Podcast
Questions and Answers
Which factor influences circulation by affecting the affinity of hemoglobin for oxygen?
Which factor influences circulation by affecting the affinity of hemoglobin for oxygen?
- Osmotic & Ion Balance
- Bohr Effect (correct)
- Haldane Effect
- Thermoregulation
What is the significance of Bohr & Root Shifts in relation to hemoglobin?
What is the significance of Bohr & Root Shifts in relation to hemoglobin?
- They control the heart's pumping action
- They are related to the structure of gills
- They affect the affinity of hemoglobin for oxygen (correct)
- They regulate nutrient uptake and delivery
What is the primary function of the circulatory system in relation to waste?
What is the primary function of the circulatory system in relation to waste?
- Waste Removal (e.g. CO2, Urea, NH3) (correct)
- Oxygen Delivery
- Immunity
- Nutrient Uptake and Delivery
What is the structure that is in-line after the heart in the circulatory system of fish?
What is the structure that is in-line after the heart in the circulatory system of fish?
What is the primary function of the heart in the circulatory system?
What is the primary function of the heart in the circulatory system?
What does the Haldane Effect refer to?
What does the Haldane Effect refer to?
What influences the cardiac performance in the circulatory system?
What influences the cardiac performance in the circulatory system?
What is the primary function of the circulatory system in relation to nutrient uptake?
What is the primary function of the circulatory system in relation to nutrient uptake?
What is the primary function of the circulatory system in relation to communication?
What is the primary function of the circulatory system in relation to communication?
What is the primary function of the circulatory system in relation to thermoregulation?
What is the primary function of the circulatory system in relation to thermoregulation?
What is the significance of the oxygen transport cascade in the circulatory system?
What is the significance of the oxygen transport cascade in the circulatory system?
What is the primary function of the circulatory system in relation to damage/repair?
What is the primary function of the circulatory system in relation to damage/repair?
What is the effect of increased temperature on hemoglobin-oxygen affinity?
What is the effect of increased temperature on hemoglobin-oxygen affinity?
Which fish species lacks hemoglobin and has adaptations for a low metabolic rate?
Which fish species lacks hemoglobin and has adaptations for a low metabolic rate?
What is the consequence of decreased pH on hemoglobin-oxygen affinity?
What is the consequence of decreased pH on hemoglobin-oxygen affinity?
Which factor leads to an exaggerated Bohr Effect and decreased hemoglobin-oxygen carrying capacity?
Which factor leads to an exaggerated Bohr Effect and decreased hemoglobin-oxygen carrying capacity?
Which fish species has monomeric hemoglobin when oxygenated, similar to myoglobin?
Which fish species has monomeric hemoglobin when oxygenated, similar to myoglobin?
What is the effect of organic phosphates on hemoglobin-oxygen affinity?
What is the effect of organic phosphates on hemoglobin-oxygen affinity?
Which fish species possesses an epigonal organ near the gonads for blood cell maturation?
Which fish species possesses an epigonal organ near the gonads for blood cell maturation?
What is the primary factor affecting hemoglobin-oxygen affinity during hypoxia and warm, stagnant water?
What is the primary factor affecting hemoglobin-oxygen affinity during hypoxia and warm, stagnant water?
Which fish species inhabits cold waters and possesses a high oxygen affinity haplotype?
Which fish species inhabits cold waters and possesses a high oxygen affinity haplotype?
What is the consequence of increased PCO2 or decreased pH on hemoglobin-oxygen affinity?
What is the consequence of increased PCO2 or decreased pH on hemoglobin-oxygen affinity?
Which fish species has an organ called the Leydig organ in the esophagus for blood cell maturation?
Which fish species has an organ called the Leydig organ in the esophagus for blood cell maturation?
What is the primary factor affecting hemoglobin-oxygen affinity in response to temperature changes?
What is the primary factor affecting hemoglobin-oxygen affinity in response to temperature changes?
What is the structure that follows the atrium in the fish circulatory system?
What is the structure that follows the atrium in the fish circulatory system?
Which region of the fish heart lacks conducting fibers, allowing atria to completely empty?
Which region of the fish heart lacks conducting fibers, allowing atria to completely empty?
In which fish species is the bulbous arteriosus non-contractile and has a single bulbal valve?
In which fish species is the bulbous arteriosus non-contractile and has a single bulbal valve?
What is the primary type of myocardium found in the ventricular walls of the fish heart?
What is the primary type of myocardium found in the ventricular walls of the fish heart?
In which fish species are the coronaries well developed and associated with active fishes and elasmobranchs?
In which fish species are the coronaries well developed and associated with active fishes and elasmobranchs?
Where is the electrical signal for the fish heart initiated?
Where is the electrical signal for the fish heart initiated?
Which type of fish heart filling is biphasic in the cardiac cycle?
Which type of fish heart filling is biphasic in the cardiac cycle?
What is the function of the bulbous arteriosus in the fish circulatory system?
What is the function of the bulbous arteriosus in the fish circulatory system?
What is the primary type of myocardium found in the universal inner layer of the fish heart?
What is the primary type of myocardium found in the universal inner layer of the fish heart?
Which region of the fish heart lacks conducting fibers, allowing atria to completely empty?
Which region of the fish heart lacks conducting fibers, allowing atria to completely empty?
In which fish species is the conus arteriosus contractile and features conal valves?
In which fish species is the conus arteriosus contractile and features conal valves?
Which fish species has a well-developed coronary artery and dense compact myocardium in the ventricular walls?
Which fish species has a well-developed coronary artery and dense compact myocardium in the ventricular walls?
What is the primary factor affecting stroke volume (SVH)?
What is the primary factor affecting stroke volume (SVH)?
What is the primary factor influencing cardiac filling pressure and venous return?
What is the primary factor influencing cardiac filling pressure and venous return?
What determines the intrinsic heart rate (fH) in fish?
What determines the intrinsic heart rate (fH) in fish?
What leads to an increase in stroke volume (SVH) through the Frank-Starling mechanism?
What leads to an increase in stroke volume (SVH) through the Frank-Starling mechanism?
Which factor influences cardiac performance by affecting the affinity of hemoglobin for oxygen?
Which factor influences cardiac performance by affecting the affinity of hemoglobin for oxygen?
What is the primary effect of epinephrine on cardiac contractility?
What is the primary effect of epinephrine on cardiac contractility?
What is the primary factor affecting cardiac output during endurance swimming?
What is the primary factor affecting cardiac output during endurance swimming?
What leads to a decrease in cardiac output (Q) during moderate hypoxia?
What leads to a decrease in cardiac output (Q) during moderate hypoxia?
What is the primary factor influencing the development of force in the cardiac muscle at a given resting fiber length?
What is the primary factor influencing the development of force in the cardiac muscle at a given resting fiber length?
What is the primary factor affecting venous return and cardiac filling pressure through vis-a-fronte forces (in front-PULL)?
What is the primary factor affecting venous return and cardiac filling pressure through vis-a-fronte forces (in front-PULL)?
What influences cardiac output by affecting the affinity of hemoglobin for oxygen in response to temperature changes?
What influences cardiac output by affecting the affinity of hemoglobin for oxygen in response to temperature changes?
What leads to a decrease in cardiac output (Q) during severe hypoxia?
What leads to a decrease in cardiac output (Q) during severe hypoxia?