Hematology
Hematology question 1: The majority of the iron in an adult is found as a constituent of:
a. hemoglobin
b. hemosiderin
c. myoglobin
d. transferrin
Answer: a. hemoglobin
374. Prior to initiating a blood transfusion, the transfusionist and another qualified individual must
a. match the blood component to the recipient using 2 independent identifiers
b. verify that the recipient's vital signs are within normal limits
c. review the patient's medical record to verify the need for a transfusion
d. order a baseline hemoglobin and hematocrit before the transfusion is started
Answer: a
In skin tests what is a wheal and flare indicative of
immediate hypersensitivity pg. 648
45 (page 115). Which of the following lipid results would be expected to be falsely elevated on a serum specimen from a non-fasting patient?
Cholesterol
Triglyceride
HDL
LDL
Triglyceride
The proper blood-to-broth ratio for blood cultures to reduce the antibacterial effect of serum in adults is:
1:10
Hematology question 65: The characteristic morphologic feature in lead poisoning is:
a. macrocytosis
b. target cells (codocytes)
c. basophilic stippling
d. rouleaux formation
Answer: c. basophilic stippling
317. Guidelines for emergency release of blood require that:
a ABO group and Rh typing of recipient be performed before the unit is released
b only group O Whole Blood be issued
c only Rh-negative blood is used for Rh-negative patients
d the physician signs a document authorizing the emergency release
Answer: d
Graft vs host disease is initiated by
donor pg. 651
61 (page 117) A breakdown product of hemoglobin is:
a. Lipoprotein
b. Bilirubin
c. Hematoxylin
d. Bence Jones protein
Bilirubin
A sputum specimen is recieved for a culture & gram stain. The gram-stained smear from this specimen is seen in the image (total magnification 100x) What would be the technologist’s best course of action? (Refer to google doc for image)
Call the patient care area and request a new specimen (p 486)
Hematology question 5: In order for hemoglobin to combine reversibly with oxygen, the iron must be:
a. complexed with haptoglobin
b. freely circulating in the cytoplasm
c. attached to transferrin
d. in the ferrous state
Answer: d. in the ferrous state
66. (Refer to the google doc for the image) The individual's most probable genotype is:
a DCe/DcE
b DcE/dce
c Dce/dce
d DCe/dce
Answer: d
Where is the alpha fetoprotein likely to be found it
Breast carcinoma pg. 651
19 (page 111) A patient with hemolytic anemia will:
a. Show a decrease in glycated Hb value
b. Show an increase in glycated Hb value
c. Show little or no change in glycated Hb value
d. Demonstrate an elevated HbA1
Show a decrease in glycated Hb value
Which of these specimen types is considered to be the most sensitive for the recovery of Brucella in cases of chronic infection?
Bone marrow (p. 489)
Hematology question 8: What is the composition of the inclusion seen in this RBC? (refer to google doc for the image)
a. DNA
b. RNA
c. iron
d. denatured hemoglobin
Answer: a. DNA
61. (Refer to the google doc for the image)
What is the gene frequency of Jka in this population?
а 0.31
b 0.45
c 0.55
d 0.60
Answer: c
Immunodeficiency with thrombocytopenia and eczema is often referred to as
wiskott Aldrich syndrome pg. 650
54 (page 133) The principle of the Biuret reaction is the result of the formation of a complex of:
a. CuSO4 with peptide bonds
b. NaNO3 with protein chains
c. BCG with albumin
d. Chromogen with amino acids
CuSO4 with peptide bonds
A patient with a prosthetic heart valve visits the dentist for her yearly checkup. She presents to her primary care physician 2 weeks later with a high fever, chills, and shortness of breath & receives a diagnosis of subacute endocarditis. Multiple blood culture sets are drawn on the patient and sent to the lab. The bottles are positive bacterial growth 24 hours later. Which organism would be expected to grow?
Streptococcus viridians (p. 489)
Hematology question 9: Which of the following ions is bound to hemoglobin in methemoglobin?
a. Ca2+
b. Fe3+
c. Fe2+
d. Mg2+
Answer: b. Fe3+
3.
Which of the following prospective donors would be accepted for donation?
a 32-year-old woman who received a transfusion in a complicated delivery 5 months previously
b 19-year-old sailor who has been stateside for 9 months and stopped taking his anti-malarial medication 9 months previously
c 22-year-old college student who has a temperature of 99.2°F (37.3°C) and states that he feels well, but is nervous about donating
d 45-year-old woman who has just recovered from a bladder infection and is still taking antibiotics
Answer: c
The 20nm shears and filamentous structures of HBV are what
circulating aggregates of HBsAg pg. 652
57 (page 117). The substance that is measured to estimate the serum concentration of triglycerides by most methods is:
a. Phospholipids
b. Glycerol
c. Fatty acids
d. Pre-beta lipoprotein
Glycerol
A cerebrospinal fluid specimen containing only two drops of CSF is collected by a lumbar puncture from a febrile 25-year-old male and is submitted for a stat gram stain and culture. The direct specimen Gram stain is reported as many neutrophils and no microorganisms seen. The remaining drop of CSF should be inoculated to:
BAP
CNA
CHOC
MTM
CHOC