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AUBF > Stras: Semen > Flashcards

Stras: Semen Flashcards

1
Q
  1. Maturation of spermatozoa takes place in the:
    A. Sertoli cells
    B. Seminiferous tubules
    C. Epididymis
    D. Seminal vesicles
A

C. Epididymis

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2
Q
  1. Enzymes for the coagulation and liquefaction of semen are produced by the:
    A. Seminal vesicles
    B. Bulbourethral glands
    C. Ductus deferens
    D. Prostate gland
A

D. Prostate gland

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3
Q
  1. The major component of seminal fluid is:
    A. Glucose
    B. Fructose
    C. Acid phosphatase
    D. Citric acid
A

B. Fructose

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4
Q
  1. If the first portion of a semen specimen is not collected, the semen analysis will have an abnormal:
    A. ph
    B. Viscosity
    C. Sperm concentration
    D. Sperm motility
A

C. Sperm concentration

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5
Q
  1. Failure of laboratory personnel to document the time a semen sample is collected primarily affects the interpretation of semen:
    A. Appearance
    B. Volume
    C. ph
    D. Viscosity
A

D. Viscosity

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6
Q
  1. Liquefaction of a semen specimen should take place within:
    A. 1 hour
    B. 2 hours
    C. 3 hours
    D. 4 hours
A

A. 1 hour

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7
Q
  1. A semen specimen delivered to the laboratory in a condom has a normal sperm count and markedly decreased sperm motility. This is indicative of:
    A. Decreased fructose
    B. Antispermicide in the condom
    C. Increased semen viscosity
    D. Increased semen alkalinity
A

B. Antispermicide in the condom

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8
Q
  1. An increased semen ph may be caused by:
    A. Prostatic infection
    B. Decreased prostatic secretions
    C. Decreased bulbourethral gland secretions
    D. All of the above
A

D. All of the above

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9
Q
  1. Proteolytic enzymes may be added to semen
    specimens to:
    A. Increase the viscosity
    B. Dilute the specimen
    C. Decrease the viscosity
    D. Neutralize the specimen
A

C. Decrease the viscosity

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10
Q
  1. The normal sperm concentration is:
    A. Below 20 million per microliter
    B. Above 20 million per milliliter
    C. Below 20 million per milliliter
    D. Above 20 million per microliter
A

B. Above 20 million per milliliter

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11
Q
  1. Given the following information, calculate the
    sperm
    concentration: dilution, 1:20; sperm counted in five
    RBC squares on each side of the hemocytometer, 80
    and 86; volume, 3 mL.
    A. 80 million per milliliter
    B. 83 million per milliliter
    C. 86 million per milliliter
    D. 169 million per microliter
A

B. 83 million per milliliter

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12
Q
  1. Using the above information, calculate the sperm concentration when 80 sperm are counted in 1 WBC square and 86 sperm are counted in another WBC square.
    A. 83 million per milliliter
    B. 166 million per ejaculate
    C. 16.6 million per milliliter
    D. 50 million per ejaculate
A

C. 16.6 million per milliliter

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13
Q
  1. The primary reason to dilute a semen specimen before performing a sperm concentration is to:
    A. Immobilize the sperm
    B. Facilitate the chamber count
    C. Decrease the viscosity
    D. Stain the sperm
A

A. Immobilize the sperm

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14
Q
  1. When performing a sperm concentration, 60 sperm are counted in the RBC squares on one side of the hemocytometer and 90 sperm are counted in the RBC squares on the other side. The specimen is diluted 1:20. The:
    A. Specimen should be rediluted and counted
    B. Sperm count is 75 million per milliliter
    C. Sperm count is greater than 5 million per milliliter
    D. Sperm concentation is abnormal
A

A. Specimen should be rediluted and counted

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15
Q
  1. Sperm motility evaluations are performed:
    A. Immediately after the specimen is collected
    B. Within 1–2 hours of collection
    C. After 3 hours of incubation
    D. At 6-hour intervals for one day
A

