13 Jun BIOS 1030 – Based on Emily’s hematocrit levels what might she be at risk
Question
Practice at home Quiz 4 – Covers 2nd half of chapter 6, 8 and 7.
Use the information in the chart below to answer questions 1-4.
Emily is a 39-year old marathon runner. She runs on average 6-8 marathons a year and has since her late 20’s. Recently, she has not been feeling well with bouts of headaches, diarrhea and general stomach upset about once or twice a week. Emily skipped her annual check-up the past two years and decided to see a doctor about her symptoms. Help Emily out by reading her blood work and answering the questions below. Remember white blood cell increase when needed.
Emily’s values
Normal range
Blood pressure
110/75 mm Hg
Look in notes
Blood type
A
Platelets
0.5%
less than 1%
Iron
120 ug/dL
60-160 μg/dL
Hematocrit
52%
Look in notes
Red blood cell count
7.1 million/μL/cu mm
4.2-6.9 million/μL/cu mm
White blood cell count:
Neutrophil
55%
40-60%
Eosinophil
13%
3-8%
Basophil
< 1% 0-1% Lymphocyte 25% 20-35% Monocyte 6% 4-10% Total cholesterol 180 Look in notes HDL 60 Look in notes LDL 120 Look in notes pH 7.38 7.35-7.45 Calcium 9.2 mg/dL 8.5-10.5 mg/dL Sodium 135 mEq/L 135-145 mEq/L Given the lab test results for Emily answer the following questions: 1. Based on Emily’s hematocrit levels what might she be at risk for? A. leukemia B. anemia C. cancer D. mononucleosis E. heart attack 2. Emily’s: A. low neutrophil levels will not allow her to fight off bacterial infections B. blood pressure is too low and is likely contributing to her sickness C. blood work suggests she is at risk for osteoporosis D. HDL levels should be as low as possible to ensure proper cholesterol levels E. total cholesterol levels are within a normal range 3. Based on the white blood cell information given (think about what is out of the normal range and what is the function of those cells), what might be infecting Emily that is making her ill? A. virus B. bacteria C. parasite D. fungus E. both A and B 4. If Emily were injured and needed blood, which of the following blood type(s) could she receive? (use your understanding of antigens and antibodies found in this/these blood type(s) to answer this) Blood type: A. O B. AB C. B D. both O or AB A. left atrium B. left ventricle C. lungs D. body E. right atrium 6. Which of the following is true of blood vessels? A. capillaries are thick to allow the transport of many materials without any leaking B. arteries have a large hollow center/lumen in order to store blood C. arteries have valve systems to help the blood flow and to decrease backflow D. veins are made of one layer of epithelial tissue E. veins carry blood to the right and the left sides of the heart 7. Canada geese are known to travel thousands of miles from their summer to their winter habitat. What would you expect to find in the majority of their breast muscle fibers knowing they are needed for these long migrations? A. light color with few blood vessels B. high number of mitochondria C. high amounts of stored glycogen D. fast ATP breakdown E. no myoglobin 8. Which of the following is TRUE about blood cells (white or red)? A. the kidney produces a hormone that regulates red blood cell production B. neutrophils are responsible for allergies and other improper immune responses C. macrophages are lymphocytes that have moved into tissues D. white blood cells make up a large portion (percentage) of our blood because they have such important functions E. athletes blood dope to increase the amount of hemoglobin molecules in individual red blood cells 9. Which of the following is FALSE regarding coronary artery disease (CAD)? A. LDL is the “bad” cholesterol that can build up in the wall of an artery to form a plaque B. hypertension is easy to recognize and does not go unnoticed very often because it has many symptoms associated with it C. coronary bypass surgery can be used to bypass a blocked artery and thus redirect blood flow D. balloon angioplasty may be used to help widen an artery that has been narrowed by plaque E. coronary artery disease is the leading cause of death from cardiovascular disease in the US 10. Michael has been lifting weights every other day for 6 months. He trains both his legs and arms on alternating days. Which of the following is/are likely to have increased the most in his muscle fibers? A. # of myofibrils B. # of mitochondria C. amount of myoglobin D. # of blood vessels
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