Lecture 20 Flashcards
What do cardiac glycosides do? A) cure heart disease B) cure asthma C) cause heart disease D) cause asthma
C
What do plants use cardiotonics for? A) prevention of herbivory B) attract pollinators C) look pretty D) prevent global warming
A
T/F
All animals are harmed by cardiotonics
False
monarch butterflies eat it & let it build up in their tissues to make them toxic
T/F
Foxglove’s medicinal properties were discovered by William Withering and is capable to by itself treat CHF
False
it works with a formulation of many ingredients
What is digitalin? A) vascular stimulant B) motor-excitant C) paralyzant D) aphrodesiac E) emetic F) diuretic
All of the above
Digitalin causes this effect on the heart:
slows heart rate & increases force of contractions (raises arterial tension)
What does digitoxin do?
treat atrial fibrillation
What does rauvolfia treat medicinally?
Hypertension
What is the active ingredient in Rauvolfia?
Reserpine
What is the mode of action of reserpine?
depression of SNS & heart output
T/F
Garlic is a new medicinal plant
False
used in ancient cultures
What does garlic do? A) reduces hypertension B) reduces cholesterol C) anti nausea D) antioxidant
All but C
What is ephedra used for? A) hypotension B) colds C) asthma D) influenza
All of the above
T/F
Ephedra plants have been used in both medicine and stimulant drugs
True
similar to amphetamines, is used as a decongestant
What is hawthorn used for?
Cardiac arrhythmia
What are the active ingredients in hawthorn?
Flavonoids & oligomeric procyanids
Hawthorn has all but this effect on the body: A) Dilate blood vessels B) Diuretic C) Strengthen heart contractions D) Stabilize heart beat
B
What aspect of physiology does ginkgo affect?
Peripheral/cerebral circulator stimulation
T/F
Ginkgoes were worshipped in Japan
True
under confucianism
What can ginkgo seeds and leaves be used for in traditional medicine?
Cure-all essentially
What is ginkgo used for in modern medicine? A) cognitive impairment B) anticoagulant C) increased blood flow D) antioxidant
All of the above
What are the active ingredients in ginkgo?
ginkgolides and bilobalide
Which plants reduce cholesterol and act as anticoagulants? A) garlic B) onion C) oat D) flax E) soybeans
all of the above
What do phytosterols do?
Mimics cholesterol, reduces bad cholesterol
T/F
Wine, green tea, cinnamon, and cocoa increase blood flow and reduce clotting
True
