Capillaries with a perforated lining are called
A) perforated capillaries.
B) discontinuous capillaries.
C) fenestrated capillaries.
D) sinuses.
E) vasa vasorum.
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Question 2) The ________ is the part of the sperm that contains the DNA.
A) head
B) neck
C) acrosome
D) zona pellucida
E) corona radiata
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Question 3) What structure do RBCs move through single-file?
A) artery
B) arteriole
C) capillary
D) venule
E) vein
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Question 4) Spermatids mature into sperm by the process of
A) spermiogenesis.
B) meiosis II.
C) spermatogenesis.
D) cytokinesis.
E) meiosis I.
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Question 5) These vessels may be continuous or fenestrated.
A) arteries
B) arterioles
C) capillaries
D) venules
E) veins
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Question 6) A male bodybuilder starts taking injections of testosterone (an anabolic steroid on a daily basis. After three weeks, you expect to observe all of the following, except
A) increased sex drive.
B) decreased levels of GnRH.
C) decreased levels of LH and FSH.
D) increased muscle mass.
E) decreased nurse cell stimulation.
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Question 7) A sample of tissue displays many large flattened spaces lined by fenestrated endothelium. Blood moves slowly through these spaces. This tissue sample most likely came from the
A) heart.
B) lungs.
C) liver.
D) kidneys.
E) skin.
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Question 8) A boy has a genetic mutation such that FSH is not produced, but LH is normal. After the boy grows to maturity, it is likely he will
A) not develop secondary sex characteristics.
B) be sterile.
C) be impotent.
D) have impaired function of the interstitial endocrine cells.
E) produce large amounts of inhibin.
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Question 9) You would expect to find fenestrated capillaries in
A) skeletal muscles.
B) cardiac muscle.
C) the pituitary gland.
D) bone.
E) skin.
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Question 10) Where in the male reproductive system would you expect to find the most mature sperm?
A) in the seminiferous tubules
B) in the head of the epididymis
C) near the tail of the epididymis
D) in the seminal gland
E) in the prostate gland
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