The Urinary System: Structure and Functions

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Questions and Answers

What is the primary function of the kidneys in regulating the volume and composition of body fluids?

  • Eliminating water to increase blood pressure
  • Reabsorbing bicarbonate to regulate acid-base balance
  • Producing erythropoietin to stimulate red blood cell production
  • Regulating the excretion of water and NaCl (correct)

What is the function of the internal urethral sphincter?

  • To control the flow of urine from the urethra to the exterior
  • To control the flow of urine from the bladder to the urethra (correct)
  • To control the flow of blood to the kidneys
  • To control the flow of urine from the ureter to the bladder

What is the effect of increased blood volume on GFR?

  • It decreases GFR
  • It varies depending on the individual
  • It increases GFR (correct)
  • It has no effect on GFR

What is the name of the enzyme secreted by the kidneys that activates the renin-angiotensin-aldosterone system?

<p>Renin (C)</p> Signup and view all the answers

What is the fluid called that enters the capsular space after being filtered through the capillary walls?

<p>Glomerular filtrate (A)</p> Signup and view all the answers

Which hormone increases the reabsorption of calcium in the kidneys?

<p>Parathyroid hormone (C)</p> Signup and view all the answers

What is the function of the kidneys in regulating acid-base balance?

<p>Excreting hydrogen ions and reabsorbing bicarbonate (C)</p> Signup and view all the answers

What is the functional unit of the kidney?

<p>Nephron (B)</p> Signup and view all the answers

Which ions does the urinary system regulate, among others?

<p>Hydrogen, sodium, potassium, and chloride (A)</p> Signup and view all the answers

What is the hormone released by the heart in response to atrial stretching that reduces glomerular filtration rate?

<p>Atrial natriuretic peptide (D)</p> Signup and view all the answers

What is the term for the artificial cleansing of the blood?

<p>Dialysis (A)</p> Signup and view all the answers

What is the name of the type of blood vessel that leads to the peritubular capillaries?

<p>Efferent arteriole (C)</p> Signup and view all the answers

What is the result of increased abdominal pressure on the urinary system?

<p>Stress incontinence (D)</p> Signup and view all the answers

What is the effect of an increase in blood pressure on glomerular filtration rate?

<p>Increased GFR (A)</p> Signup and view all the answers

What is the mechanism by which the body regulates glomerular filtration rate in response to changes in blood pressure?

<p>Renal auto-regulation (D)</p> Signup and view all the answers

What is the effect of sympathetic nervous system activation on glomerular filtration rate?

<p>Decreased GFR (A)</p> Signup and view all the answers

What is the effect of angiotensin II on GFR?

<p>It decreases GFR by constricting the afferent arteriole (C)</p> Signup and view all the answers

What percentage of resting cardiac output does the kidneys receive?

<p>20-25% (B)</p> Signup and view all the answers

What is the primary function of the scrotum?

<p>To support the testes and regulate their temperature (B)</p> Signup and view all the answers

What is the site of sperm production in the male reproductive system?

<p>Testes (C)</p> Signup and view all the answers

What is the function of the prostate gland?

<p>To secrete fluid that supports sperm function (A)</p> Signup and view all the answers

What is the term for the developing organism from fertilization to the end of 8 weeks?

<p>Embryo (B)</p> Signup and view all the answers

What is the term for the branch of medicine concerned with the diagnosis and treatment of diseases of the female reproductive system?

<p>Gynecology (B)</p> Signup and view all the answers

What is the function of the epididymis in the male reproductive system?

<p>To temporarily store immature sperm (C)</p> Signup and view all the answers

What is the main function of the fallopian tubes in the female reproductive system?

<p>To receive the ovum and provide a site for fertilization (C)</p> Signup and view all the answers

What is the inner layer of the uterus wall responsible for?

<p>The site of implantation of the embryo (D)</p> Signup and view all the answers

What is the purpose of Cooper's ligaments in the female breast?

<p>To anchor skin to the deep CT (D)</p> Signup and view all the answers

What hormones primarily increase mammary gland size at puberty?

<p>Estrogens (B)</p> Signup and view all the answers

What is the term for the synthesis and ejection of milk production in the mammary glands?

<p>Lactation (D)</p> Signup and view all the answers

What is the location of the uterus in the female reproductive system?

<p>Between the bladder and the rectum (C)</p> Signup and view all the answers

What is the function of the ductus deferens in the male reproductive system?

<p>To transport sperm from the epididymis to the urethra (C)</p> Signup and view all the answers

What is the site of testosterone production in the male reproductive system?

<p>Testes (A)</p> Signup and view all the answers

What is the purpose of the ligaments that hold the ovaries in place?

<p>To hold the ovaries in place (C)</p> Signup and view all the answers

What is the site of implantation of the fertilized egg in the uterus?

<p>Endometrium (B)</p> Signup and view all the answers

What is the function of the seminal vesicles in the male reproductive system?

<p>To nourish sperm with seminal fluid (D)</p> Signup and view all the answers

What primarily controls the production and ejection of milk in the mammary glands?

<p>Oxytocin and prolactin (C)</p> Signup and view all the answers

What is the function of the bulbourethral glands in the male reproductive system?

<p>To secrete mucous to lubricate the urethra (B)</p> Signup and view all the answers

What is the primary function of the scrotum in the male reproductive system?

<p>To regulate the temperature of the testes (A)</p> Signup and view all the answers

What is the location of the mammary glands in the female breast?

<p>Superficial to the pectoralis major and serratus anterior (B)</p> Signup and view all the answers

What is the function of the uterus in the female reproductive system?

<p>To receive, retain, and nourish the fertilized egg (A)</p> Signup and view all the answers

What is the term for the branch of medicine concerned with the diagnosis and treatment of diseases of the male reproductive system?

<p>Urology (D)</p> Signup and view all the answers

What type of glands are the mammary glands modified from?

<p>Sudoriferous glands (B)</p> Signup and view all the answers

What holds the ovaries in place?

<p>Ligaments (B)</p> Signup and view all the answers

What is the site of fertilization of the ovum?

<p>Fallopian tubes (D)</p> Signup and view all the answers

What are the mammary glands located in?

<p>Superficial to the serratus anterior (B)</p> Signup and view all the answers

What do the uterosacral ligaments support?

<p>Uterus (B)</p> Signup and view all the answers

What are the mammary glands modified from?

<p>Sudoriferous glands (C)</p> Signup and view all the answers

What is the inner layer of the uterus wall responsible for?

<p>Implantation of the embryo (C)</p> Signup and view all the answers

What is the primary function of the epididymis in the male reproductive system?

<p>To temporarily store immature sperm (C)</p> Signup and view all the answers

What is the purpose of the scrotum in the male reproductive system?

<p>To support the testes and regulate their temperature (B)</p> Signup and view all the answers

Which gland secretes fluid into the urethra that supports sperm function?

<p>Prostate (B)</p> Signup and view all the answers

What is the term for the developing organism from 9 weeks to birth?

<p>Fetus (B)</p> Signup and view all the answers

Which part of the male reproductive system transports sperm and urine to the exterior?

<p>Urethra (A)</p> Signup and view all the answers

What is the branch of medicine concerned with the diagnosis and treatment of diseases of the male reproductive system?

<p>Urology (D)</p> Signup and view all the answers

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