sites to dampen a response.
A specific situation where a drug may be harmful and should not be used is known as what?
a) Contraindication
b) Indication
c) Adverse effect
d) Risk-benefit profile
a) Contraindication
Example: Accutane is contraindicated in pregnant people.
The pancreas produces insulin to regulate blood glucose levels as part of which system?
a) Endocrine system
b) Digestive system
c) Cardiovascular system
d) Renal system
Which suffix is used to describe a visual examination?
a) -scopy
b) -graphy
c) -tomy
d) -opsy
a) -scopy
The process of a drug moving from the blood into various tissues is known as what?
a) Distribution
b) Absorption
c) Excretion
d) Metabolism
a) Distribution
This is when the drug moves through the blood into different body components
A patient has a genetic variant affecting the CYP 450 enzymes. According to the reading, how might this impact certain drug therapies?
a) The patient may require a different or adjusted dose to avoid adverse effects
b) The patient will be completely immune to that medication's effects
c) The patient's drug metabolism is unaffected by genetic variants
d) The medication is automatically transformed into a vitamin.
a) The patient may require a different or adjusted dose to avoid adverse effects
Genetic differences in CYP 450 can affect how drugs are metabolized.
Medications like insulin and levothyroxine are commonly associated with which organ system?
a) Endocrine system
b) Digestive system
c) Renal system
d) Reproductive system
a) Endocrine system
The suffix '-ectomy' as in 'appendectomy' describes what kind of action?
a) Surgical removal
b) Visual examination
c) An incision or cut
d) An enlarged state
a) Surgical removal
The relationship between drug levels in the body and their therapeutic effects is studied in which field?
a) Pharmacodynamics
b) Pharmacokinetics
c) Drug metabolism
d) Drug distribution
a) Pharmacodynamics
Pharmacodynamics describes the study of what drugs do in the body.
A physician’s note reads “Xerostomia from anticholinergic therapy.” Which statement best describes this side effect?
a) Decreased saliva production leading to a dry mouth
b) Excessive sweating caused by elevated body temperature
c) Inflammation in the joints resulting from drug-induced swelling
d) A shortage of red blood cells leading to weakness and fatigue
a) Decreased saliva production leading to a dry mouth
Xerostomia = dry mouth due to reduced saliva
A patient’s GFR drops from 45 mL/min/1.73 m² to 25 mL/min/1.73 m². What does this shift indicate?
a) Progression from Stage 3 to Stage 4 CKD, meaning more significant renal impairment
b) Stable chronic kidney disease in the early stage
c) Return to normal kidney function
d) No change in renal status
a) Progression from Stage 3 to Stage 4 CKD, meaning more significant renal impairment
GFR < 30 suggests Stage 4 CKD
A new prescription label specifies “hepatotoxicity monitoring recommended.” Which organ is primarily at risk?
a) Liver
b) Kidneys
c) Lungs
d) Stomach
a) Liver
Hepato- (liver) -toxicity (toxic)
What are the special proteins in the liver that metabolize drugs called?
a) Enzymes
b) Transporters
c) Prodrugs
d) Compartments
a) Enzymes
When a prescriber notes that a patient’s GFR is below 30 mL/min/1.73 m², which statement is most accurate regarding medication therapy?
a) Significant dose adjustments may be required due to severe renal impairment
b) Normal dosing is safe for all oral medications
c) GFR does not affect medication dosing
d) Only injectable medications need adjustment
a) Significant dose adjustments may be required due to severe renal impairment
A GFR below 30 indicates severe kidney impairment, often requiring significant dose modifications.