Which of the following layers of a vessel contains collagen fibers with scattered bands of elastic fibers?
A) tunica intima
B) external elastic membrane
C) tunica media
D) internal elastic membrane
E) tunica externa
(
Question 2) The cells that are formed during spermatogenesis by meiosis I are called
A) spermatogonia.
B) primary spermatocytes.
C) secondary spermatocytes.
D) spermatids.
E) sperm.
(
Question 3) The layer between the tunica media and the tunica externa in a large artery is the
A) tunica intima.
B) external elastic membrane.
C) tunica media.
D) internal elastic membrane.
E) tunica externa.
(
Question 4) When spermatogonia divide, the daughter cells are called
A) spermatogonia.
B) spermatocytes.
C) spermatids.
D) sperm.
E) Sertoli cells.
(
Question 5) The smallest arterial branches are called the
A) muscular arteries.
B) arterioles.
C) capillaries.
D) venules.
E) veins.
(
Question 6) Sperm develop from stem cells called
A) spermatogonia.
B) primary spermatocytes.
C) secondary spermatocytes.
D) spermatids.
E) sperm.
(
Question 7) Capillaries that have a complete lining are called
A) continuous capillaries.
B) fenestrated capillaries.
C) sinusoidal capillaries.
D) sinusoids.
E) vasa vasorum.
(
Question 8) The nurse cells of the seminiferous tubules do all of the following except
A) maintain the blood testis barrier.
B) support spermiogenesis.
C) secrete inhibin.
D) secrete testosterone.
E) secrete androgen-binding protein.
(
Question 9) Compared to arteries, veins
A) are rounder in a sectional cut.
B) have more smooth muscle in their tunica media.
C) have a pleated endothelium.
D) have thinner walls.
E) hold their shape better when cut.
(
Question 10) Kevin has been experiencing difficulty urinating now that he is over the age of 60. The doctor examines his prostate gland and finds no evidence of inflammation. Furthermore, Kevin's PSA test is normal. It is most likely that Kevin is suffering from
A) impotence.
B) prostate cancer.
C) benign prostatic hypertrophy.
D) prostatitis.
E) male climacteric.
Quick Reply
