A&P 2 Lab Final - MDC
A glomerulus is
a knot of capillaries within the renal corpuscle
The organ that monitors and adjusts the composition of tubular fluid, recycles damaged spermatozoa, and is the site of sperm maturation is the
epididymis
What physiological process occurs at the structure labeled "1"?
filtration
The period of gestation when the rudiments of all major organ systems are established is the ________ trimester.
first
What is the developmental fate of "9"?
forms the embryo
A primary spermatocyte matures into ________ spermatids having ________ chromosomes.
four; 23
Which of the following substances undergo tubular secretion:
hydrogen ions
The enzyme amylase digests
polysaccharides
Identify the highlighted structure.
prostate gland
Identify the highlighted covering of the kidney.
renal capsule
Identify the highlighted structures.
rugae
Identify the stage of this follicle.
secondary
The cells that are formed during spermatogenesis by the first meiosis are called
secondary spermatocytes.
Identify the highlighted structure.
seminal vesicle
Identify the highlighted structures inside the male testis.
sertoli / nurse cells
When spermatogonia divide, the daughter cells are called
spermatocytes
Into which organ does the highlighted structure empty?
stomach
The region known as the macula densa is part of
the distal convoluted tubule
Which is the function of the ovaries?
All of the answers are correct.
Identify the highlighted structure.
urinary bladder
Identify the structure labeled "12."
vagina
The extraembryonic membrane that forms blood is the
yolk sac
Identify the highlighted structures inside the male testis.
Interstitial cells
Identify the highlighted structure.
Stomach
The oocyte is ovulated still surrounded by a glycoprotien layer called the ________.
Zona pellucida
Each of the following statements concerning oogenesis is true, except that
about half the oogonia complete mitosis between birth and puberty.
Identify the stage labeled "8."
advanced morula
The extraembryonic membrane that gives rise to the urinary bladder is the
allantois
Identify the structure labeled "6."
amnion
Identify the structure labeled "5."
amniotic cavity
Identify the stage labeled "12."
blastocyst
The process of filtration is driven by
blood hydrostatic pressure
Identify the highlighted liver lobe.
caudate
Identify the highlighted part of the large intestine.
cecum
Identify the highlighted structure.
cervix
An intestinal hormone that stimulates the gallbladder to release bile is
cholecystokinin
Identify the structure labeled "6."
clitoris
Urine passes, in the order given, through which of the following structures?
collecting duct, renal pelvis, ureter, bladder, urethra
The fusion of the hepatic duct and the cystic duct forms the
common bile duct
Identify the highlighted structure inside the female ovary.
corona radiata
Identify the region of the colon.
descending
Identify the highlighted region of the small intestine.
duodenum
The highlighted structure separates the stomach from the ________.
duodenum
Identify the highlighted structure.
gallbladder
Which of the following descriptions best matches the term uterine tube?
has ciliated epithelium
Identify what process is occurring at the structure labeled "13."
implantation
Identify the highlighted structure.
labia minora
Identify the highlighted liver lobe.
left
Identify the structure labeled "4."
minor calyx
What is the layer labeled "4"?
muscularis externa
What is the layer labeled "2"?
muscularis mucosae
Ectoderm is to ________ as mesoderm is to ________.
neural tissue; muscle tissue
Identify the highlighted structure.
ovary
Identify the structures labeled "4."
polar bodies
Identify the structure labeled "9."
renal papilla
Identify the structure into which the major calices drain.
renal pelvis
The urinary system does all of the following, except that it
secretes excess glucose molecules
Sperm develop from stem cells called
spermatogonia
The process of spermiogenesis produces
spermatozoa
Identify the highlighted structure.
spongy urethra
Tubular reabsorption involves all of the following, except
stem cells movement
Which of these descriptions best matches the term gastrin?
stimulates gastric secretion
What is the layer labeled "3"?
submucosa
During meiosis I, maternal and paternal chromosomes fuse together during the process called ________ to form a ________.
synapsis; tetrad
Identify the structure labeled "3."
umbilical cord
Identify the highlighted structures.
ureter
Identify the highlighted structure.
vas deferens
Identify the highlighted structure.
Common Hepatic Duct
The highlighted structure is a distal expansion of what erectile tissue?
Corpus Spongiosum
Identify the structure that produces a fructose-rich fluid.
10
Which structure controls the contraction of the muscularis externa?
10
Secondary spermatocytes each contain
23 chromosomes, each with a pair of duplicated chromatids
Where does most nutrient reabsorption occur?
3
Where does obligatory water reabsorption occur?
3
Arrange the four structures listed below into the order in which sperm pass from the testis to the urethral meatus. 1. ductus deferens 2. urethra 3. ejaculatory duct 4. epididymis
4, 1, 3, 2
The following is a list of the blood vessels that carry blood to the kidney. 1. afferent arteriole 2. arcuate artery 3. interlobar artery 4. renal artery 5. glomerulus 6. cortical radiate artery 7. efferent arteriole 8. peritubular capillary The proper order in which blood passes through these vessels is
4, 3, 2, 6, 1, 5, 7, 8
Where would penicillin be secreted?
5
Which area is sensitive to the hormone ADH?
5 & 6
In which structure does gestation occur?
9
Identify the highlighted structure.
Tongue
