During spermatogenesis, testosterone is produced by the
a. spermatogenic cells c. Leydig cells
b. seminal vesicles d. germ cells
C
At puberty, testicular endocrine cells, called Leydig cells, or interstitial cells, increase in number and begin to produce testosterone, which initiates spermatogenesis. Seminal vesicles secrete a thick viscous fluid that forms a part of semen.
You might also like to view...
The nurse's assessment of a community-dwelling adult suggests that the client may have drug allergies that have not been previously documented. What statement by the client would confirm this?
A) "I tend to get sick in the stomach when I take antibiotics." B) "I've been told that aspirin might have caused my stomach bleed a few years back." C) "I broke out in hives and got terribly itchy when I started a new prescription last year." D) "When I fell last year, the doctor said that it might have been because of my blood pressure pills."
Which nursing action exemplifies presence?
1. Calling the patient's spiritual counselor 2. Praying with the patient 3. Ensuring that family can visit at any time 4. Communicating a willingness to care, to listen, and to be available to the patient
Which finding would the nurse expect when assessing a patient with a tension type headache (TTH)?
A) A throbbing unilateral headache B) A constant, bilateral, dull bandlike pain around the head with vomiting C) A sudden onset of severe unilateral piercing or burning pain, located behind or around the eye D) Premonitory or prodromic symptoms
A nurse cares for a man diagnosed with pedophili
a. Leuprolide (Lupron Depot) was prescribed. One month later, which statement by the patient indicates that the medication is having a therapeutic effect? a. "I feel a lot less depressed since taking this drug." b. "My sexual desire has practically disappeared." c. "I can sustain an erection longer than before." d. "There's no pain during intercourse now."