Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

2A STRASINGER CHAPTER QUESTIONS > 11 SEMEN > Flashcards

11 SEMEN Flashcards

1
Q

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

A

C. Epididymis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

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

A

B. Fructose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

If the first portion of a semen specimen is not collected, the semen analysis will have which of the following?
A. Decreased pH
B. Increased viscosity
C. Decreased sperm count
D. Decreased sperm motility

A

C. Decreased sperm count

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Failure of laboratory personnel to document the time a semen specimen is collected primarily affects the interpretation of semen:
A. Appearance
B. Volume
C. pH
D. Viscosity

A

D. Viscosity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

B. Antispermicide in the condom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

An increased semen pH may be caused by:
A. Poorly developed seminal vesicles
B. Increased prostatic secretions
C. Obstruction of the ejaculation duct
D. Prostatic infection

A

D. Prostatic infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The normal sperm concentration is:
A. Less than 20 million/µL
B. More than 20 million/mL
C. Less than 20 million/mL
D. More than 20 million/µL

A

B. More than 20 million/mL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

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/mL
B. 83 million/mL
C. 86 million/mL
D. 169 million/µL

A

B. 83 million/mL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Given the following information: dilution, 1:20; sperm counted in
five RBC squares on each side of the hemocytometer,
80 and 86; volume, 3 mL, 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/mL
B. 166 million per ejaculate
C. 16.6 million/mL
D. 50 million per ejaculate

A

C. 16.6 million/mL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

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/mL
C. Sperm count is greater than 5 million/mL
D. Sperm concentration is abnormal

A

A. Specimen should be rediluted and counted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

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

A

B. Within 1 hour of collection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

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

A

B. 50%

17
Q

The purpose of the acrosomal cap is to:
A. Penetrate the ovum
B. Protect the nucleus
C. Create energy for tail movement
D. Protect the neckpiece

A

A. Penetrate the ovum

18
Q

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

A

C. Midpiece

19
Q

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

A

A. Head

20
Q

The morphological shape of a normal sperm head is:
A. Round
B. Tapered
C. Oval
D. Amorphous

A

C. Oval

21
Q

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

22
Q

Additional parameters measured by Kruger’s strict morphology include all of the following except:
A. Vitality
B. Presence of vacuoles
C. Acrosome size
D. Tail length

A

A. Vitality

23
Q

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

24
Q

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

A

B. 1.5 million

25
Q

After 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

26
Q

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

A

B. Seminal fluid fructose

27
Q

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

28
Q

Measurement of α-glucosidase is performed to detect a
disorder of the:
A. Seminiferous tubules
B. Epididymis
C. Prostate gland
D. Bulbourethral glands

A

B. Epididymis

29
Q

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

30
Q

After 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

31
Q

Standardization of procedures and reference values for
semen analysis is provided primarily by the:
A. Manufacturers of instrumentation
B. WHO
C. Manufacturers of control samples
D. Clinical Laboratory Improvement Amendments

A

B. WHO

2A STRASINGER CHAPTER QUESTIONS (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions