Domanda del libro di testo
Compare the effects of the cardioacceleratory and cardioinhibitory centers on cardiac output and blood pressure.
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Ch. 21 Blood Vessels and Circulation
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089
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TOC.tableOfContents
- Ch. 1 An Introduction to Anatomy and Physiology26
- Ch. 2 The Chemical Level of Organization34
- Ch. 3 The Cellular Level of Organization30
- Ch. 4 The Tissue Level of Organization24
- Ch. 5 The Integumentary System17
- Ch. 6 Bones and Bone Structure36
- Ch. 7 The Axial Skeleton11
- Ch. 8 The Appendicular Skeleton17
- Ch. 9 Joints13
- Ch. 10 Muscle Tissue12
- Ch. 11 The Muscular System28
- Ch. 12 Nervous Tissue18
- Ch. 13 The Spinal Cord, Spinal Nerves, and Spinal Reflexes22
- Ch. 14 The Brain and Cranial Nerves20
- Ch. 15 Sensory Pathways and the Somatic Nervous System17
- Ch. 16 The Autonomic Nervous System and Higher-Order Functions30
- Ch. 17 The Special Senses16
- Ch. 18 The Endocrine System20
- Ch. 19 Blood31
- Ch. 20 The Heart31
- Ch. 21 Blood Vessels and Circulation29
- Ch. 22 The Lymphatic System and Immunity31
- Ch. 23 The Respiratory System12
- Ch. 24 The Digestive System18
- Ch. 26 The Urinary System31
- Ch. 27 Fluids & Electrolytes32
- Ch. 28 The Reproductive System12
- Ch. 29 Development and Inheritance23
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089Non è quello che usi tu?Cambia libro di testo
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Martini, Nath, Bartholomew 11th EditionCh. 21 Blood Vessels and CirculationProblema 29
Martini, Nath, Bartholomew 11th EditionCh. 21 Blood Vessels and CirculationProblema 29Capitolo 21, Problema 29
People with allergies commonly take antihistamines with decongestants to relieve their symptoms. The container warns that individuals who are being treated for high blood pressure should not take the medication. Why not?
Guida verificata passo dopo passo1
Understand that antihistamines are used to block histamine receptors, reducing allergy symptoms, while decongestants typically constrict blood vessels to reduce nasal swelling.
Recognize that decongestants often contain sympathomimetic agents like pseudoephedrine, which stimulate the sympathetic nervous system causing vasoconstriction and increased heart rate.
Recall that increased vasoconstriction and heart rate can raise blood pressure, which is risky for individuals already being treated for hypertension.
Connect that taking decongestants can counteract the effects of antihypertensive medications, making blood pressure harder to control.
Conclude that the warning exists because decongestants may elevate blood pressure and interfere with hypertension treatment, potentially leading to dangerous cardiovascular effects.
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Mechanism of Antihistamines
Antihistamines block histamine receptors to reduce allergy symptoms like sneezing and itching. They primarily target H1 receptors to prevent allergic reactions but generally have minimal direct effects on blood pressure.
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Role of Decongestants and Their Effect on Blood Pressure
Decongestants, such as pseudoephedrine, constrict blood vessels to reduce nasal swelling. This vasoconstriction can increase blood pressure and heart rate, posing risks for individuals with hypertension.
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Percorso guidato
6:40Relationship Between Blood Flow, Pressure, & Resistance
Interaction Between Decongestants and Hypertension
People with high blood pressure are advised to avoid decongestants because these drugs can elevate blood pressure further, potentially leading to dangerous cardiovascular events. This interaction explains the warning on the medication container.
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03:04The Difference Between Anatomy and Physiology
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