WSU Bio 315 Lecture exam 4

which of the following shows one or more respiratory bronchi?

A

erection in males is caused by _________________

erectile bodies in the penis filling with blood

which of the following best describes the path of filtered plasma as it passes through the urineferous tube?

glomerular (bowman's) capsule, proximal convoluted tubule, loop of henle, distal convoluted tubule, collecting duct

what two structures make up the renal corpuscle?

glomerulus and glomerular (Bowman's) capsule

where are the leydig cells specifically located?

inside seminiferous tubules

which of the following is the correct order of arterial blood flow through the kidney, beginning from the renal sinus to the glomeruli in the renal cortex?

interlobar arteries, arcuate arteries, interlobar (radiating) arteries, afferent arterioles

the zona pellucida ________________

is a protective shell around the oocyte that sperm ust penetrate for fertilization to occur

about 15% of nephrons are described by this term that relats to their location in the kidney

juxtamedullary

the type of cell in the testes that produces testosterone is the ________________

leydig's (interstitial) cells

the regions of the lung supplied directly by secondary (lobar) bronchi are _______________

lobes

These cells are part of the distal convoluted tubule that is near the vascular pole of the renal corpuscle, they are part of the juxtaglomerular complex and monitor the concentration of solutes in the filtered plasma

macula densa

these cells surround afferent arterioles near the vascular pole of the renal corpuscles and function to secrete the hormone renin

macula densa cells

in mature sperm, metabolic energy for locomotion is provided by mitochondria located primarily in the _______________

midpiece

which of the following best describes the pathway for urine through the renal sinus, beginning with the structures that collect urine draining from the collecting ducts?

minor calyces, major calyces, renal pelvis, ureter

the collecting ducts of urineferous tubules drain first into ____________; these structures then in turn drain directly into the _____________

minor calyces; major calyces

which testicular cells help move sperm into the epididymis by contracting rhytmically?

myoid cells

this layer of the uterus contracts during childbirth to expel the baby

myometrium

in the kidney, these blood vessels emerge from the efferent arterioles to surround the renal tubules of nephrons in the renal cortex

peritubular capillaries

an oocyte surrounded by a single layer of squamous-shaped follicle cells is known as a _____________

primary follicle

ovarian follicles with a single layer of squamous (flattened) follicular cells are known as _________________

primordial follicles

in males, what type of epithelium lines the epididymis?

psuedostratified columnar with stereocilia

the network of ducts connecting the seminiferous tubules to the mutliple heads of the epididymis is the ____________________

rete testis

in the larynx, the opening between the true vocal cords (vocal ligaments) is known as the __________________

rima glottidis

what type of epitehlium lines the vagina?

stratified squamous

in the lung, the fluid that reduces surface tension of the inner alveolar walls is called _________________: is it produced by ________________ cells

surfactant: type 2

the only portion of the respiratory system lined by stratified squamous epithelium is ___________

the vestibule of the nose

in addition to granulosa cells, which of the following cell types make up the outer layer of late secondary ovarian follicles

thecal cells

which of the following segments of the urineferous tubule is comprised of simple squamous epithelium?

thin ascending limb of the loop of henle

the epithelium lining the ureters is_____________

transitional

what is the type of epithelium that lines the urinary bladder?

transitional

these flat, simple squamous epithelial cells form the wall of alveoli in the lungs

type 1

the alveolar cells that form the wall of alveoli and allow rapid diffusion of respiratory gases are the _____________

type I cells

which cells in the lung produce pulmonary surfactant?

type II alveolar cells

in the kidney, the layer of podocytes is the same as the _______________

visceral layer of glomerular capsule

how is it that males can produce an unlimited number of sperm throughout their adult lives?

when a spermatogonium divides, only one undergoes further differentiation to give rise to mature sperm; the other remains a spermatogonium

the function of the cremaster muscle is to ___________________

alter the position of the testes in the scrotum due to changes in ambient temperature

the fluid-filled cavity in a mature ovarian follicle is known as the ______________

antrum

juxtaglomerular cells, aslo known as granular cells, which secrete the hormone renin are located __________________

around afferent arterioles

in the larynx, the vocal ligaments (true vocal cords) attach to the thyroid cartilage in the front and to the _____________ in the back

arytenoid cartilages

movement of the ____________________ changes the tension in the vocal cords, thus allowing for changes in the pitch of one's voice

arytenoid cartilages

While examining a microscopic specimen of lung tissue, an anatomy student identified a structure as being part of the conducting zone of the bronchial tree. The structure was lined by simple cuboidal epithelium and contained smooth muscle in its wall but had no cartilage. This structure is most likely a(n) ____________

bronchiole

which of the following structure is NOT lined by respiratory mucosa?

bronchiole

respiratory mucosa is present throughout each of the following areas EXCEPT the ____________

bronchioles

a factor that propels an ovum through the uterine tube is _______________

cilia on the oocyte

inspired air is cleansed of most foreign substances by the _______________

ciliated epithelium and mucus that line the respiratory passages

what is the epithelium type of the respiratory mucosa?

ciliated, pseudostratified columnar with goblet cells

what type of epithelium lines the respiratory mucosa?

ciliated, psuedostratified columnar

the remnant cells of a mature (graafin) follicle that remain in the ovary after ovulation form a structure known as the ______________

corpus luteum

85% of nephrons are described by this term that relates to their location in the kidney

cortical

These arteries give rise to the different arterioles supplying the glomruli

cortical radiate (interlobar) arteries

the only component of the larynx that consists of a complete ring of hyaline cartilage is the ____________________

cricoid cartilage

the ovarian cortex consits of _____________

developing follicles

the part of the uterus that is sloughed off during menstration is the __________________

functional layer of the endometrium

the main function of the numerous blood vessels in the respiratory mucosa is _____________

gas exchange between inhaled air and the blood

which of the following produces most of the fluid in semen

seminal vesicles

which of the following is the correct for passage of sperm through the male reprodcutive tract. Beginning at the of sperm production?

seminferous tubules, rete testis, epididymis, ductus deferens, ejaculatory duct

tight junctions form between which of the following cell types to produce the blood-testis barrier?

sertoli

what type of epithelium lnies the uterine tubes?

simple columnar

which of the following changes does NOT occur along the conducting zone of the respiratory tree?

smooth muscle is absent in the wall of the bronchioles

these structures markt the end of the conducting zone

terminal bronchioles

microscopically, proximal convoluted tubules in the kidney can be distinguished from distal convoluted tubules because ________________

the epithelium of the proximal convoluted tubule has a brush border that stains bright pink with H&E