Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Chapter 18, Problem 36CTQ
A lab technician collects a blood sample in a glass tube. After about an hour, she harvests serum to continue her blood analysis. Explain what has happened during the hour that the sample was in the glass tube.
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A lab technician collects a blood sample in a glass tube. After about an hour, she harvests serum to continue her blood analysis. Explain what has happened during the hour that the sample was in the glass tube.
In Figure 1.16, blood samples are taken from a gate (U), an injured woman (S1), and her former husband (S2). The woman claimed that she as attacked by her former husband. The man had a cut on his hand, which he explained as a cut from a broken water glass. Is the unknown sample from her wound, from her former husband, or from an unknown third person?
Answer: The unknown sample is from her wound.
-From the same case, a second blood sample was collected from a stain on the floor of the former husband's home (Figure 1.17). Is this stain from the woman, her former husband, or an unknown third person?
Answer: The stain on the floor is from her former husband.
A third blood sample was collected from a knife in the alley two blocks from the woman's home (Figure 1.18). Is this stain from the woman, her former husband, or an unknown third person?
Answer: It is from an…
Why is venipuncture a common technique for obtaining a blood sample?
Chapter 18 Solutions
Anatomy & Physiology
Ch. 18 - Visit this site...Ch. 18 - Watch this video...Ch. 18 - Figure 18.13 Are you able to recognize and...Ch. 18 - View these animations...Ch. 18 - Which of the following statements about blood is...Ch. 18 - Which of the following statements about albumin is...Ch. 18 - Which of the following plasma proteins is not...Ch. 18 - Which of the formed elements arise from myeloid...Ch. 18 - Which of the following statements about...Ch. 18 - Interleukins are associated primarily with which...
Ch. 18 - Which of the following statements about mature,...Ch. 18 - A molecule of hemoglobin ________. is shaped like...Ch. 18 - The production of healthy erythrocytes depends...Ch. 18 - Aging and damaged erythrocytes are removed from...Ch. 18 - A patient has been suffering for 2 months with a...Ch. 18 - The process by which leukocytes squeeze through...Ch. 18 - Which of the following describes a neutrophil?...Ch. 18 - T and B lymphocytes ________. are...Ch. 18 - A patient has been experiencing severe, persistent...Ch. 18 - Thrombocytes are more accurately called ________....Ch. 18 - The first step in hemostasis is ________. vascular...Ch. 18 - Prothrombin is converted to thrombin during the...Ch. 18 - Hemophilia is characterized by ________....Ch. 18 - The process in which antibodies attach to...Ch. 18 - People with ABO blood type O ________. have both...Ch. 18 - Hemolytic disease of the newborn is a risk during...Ch. 18 - A patients hematocrit is 42 percent. Approximately...Ch. 18 - Why would it be incorrect to refer to the formed...Ch. 18 - True or false: The buffy coat is the portion of a...Ch. 18 - Myelofibrosis is a disorder in which inflammation...Ch. 18 - Would you expect a patient with a form of cancer...Ch. 18 - A young woman has been experiencing unusually...Ch. 18 - A patient has thalassemia, a genetic disorder...Ch. 18 - One of the more common adverse effects of cancer...Ch. 18 - A patient was admitted to the burn unit the...Ch. 18 - A lab technician collects a blood sample in a...Ch. 18 - Explain why administration of a thrombolytic agent...Ch. 18 - Following a motor vehicle accident, a patient is...Ch. 18 - In preparation for a scheduled surgery, a patient...
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- (b) A man with a history of pneumonia disease went to hospital for a blood test. He was required to perform arterial puncture. Justify why blood obtained from arterial puncture is suitable compared to other blood withdraw procedures such as venipuncture and skin puncture.arrow_forward5.Answer below question. The co-anchor for a local television station newscast comes to a clinic for a blood test. The phlebotomist recognizes her immediately. They have a pleasant conversation while the phlebotomist draws the speci- men. Later that evening the phlebotomist says to her husband, “Guess who I drew today?” She then pro-ceeds to tell him the co-anchor’s name, adding,“She is probably bipolar because I drew a lithium level on her.” Questions1. What mistake did the phlebotomist make? 2. What law was violated by her actions? 3. What legal action could result?.arrow_forwardTwo men have observed blood in their stool. One states that the blood is bright red. The other claims his stool is black. Could they both be correct?arrow_forward
- If the physician decides to give red blood cells to the patient, are there any special considerations given to the blood product? Justify your answer. If the patient's transfusion reactions history suggests anaphylactic reactions, which blood component should be given? Justify your answer.arrow_forwardYou've made a fingerstick on a patient, and you don't seem to get enough blood. This patient is a construction worker with large, callused hands. How would you respond to this situation and justify the problem?arrow_forwardIf a technician collect 1 ml blood in 2.5 ml light blue tube:a) Reject the sample and cancel the testb) No problem, this is normal ratioc) Have the sample re-takend) Consult your supervisore) Report to physicianarrow_forward
- Why is it important to match the donor and recipient’s blood type for products given during liver transplant surgeryarrow_forwardRomel extracted a blood sample from an in-patient. Accidentally, he punctured himself using the needle used in the venipuncture. When the blood sample taken from the patient was tested with HbsAg, it turned out positive. What are the next steps should Romel do?arrow_forwardA patient is brought to the hospital with major trauma during a mass casualty event. Because her injuries are critical and staff is limited, there is no time to obtain a blood type. What type of blood will be given to the patient and why?arrow_forward
- Melinda was working the day shift in the hematology laboratory. The laboratory’s protocol called for three levels of blood cell controls to be run at the following times: 1) at the beginning of the shift, 2) within each run of patient samples during the day and 3) any times reagents were changed. The mean for the low (abnormal) control for the red blood cell count was given as 2.00 x 10^12/L, the standard deviation was 0.15, and the confidence limit (acceptable control range) was 2.00 x 10^12/L +/- 2sd (or +/- 0.3). The first morning low control result was 2.10 (x 10^12/L). In five subsequent runs, the low control results were 2.16, 2.19, 2.20, 2.22 and 2.25. 1. Do these values represent a shift, a trend, or neither? 2. Should Melinda be concerned about these values? Explain. 3. Does Melinda need to take any action?arrow_forwardWhy is touching the filter paper on the skin avoided when blotting the flow of blood in doing bleeding time determination?arrow_forwardJoe Smoker is an overweight 57-year-old white male who was mowing his lawn when he experienced sharp chest pain along with pain in his left arm. His wife rushed him to the hospital, fearing that he was having a heart attack. In the clinic, the physician examined Joe and sent him for an electrocardiogram (ECG) and blood work. A. What laboratory tests will lead the physician to the diagnosis of the patient? B. What is the probable diagnosis of the patient? C. List and discuss some risk factors of the disease.arrow_forward
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