Male system
Understanding Male Reproductive Biology Quiz
Test your knowledge on male reproductive biology with our comprehensive quiz! Dive into topics like spermatogenesis, hormonal regulation, and the anatomy of the male reproductive system.
- 10 challenging multiple choice questions
- Explore key concepts in male reproductive health
- Enhance your understanding and retention of biological principles
Each of the following statements concerning the spermatogenetic stage of proliferation is true, EXCEPT
Stem cells divide to give rise to two daughter cells: one remains as a stem cell, the other is committed spermatogonium
Stem cells undergo meiotic divisions
Committed spermatogonia undergo several successive divisions to increase their number;
The daughter cells of committed spermatogonium remain connected by cytoplasmic bridges
The following transformations of the spermatid take place in spermiogenesis (stage of formation), EXCEPT
The nucleus becomes decondensed
Mitochondria form the helical sheath round the axonemal complex
The distal centriole initiates formation of the axonemal complex, the proximal centriole remains near the nucleus
Each of the following statements concerning the testicular myoid cells is true, EXCEPT:
Their cytoplasm is rich in myofilaments;
Are surrounded by the basal laminae
Are not capable of collagen synthesis
Are involved in selective transport into and out of the seminiferous tubules.
Each of the following statements concerning the testicular Sertoli cells is true, EXCEPT:
Their basal portions rest on the basal lamina
Their apical portions have processes extending into the tubule lumen
Possess centrioles and are capable of division
Their plasma membranes have receptors for FSH and testosterone
Each of the following statements concerning the testicular Sertoli cell functions is true, EXCEPT:
Support spermatogenic cells
Provide the exchange of substances between spermatogenic cells and blood
Eliminate residual bodies and abnormal sperms
Provide peristaltic contractions of the seminiferous tubules
Each of the following statements concerning the compartmentalization of the seminiferous tubules is true, EXCEPT
Sertoli-Sertoli tight junctions establish basal and luminal compartments
Spermatogonia are in the basal compartment
Meiosis and spermiogenesis occur in the basal compartment
Primary spermatocytes pass from the basal compartment to the lumenal one due to the formation of a new transitional compartment
Each of the following statements concerning the testicular Leydig cells is true, EXCEPT
Are parts of the seminiferous epithelium;
Their cytoplasm is rich in sER, Golgi complex, vesicular mitochondria, and lipid droplets
Produce androgens, mainly testosterone
Their plasma membranes possess receptors for LH and estrogens
Each of the following statements concerning the hormonal regulation of the testis is true, EXCEPT:
FSH effects on the Sertoli cells and they produce ABP in testicular fluid
LH effects on the Leydig cells and they secrete testosterone
ABP concentrates testosterone within the tubules to regulate sperm maturation
Inhibin from Sertoli cells provides feedback with LH
Each of the following statements concerning the epididymis is true, EXCEPT
Has the head, body, and tail;
Sperm maturation in it is not androgen-dependent;
Sperms acquire motility passing through it;
Its epithelial cells secrete glycoproteins that are added to the sperm glycocalyx preventing from premature acrosomal reaction
Each of the following statements concerning the prostate gland is true, EXCEPT:
Surrounds the ejaculatory duct;
Its glands are mucosal, submucosal, and peripheral
The glandular epithelium depends on testosterone;
Its alveoli often contain concretions, especially in elderly males.
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