Clin Path 4SE Samplex

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Last updated 6:00 PM on 7/27/26
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30 Terms

1
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  1. Transfer of functional group
    a. Oxidoreductase
    b. Transferase
    c. Hydrolase
    d. Lyase

b. Transferase

2
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  1. Bond formation coupled with ATP hydrolysis
    a. Hydrolases
    b. Lyases
    c. Isomerases
    d. Ligases

d. Ligases

3
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  1. The enzyme exhibits preformed steric and electronic complementarity to the substrate
    a. Lock-and-key model
    b. Induced-fit model
    c. Both
    d. None

a. Lock-and-key model

4
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  1. Inhibitor binds equally well whether or not substrate is present
    a. Competitive inhibition
    b. Uncompetitive inhibition
    c. Non-competitive inhibition
    d. All

c. Non-competitive inhibition

5
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  1. Flexible interaction of substrate with enzyme binding site
    a. Lock-and-key model
    b. Induced-fit model
    c. Both
    d. None

b. Induced-fit model

6
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  1. Inhibitor attaches to the enzyme binding site
    a. Competitive inhibition
    b. Uncompetitive inhibition
    c. Non-competitive inhibition
    d. All

a. Competitive inhibition

7
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  1. Inhibitor attaches to a different site from enzyme
    a. Competitive inhibition
    b. Uncompetitive inhibition
    c. Non-competitive inhibition
    d. All

c. Non-competitive inhibition

8
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  1. Group elimination to form double bonds
    a. Hydrolases
    b. Lyases
    c. Isomerases
    d. Ligases

b. Lyases

9
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  1. True about enzymes EXCEPT
    a. Protein catalysts
    b. Lower activation energy
    c. Binding specificity
    d. All of the choices

d. All of the choices

10
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  1. Binding specificity
    a. Lock-and-key model
    b. Induced-fit model
    c. Both
    d. None

a. Lock-and-key model

11
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  1. Specimen used in bioassay of hCG
    a. Plasma
    b. All of the above
    c. Serum
    d. Urine

d. Urine

12
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  1. FSH, LH, TSH & hCG share the same:
    a. Beta subunit
    b. Delta subunit
    c. None
    d. Alpha subunit

d. Alpha subunit

13
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  1. In early pregnancy, hCG is synthesized by:
    a. Pituitary gland
    b. Syncytiotrophoblast
    c. Corpus luteum
    d. Adrenal gland

b. Syncytiotrophoblast

14
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  1. Hormone more potent than testosterone
    a. DHEA
    b. DHT
    c. DHEAS
    d. Androstenedione

b. DHT

15
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  1. hCG statement EXCEPT
    a. Supports pregnancy until 10 weeks
    b. Luteotrophic hormone
    c. Larger beta subunit than LH
    d. Plateaus after first trimester

a. Supports pregnancy until 10 weeks

16
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  1. Principle of most home pregnancy tests
    a. Bioassay
    b. IRMA
    c. ELISA
    d. RRA

c. ELISA

17
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  1. LAI pregnancy test EXCEPT
    a. Serum is ideal sample
    b. Done on glass slides
    c. No agglutination = positive
    d. Takes few minutes

a. Serum is ideal sample

18
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  1. Type of anemia in pregnancy
    a. Iron deficiency
    b. Megaloblastic
    c. Neither
    d. Both

d. Both

19
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  1. Progesterone source during first 7–10 weeks
    a. Corpus luteum
    b. Placenta
    c. Hypothalamus
    d. Pituitary

a. Corpus luteum

20
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  1. NOT indication for hCG testing
    a. Ectopic pregnancy
    b. Hydatidiform mole
    c. Induced abortion monitoring
    d. Anencephalic fetus

d. Anencephalic fetus

21
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  1. CSF protein >150 mg/dL causes what color?
    a. Yellow
    b. Pink
    c. Orange
    d. Brown

a. Yellow

22
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  1. Majority of CSF is found in:
    a. Subarachnoid space
    b. Epidural space
    c. Ventricles
    d. Dura mater

a. Subarachnoid space

23
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  1. Tube used for CSF cell count
    a. Tube 4
    b. Tube 3
    c. Tube 1
    d. Tube 2

b. Tube 3

24
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  1. Test to confirm CSF fluid
    a. Protein electrophoresis
    b. Adenosine deaminase
    c. CK-BB
    d. IgG

c. CK-BB

25
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  1. Gold standard for viral meningitis
    a. Immunofluorescence
    b. Viral culture
    c. ELISA
    d. RT-PCR

d. RT-PCR

26
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  1. CSF glutamine >35 mg/dL indicates
    a. DKA
    b. Hepatic encephalopathy
    c. SAH
    d. Aseptic meningitis

b. Hepatic encephalopathy

27
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  1. Increased CSF glucose suggests
    a. No clinical significance
    b. DKA
    c. DM type 2
    d. Viral meningitis

a. No clinical significance

28
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  1. CSF becomes cloudy at
    a. >400 cells/µL
    b. >6000 cells/µL
    c. >150 mg/dL
    d. >200 cells/µL

d. >200 cells/µL

29
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  1. Most common cause of eosinophils in CSF
    a. Leukemia
    b. Allergic reaction
    c. Parasitism
    d. Fungal infection

c. Parasitism

30
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  1. Predominant leukocyte in normal CSF
    a. Neutrophils
    b. Monocytes
    c. Eosinophils
    d. Lymphocytes

d. Lymphocytes