B. Within 1–2 hours of collection

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16
Q
  1. Sperm motility is evaluated on the basis of:
    A. Speed
    B. Direction
    C. Tail movement
    D. Both A and B
A

D. Both A and B

17
Q
  1. The percentage of sperm showing average motility that is considered normal is:
    A. 25%
    B. 50%
    C. 60%
    D. 75%
A

B. 50%

18
Q
  1. All of the following are grading criteria for sperm motility except:
    A. Rapid straight-line movement
    B. Rapid lateral movement
    C. No forward progression
    D. No movement
A

B. Rapid lateral movement

19
Q
  1. The purpose of the acrosomal cap is:
    A. Ovum penetration
    B. Protection of the nucleus
    C. Energy for tail movement
    D. Protection of the neckpiece
A

A. Ovum penetration

20
Q
  1. The sperm part containing a mitochondrial sheath is the:
    A. Head
    B. Neckpiece
    C. Midpiece
    D. Tail
A

C. Midpiece

21
Q
  1. All of the following are associated with sperm motility except the:
    A. Head
    B. Neckpiece
    C. Midpiece
    D. Tail
A

A. Head

22
Q
  1. The morphologic shape of a normal sperm head is:
    A. Round
    B. Tapered
    C. Oval
    D. Amorphous
A

C. Oval

23
Q
  1. Normal sperm morphology when using the WHO criteria is:
    A.> 30% normal forms
    B. <30% normal forms
    C. >15% abnormal forms
    D. <15% normal forms
A

A.> 30% normal forms

24
Q
  1. Additional parameters measured by Kruger strict morphology include all of the following except:
    A. Viability
    B. Presence of vacuoles
    C. Acrosome size
    D. Tail length
A

A. Viability

25
Q
  1. Round cells that are of concern and may be included in sperm counts and morphology analysis are:
    A. Leukocytes
    B. Spermatids
    C. RBCs
    D. Both A and B
A

D. Both A and B

26
Q
  1. If 5 round cells per 100 sperm are counted in a sperm morphology smear and the sperm concentation is 30 million, the concentraton of
    round cells is:
    A. 150,000
    B. 1.5 million
    C. 300,000
    D. 15 million
A

B. 1.5 million

27
Q
  1. Following an abnormal sperm motility test with a normal sperm count, what additional test might be ordered?
    A. Fructose level
    B. Zinc level
    C. Mar test
    D. Eosin-nigrosin stain
A

D. Eosin-nigrosin stain

28
Q
  1. Follow-up testing for a low sperm concentration would include testing for:
    A. Antisperm antibodies
    B. Seminal fluid fructose
    C. Sperm viability
    D. Prostatic acid phosphatase
A

B. Seminal fluid fructose

29
Q
  1. The immunobead test for antisperm antibodies:
    A. Detects the presence of male antibodies
    B. Determines the presence of IgG, IgM, and IgA
    antibodies
    C. Determines the location of antisperm antibodies
    D. All of the above
A

D. All of the above

30
Q
  1. Measurement of x0007-glucosidase is performed to detect a disorder of the:
    A. Seminiferous tubules
    B. Epididymis
    C. Prostate gland
    D. Bulbourethral gland
A

B. Epididymis

31
Q
  1. A specimen delivered to the laboratory with a request for prostatic acid phosphatase and glycoprotein p30 was collected to determine:
    A. Prostatic infection
    B. Presence of antisperm antibodies
    C. A possible rape
    D. Successful vasectomy
A

C. A possible rape

32
Q
  1. Following a negative postvasectomy wet preparation, the specimen should be:
    A. Centrifuged and reexamined
    B. Stained and reexamined
    C. Reported as no sperm seen
    D. Both A and B
A

A. Centrifuged and reexamined

33
Q
  1. Standardization of procedures and reference values for semen analysis is primarily provided by the:
    A. Manufacturers of instrumentation
    B. WHO
    C. Manufacturers of control samples
    D. Clinical laboratory improvement amendments
A

B. WHO

AUBF (38 decks)

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