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1. The buildup of plaque in the walls of arteries and the narrowing of passages through which blood can flow results inA) AnemiaB) leukemiaC) atherosclerosisD) cancer
2. White blood cells play an important role inA) carrying oxygenB) fighting infectionsC) blood clottingD) hemoglobin transport3. Which of the following can cause anemia?A) mineral deficiencyB) some types of cancerC) excessive blood lossD) A & BE) A, B & C4. Plasma consists mostly ofA) white blood cellsB) red blood cellsC) dissolved salts such as sodiumD) water5. Which of the following is correct for a blood pressure reading of 120/80?A) the systolic pressure is 80; the diastolic pressure is 120B) the systolic pressure is 120; the diastolic pressure is 80C) the diastolic pressure is 120; pulse is 80 beats per minuteD) the systolic pressure is 80; pulse is 120 beats per minute6. Blood pressure is lowest inA) capillariesB) arteriesC) veinsD) arterioles7. Briefly explain how the structure of capillary walls is well suited to function. [2 pts]8. Damage to the SA (sinoatrial) node in humansA) is a major contributor to heart attacksB) would disrupt the normal rhythm cardiac contractionsC) results in a terminal diseaseD) would result in oxygen poor blood9. The circulation system in humans and other mammals is referred to as a “double circulation system”. This term refers toA) the presence of two heartsB) the presence of four heart chambersC) the pulmonary circuitD) the systemic circuitE) the pulmonary and systemic circuits10. Which of the following would be the correct path of blood flow as it returns from the lungs, flows through the heart and toward the body?A) pulmonary vein → left atrium → left ventricle → aortaB) pulmonary vein → right atrium → right ventricle → aortaC) pulmonary artery → left atrium → left ventricle → aortaD) pulmonary artery → right atrium → right ventricle → aorta11. The role of the lymphatic system is toA) fight infection in the body onlyB) return tissue fluid to the circulatory system onlyC) produce hormones that regulate the immune systemD) fight infection in the body and return tissue fluid to the circulatory systemE) fight infection in the body and produce hormones that regulate the immune system12. Which of the following play a role in preventing infection?A) healthy skinB) mucus membranes such as those found in the respiratory tractC) tearsD) A & BE) A, B & C
q1. suppose you are the lead scientist in a cytology lab studying active transport and cell eating. you have placed a
Male songbirds sing in spring because increasing daylength at this time stimulates testosterone production which spurs growth of song control circuits in the brains of male songbirds. Choose the best level of causation addressed by this explanatio..
Another dog, Billy, has three restriction sites for this enzyme in his genome. For this problem suppose there is only one chromosome in dogs.
Discuss the differences and similarities between bacteria and fungi. Include a comparison of size, cell type, reproduction, mode of deriving food, and good versus bad effects on other organisms and the environment. Be sure to give specific example..
Throughout exposure to elevated glucose, a yeast cell's membrane glucose transporters will rapidly increase so the cell can import glucose. Which will represent the yeast cell response.
In a protein sequence, which repeated sequence over a twenty amino acid stretch would most likely lead to insertion of a transmembrane domain into a lipid bilayer.
Compute the volume of a red blood cell, assuming the blood cell is disk shaped with a diameter of ten um and a thickness of 3 um.
q1. give the series of any six-base-pair dna molecule that can be affected by aminopurine. then show the results of
Give three examples in which post-transcriptional gene regulation is responsible for controlling gene expression in development.
how is it possible for cytokines, erythropoietin, and thrombopoietin to affect the concentrations of formed elements in the blood?
A batch animal cell culture has a productivity of 1.8 g/L*day, with a MUmax=0.5 days, a 10% inoculums and a turnaround time of 5 hours. If a continuous culture could operate at a dilution rate of 90% MUmax, explain what would be the productivity.
cigarette smoking remains the leading preventable cause of death in the united states causing an estimated 438000
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