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- Where does the right ventricle send blood? a. the head b. the upper body c. the lungs d. the lower bodyHow do arteries differ from veins? a. Arteries have thicker wall layers to accommodate the changes in pressure from the baa b. Arteries carry blood. c. Arteries have thinner wall layers and valves and move blood by the action of skeletal muscla d. Arteries are thin wafted and are used for gas exchange.8. What is the primary purpose of a cardiac monitor? Oa. To measure blood pressure Ob. To measure oxygen saturation in the blood Oc. To measure heart rate and rhythm Od. To measure respiratory rate
- 50. Rhythm that originates in the ventricles, which may produce a pulse. ⒸA. Asystole OB. Agonal rhythm OC. Ventricular tachycardia OD. Ventricular fibrillation5. What is the primary purpose of a defibrillator? Oa. To increase blood flow to the heart Ob. To decrease blood pressure Oc. To regulate the heart rhythm Od. To treat anaemia4. The aortic semilunar valve has? pocketlike flaps of tissue. 5. The ? are fibrous structures that prevent the cuspid valves from prolapsing (bending backward). 6. One-way flow of blood from the right ventricle is ensured by the presence of the_ ? valve. umal mou allow hlond to onter the
- 17. Which practice may weaken ou circulaiory system? A. Having a dsiiy execise B. Staying up iaie at nght 18. What is being described in this stuation: it makes the arteries hard caused by high consumption oi a faly diet t'iat leaves fat deposits on the lining of the blood vessels. A. Atherosciercsis B Hyperlension 19. Which practice nay strengthen our circulatory system? A. Cigaraite Crnoking B. Having a daly exercise C. Staying up iete at night D. Eating jun foods everydav C. Taking vitamins every day D. Avoiding vices like smoking C. Pneumonia D. Stroke ert xo m wol C AT 8 abookd book beFor the average healthy human, why is the pulse rate lower immediately upon standing compared the the pulse rate in the reclining position? (Mark all that apply) When reclining, there is a gravitational force working on our body the allows the heart to exert less pressure to pump blood to the head without working against gravity O When we stand up, immediately the pulse rate goes down due to the hearts current state of exerting less force while in the reclining position. O The heart has to work harder against gravity to pump blood to all regions of the body when in the reclining position7. Trace the blood flow for the following situations: a. From the capillary beds of the left thumb to the capillary beds of the right thumb ainsib. From the pulmonary vein to the pulmonary artery by way of the right side of the brain. to pnih s mot of ets Review Sheet 21 Showis 275 W 24
- 1. which of the following structutre controls heart rate monitoring conceratration of co2 and o2 ? a. ) barorecptor b. vagus nerve c. chemorecetors d. autorhythmic cell 2. ) when you taking blood pressure one collapes the brachial artery and then reduces presure in the cuff . As blood begins to flow again one writes down that pressure which represent ? a. systolic pressure b. aortic pressure flow c. diastolic pressure d. vavle pressuresluis 1. Arteries that supply blood to cardiac muscle 2. Layer of heart wall containing cardiac muscle 3. Extensions of the atria alsoq ard 4. Heart is located here (area between the lungs)Which of the following are false about the inward rectifier? OA The inward rectifier current is carried by potassium OB. The inward rectifier carries inward current at potentials negative to the Nersnst potential for potassium under voltage clamp conditions. OC. The inward rectifier current obeys Ohm's law. OD. The inward rectifier is absent in the sino-atrial node. OE All of the above are true.