We have sent an email with your new password.


Chapter 27

44 Questions  I  By Grindler
Chapter 27

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
1.  ___ is/are generally accepted as a secondary sex characteristic.
A.
B.
C.
D.
E.
2.  Which of the following are primary sex organs?
A.
B.
C.
D.
E.
3.  Which of the following is a secondary sex organ?
A.
B.
C.
D.
E.
4.  Gonads begin to develop
A.
B.
C.
D.
E.
5.  ___ determine/s wether an organism will be genetically male or female.
A.
B.
C.
D.
E.
6.  The gene that codes for the testis-determining factor (TDF) is found in or on
A.
B.
C.
D.
E.
7.  The penis is homologous to
A.
B.
C.
D.
E.
8.  The ___ is the gonad and the ___ is the gamete
A.
B.
C.
D.
E.
9.  ___ stimulates the descent of the testes.
A.
B.
C.
D.
E.
10.  The ___ is an example of the female external genitalia.
A.
B.
C.
D.
E.
11.  From the formation to ejaculation, sperm cells take the following pathway:
A.
B.
C.
D.
12.  When it is cold, the ___ contracts and draws the testes closer to the body to keep them warm.
A.
B.
C.
D.
E.
13.  The countercurrent heat exchanger that prevents arterial blood from overheating the testes is
A.
B.
C.
D.
E.
14.  The blood-testis barrier
A.
B.
C.
D.
E.
15.  By volume, most of the semen is produced in the
A.
B.
C.
D.
E.
16.  ___ are not found in the seminiferous tubules.
A.
B.
C.
D.
E.
17.  The penile urethra is enclosed by the
A.
B.
C.
D.
E.
18.  Men have only ___ but have two of all the rest of these
A.
B.
C.
D.
E.
19.  Why would an enlarged prostrate interfere with urination?
A.
B.
C.
D.
E.
20.  The ___ is/are the site(s) of sperm maturation and storage.
A.
B.
C.
D.
E.
21.  All of the following play a role in thermoregulation of the testes except
A.
B.
C.
D.
E.
22.  When do the testes start secreting testosterone?
A.
B.
C.
D.
E.
23.  Which of the following hormones directly stimulates the development of male secondary sex characteristics?
A.
B.
C.
D.
E.
24.  Which of the following is an androgen?
A.
B.
C.
D.
E.
25.  ___ stimulates the interstitial cells of the testes to secrete ___
A.
B.
C.
D.
E.
26.  The ___ has/have no androgen receptors and do not respond to it.
A.
B.
C.
D.
E.
27.  Testosterone inhibits
A.
B.
C.
D.
E.
28.  Changes called male climacteric are a consequence of
A.
B.
C.
D.
E.
29.  In the process of spermiogenesis, ___ become ___
A.
B.
C.
D.
E.
30.  In meiosis, each parent cell produces
A.
B.
C.
D.
E.
31.  In spermatogenesis, only the final cells are called ___, but they and all the stages leading up to them can be called ___
A.
B.
C.
D.
E.
32.  At the end of meiosis I there are ___, whereas at the end of meiosis II there is/are ___
A.
B.
C.
D.
E.
33.  The most important role of meiosis in sexual reproduction is
A.
B.
C.
D.
E.
34.  At what stage does a developing sperm cell begin to grow a tail?
A.
B.
C.
D.
E.
35.  Sperm cells get energy to power their movement from ___ contributed by the ___
A.
B.
C.
D.
E.
36.  Male infertility (sterility) refers to
A.
B.
C.
D.
E.
37.  The acrosome contains enzymes used to
A.
B.
C.
D.
E.
38.  ___ have 46 chromosomes, where as ___ have 23.
A.
B.
C.
D.
E.
39.  A sperm count any lower than ___ million sperm per mL of semen is usually associated with infertility (sterility).
A.
B.
C.
D.
E.
40.  Dilation of the ___ causes lacunae to fill with blood and the penis to become erect.
A.
B.
C.
D.
E.
41.  The orgasm-emission phase of the male sexual response is stimulated by
A.
B.
C.
D.
E.
42.  Erection is
A.
B.
C.
D.
E.
43.  Heart rate, blood pressure, and respiratory rate peak during the
A.
B.
C.
D.
E.
44.  Sildenafil (Viagra) prolongs erection by
A.
B.
C.
D.
E.
Back to top

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz