30 Questions
What is the primary function of Type II alveolar cells?
To secrete surfactant, reducing surface tension
What is the site of gas exchange in the respiratory system?
Respiratory bronchioles and alveoli
What is the function of the conducting zone in the respiratory system?
To warm, humidify, and filter the air
What is the process by which gases are exchanged between the lungs and the blood?
External (pulmonary) respiration
What is the main function of elastin fibers in the alveoli?
To provide structural support and allow the alveoli to stretch and recoil
What is the primary function of the cortical nephrons?
Filtration
What is the correct sequence of processes involved in respiration?
Ventilation, external respiration, transport of gases, internal respiration
What is the main difference between the loop of Henle in cortical and juxtamedullary nephrons?
Length of the loop
What is the role of the colloid osmotic pressure in glomerular filtration?
Decreases the filtration rate
What is the function of the principal cells in the collecting ducts?
Regulate the water reabsorption
What is the average glomerular filtration rate (GFR) in a normal adult?
125 ml/min
What is the primary function of the podocytes in the filtration membrane?
Filtering the blood
What is the function of Juxtaglomerular cells in the kidney?
To secrete renin
What is the effect of Angiotensin II on glomerular filtration?
Decrease in glomerular filtration rate
Which part of the nephron is most active in reabsorption?
Proximal tubule
What is the function of Sertoli cells in the testes?
To regulate sperm development and maturation
What is the function of the Epididymis in the male reproductive system?
To store and mature sperm
What is the effect of Atrial natriuretic peptide (ANP) on glomerular filtration?
Increase in glomerular filtration rate
What is the primary function of the bulbourethral glands in the male reproductive system?
Neutralize acids from urine
What is the temperature in the scrotum maintained at to help sperm production?
2-3 degree below body temperature
What is the function of the uterine tubes in the female reproductive system?
To transport eggs to the site of fertilization
What is the cervix of the uterus under the influence of?
Hormones
What is the function of the ovaries in the female reproductive system?
To produce sex hormones and functional gametes
What is the name of the duct that joins the seminal duct and forms the ejaculatory duct?
Ductus deferens
What is the primary function of the fimbriae in the fallopian tube?
To direct ova into the fallopian tubes
What is the name of the layer of the uterine wall that is shed each month?
Endometrium
What is the name of the follicle that is ready to rupture and expel the secondary oocyte?
Graafian follicle
What is the name of the structure that develops after ovulation and produces progesterone, estrogens, inhibin, and relaxin?
Corpus luteum
What is the name of the process by which the primary oocyte completes its first meiotic division?
Meiosis I
What is the primary function of the corpus luteum after ovulation?
To produce progesterone, estrogens, inhibin, and relaxin
Test your knowledge of the respiratory system, including the processes of breathing and respiration. This quiz covers the exchange of gases, ventilation, and the role of the cardiovascular system.
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