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A 47 year old teacher goes to her physician complaining of dizziness, fainting, and shortness of breath. She appears pale and chronically ill. Her heart rate is 70/min supine and 68/min sitting and standing. Her blood pressure is 120/74 supine, 98/54 sitting, and 84/48 standing. Heart sounds and lung sounds are normal. Her abdominal exam and her general neurologic exam are both normal. Routine lab exams are normal.
A. Identify any abnormal data in the description of this patient.?
Several studies were performed to evaluate the patient's circulatory control mechanisms. She was placed on a tilt table which allows rapid changes in the patient's orientation. Her blood pressure while supine was 102/60. She was then tilted to a 45º heads-up position and her blood pressure fell to 70/35. There was no change in her heart rate when tilted.
B. What possible mechanisms could account for this result?
What is the difference between sub therapeutic and therapeutic antibiotics?
In a cell about to undergo meiosis there are 2-pairs of homologous chromosomes. Genes D and d occur on different members of one pair of chromosomes.
Explain the structure of a flagellum and how it operates and what are the four main types of flagellar arrangement?
A.Decreased competition between two species leads to increased niche specialization.
Face and body creams that are marketed to women in order to "rejuvenate the skin, and get rid of the fine lines and wrinkles" consists of large quantities of collagens.
Deduce the inheritance of these phenotypes; use clearly defined genetic symbols of your own invention. State the genotypes of all 3 generations and the genotypic proportions of the F1 and F2.
What substance is known as the "spreading factor?" How does the "spreading factor" aid an organism in its quest to penetrate the host cell? What is the dissimilarity between net primary production and net primary productivity.
We did a lab experiment where we compared the amount of protein in apoptotic and normal cells. Im trying to write my discussion but don't know if we would expect to find more protein in the apoptotic cells or the normal cells. I have asked this qu..
what ways are the mechanisms of action similar. CA2+, IP3, and cAMP have all been described as second messengers.
Some proponents argue that the "damage" hypothesis makes more sense from an evolutionary perspective, claiming that it is more advantageous for an organism's defence system to respond to tissue damage than to the mere presence of a foreign microbe. D..
Describe the substrates/products that link the light reactions of photosynthesis to the Calvin cycle.
Also glucose technically doesn't have a carbonyl functional group then because it is broken when the ring structure is formed? Is it a random chance that either alpha or beta glucose is formed.
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