Respiratory System Revision Quiz

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What is the primary function of Type II alveolar cells?

To provide structural support to the alveoli

To facilitate gas exchange through simple diffusion

To secrete surfactant, reducing surface tension (correct)

To regulate elastin fibers

What is the site of gas exchange in the respiratory system?

Trachea and bronchi

Nose and nasal cavity

Pharynx and larynx

Respiratory bronchioles and alveoli (correct)

What is the function of the conducting zone in the respiratory system?

To warm, humidify, and filter the air (correct)

To secrete surfactant and reduce surface tension

To facilitate gas exchange through simple diffusion

To regulate the flow of air in and out of the lungs

What is the process by which gases are exchanged between the lungs and the blood?

External (pulmonary) respiration Signup and view all the answers

What is the main function of elastin fibers in the alveoli?

To provide structural support and allow the alveoli to stretch and recoil Signup and view all the answers

What is the primary function of the cortical nephrons?

Filtration Signup and view all the answers

What is the correct sequence of processes involved in respiration?

Ventilation, external respiration, transport of gases, internal respiration Signup and view all the answers

What is the main difference between the loop of Henle in cortical and juxtamedullary nephrons?

Length of the loop Signup and view all the answers

What is the role of the colloid osmotic pressure in glomerular filtration?

Decreases the filtration rate Signup and view all the answers

What is the function of the principal cells in the collecting ducts?

Regulate the water reabsorption Signup and view all the answers

What is the average glomerular filtration rate (GFR) in a normal adult?

125 ml/min Signup and view all the answers

What is the primary function of the podocytes in the filtration membrane?

Filtering the blood Signup and view all the answers

What is the function of Juxtaglomerular cells in the kidney?

To secrete renin Signup and view all the answers

What is the effect of Angiotensin II on glomerular filtration?

Decrease in glomerular filtration rate Signup and view all the answers

Which part of the nephron is most active in reabsorption?

Proximal tubule Signup and view all the answers

What is the function of Sertoli cells in the testes?

To regulate sperm development and maturation Signup and view all the answers

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

To store and mature sperm Signup and view all the answers

What is the effect of Atrial natriuretic peptide (ANP) on glomerular filtration?

Increase in glomerular filtration rate Signup and view all the answers

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

Neutralize acids from urine Signup and view all the answers

What is the temperature in the scrotum maintained at to help sperm production?

2-3 degree below body temperature Signup and view all the answers

What is the function of the uterine tubes in the female reproductive system?

To transport eggs to the site of fertilization Signup and view all the answers

What is the cervix of the uterus under the influence of?

Hormones Signup and view all the answers

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

To produce sex hormones and functional gametes Signup and view all the answers

What is the name of the duct that joins the seminal duct and forms the ejaculatory duct?

Ductus deferens Signup and view all the answers

What is the primary function of the fimbriae in the fallopian tube?

To direct ova into the fallopian tubes Signup and view all the answers

What is the name of the layer of the uterine wall that is shed each month?

Endometrium Signup and view all the answers

What is the name of the follicle that is ready to rupture and expel the secondary oocyte?

Graaﬁan follicle Signup and view all the answers

What is the name of the structure that develops after ovulation and produces progesterone, estrogens, inhibin, and relaxin?

Corpus luteum Signup and view all the answers

What is the name of the process by which the primary oocyte completes its first meiotic division?

Meiosis I Signup and view all the answers

What is the primary function of the corpus luteum after ovulation?

To produce progesterone, estrogens, inhibin, and relaxin Signup and view all the answers