SPERM MORPHOLOGY Flashcards
motivating WAHAHAHAH
Which part of the sperm cell contains the mitochondrial sheath?
A) Head
B) Neck/Middle Piece
C) Tail
D) Flagella
Answer: B) Neck/Middle Piece
What is the length of the tail of a typical sperm cell?
A) 35um
B) 45um
C) 55um
D) 65um
B) 45um
hat percentage of the sperm head should the acrosomal cap occupy?
A) 1/4
B) 1/2
C) 2/3
D) 3/4
Answer: C) 2/3
Which part of the sperm cell contains the mitochondrial sheath?
A) Head
B) Neck/Middle Piece
C) Tail
D) Flagella
Answer: B) Neck/Middle Piece
What is the primary function of the tail of a sperm cell?
A) Attaches the tail to the head
B) Contains the acrosomal cap
C) Provides energy for flagellar motion
D) Propels the sperm cell forward
Answer: D) Propels the sperm cell forward
Which part of the sperm provides energy for flagellar motion?
A. Acrosomal cap
B. Mitochondrial sheath
C. Tail
D. Head
B. Mitochondrial sheath
What staining method is commonly used for evaluating sperm cells under OIO examination?
A) Giemsa stain
B) Papanicolaou stain
C) Wright’s stain
D) All of the above
Answer: D) All of the above
Which stain is considered the stain of choice for evaluating sperm cells under OIO examination?
A) Giemsa stain
B) Papanicolaou stain
C) Wright’s stain
D) None of the above
Answer: B) Papanicolaou stain
hat is the normal value for sperm cells under Kruger’s Strict Criteria?
A) >30% normal
B) >14% normal
C) <30% abnormal
D) <14% abnormal
Answer: B) >14% normal
Which abnormality is associated with decreased motility and clumping of sperm?
A) Lack of seminal vesicle support medium
B) Male antisperm antibodies
C) Decreased count
D) Sperm agglutination with female serum
B) Male antisperm antibodies
What is the primary cause of decreased count in sperm analysis?
A) Lack of seminal vesicle support medium
B) Female antisperm antibodies
C) Viability assessed by Eosin-nigrosin stain
D) Fructose level abnormality
A) Lack of seminal vesicle support
Which test is used to detect male antisperm antibodies in sperm analysis?
A) Mixed agglutination and immunobead tests
B) Fructose level
C) Eosin-nigrosin stain
D) Lack of seminal vesicle support medium
A) Mixed agglutination and immunobead tests
What test is commonly used to assess viability in sperm analysis?
A) Fructose level
B) Eosin-nigrosin stain
C) Lack of seminal vesicle support medium
D) Mixed agglutination and immunobead tests
B) Eosin-nigrosin stain
What color are living sperm cells stained with Eosin-Nigrosin?
A) Red
B) Blue
C) Purple
D) Bluish-white
D) Bluish-white
What is the primary indicator of sperm viability in the Bloom’s test?
A) Presence of male antisperm antibodies
B) Percentage of living cells in the sperm sample
C) Fructose concentration in semen
D) Sperm motility
B) Percentage of living cells in the sperm sample
What is considered normal under this test?
A) 50% living cells/100 sperm cells
B) 75% living cells/100 sperm cells
C) 90% living cells/100 sperm cells
D) 65% living cells/100 sperm cells
Answer: B ) 75% living cells/100 sperm cells
How are dead cells identified in this test?
A) Bluish-White in color
B) Green against a White Background
C) Red against a Purple Background
D) Black against a Yellow Background
Answer: C) Red against a Purple Background
Which test involves boiling a semen sample with a reagent to produce an orange-red color as a screening test for fructose?
A) Resorcinol Test
B) Spectrophotometric Test
C) Microscopic examination
D) Immunobead test
A) Resorcinol Test
What is the normal value for fructose level in semen as quantitated by spectrophotometric testing?
A) ≥10 umol/ejaculate
B) ≥13 umol/ejaculate
C) ≥15 umol/ejaculate
D) ≥20 umol/ejaculate
Answer: B) ≥13 umol/ejaculate
Why is freezing semen samples sometimes recommended before Fructose Testing?
A) To increase fructose levels
B) To prevent fructolysis
C) To enhance sperm motility
D) To decrease sperm count
B) To prevent fructolysis
Which chemical value indicates a disorder of the epididymis when it’s less than the normal value?
A) Fructose
B) Neutral α-glucosidase
C) Zinc
D) Citric acid
B) Neutral α-glucosidase
Which chemical value indicates a lack of prostatic fluid when it’s less than the normal value?
A) Acid phosphatase
B) Zinc
C) Citric acid
D) Neutral α-glucosidase
A) Acid phosphatase
B) Zinc
C) Citric acid
D) Neutral α-glucosidase
How do antisperm antibodies (ASA) affect the blood-testes barrier?
A) They strengthen the barrier
B) They have no effect on the barrier
C) They destroy the barrier
D) They block sperm production
C) They destroy the barrier
What is the primary method used to detect IgG antibodies associated with antisperm antibodies (ASA)?
A) Immunobead test
B) Mixed agglutination reaction (MAR)
C) Fructose test
D) Spectrophotometric test
B) Mixed agglutination reaction (MAR)
