Exam 4(YOU GOT THIS KAS) Flashcards
Definition of Pharynx
Passageway for both air and food
Definition for Terminal Bronchioles
Passageways that represent the final portion of the conducting division of the respiratory system.
Alveoli
Microscopic chambers at the end of bronchial tree responsible for gas exchange.
What is the Pleura
Lubricating fluid and compartymentalized lungs
What’s the larynx?
This is responsible for sound and speech production
What’s the Respiratory Bronchiole
First portion airways that can be involved in gas exchange
What are the lungs?
Paired composite organs located within the pleural cavities of thorax
Bronchioles
Airways that continually branch into smaller diameter passageways
Trachea
Flexible, main airway leading into bronchial tree which is lined with hyaline cartilage
Alveoli:
conducting division
respiratory division
Respiratory
Respiratory Bronchioles
conducting division
respiratory division
Respiratory division
Terminal Bronchiole
conducting division
respiratory division
Conducting division
Trachea
conducting division
respiratory division
Conducting division
Right and left primary bronchus
conducting division
respiratory division
Conducting division
Alveolar duct
conducting division
respiratory division
Respiratory Division
Secondary and segmental bronchi
conducting division
respiratory division
Conducting division
Surfactant
conducting division
respiratory division
Respiratory Division
Gas Exchange
conducting division
respiratory division
Respiratory division
Hyaline Cartilage
conducting division
respiratory division
Conducting division
Cilia
conducting division
respiratory division
Conducting
Type I alveolar cells
Respiratory
Type II alveolar cells
conducting division
respiratory division
respiratory division
Mucus
conducting division
respiratory division
Conducting
Smooth muscle
conducting division
respiratory division
Conducting
T/F
The respiratory division has a larger surface area then the conducting division
T
T/F
Filtering, warming, and moistening airflow happens in the respiratory zone?
False
Upper respiratory tract
Nose
Nasal cavity
Paranasal sinuses
Pharynx
Low respiratory tract
Trachea
Bronchi
Lungs
What is secreted to trap dust, bacteria, debris and contains enzymes and antibiotics
Mucus
Surfactant
Cilia
Pleural fluid
Mucus
Atmospheric pressure is higher than intrapulmonary pressure.
Inspiration (inhalation)
Expiration (exhalation)
Inspiration( inhalation)
Thoracic cavity volume decreases which causes the intrapulmonary pressure to rise
Inspiration (inhalation)
Expiration (exhalation)
Expiration
Diaphragm and external intercostal muscles contract and pull the ribs up and out.
Inspiration (inhalation)
Expiration (exhalation)
Inspiration
Caused by the surfactant not being developed; treated by spraying natural or synthetic surfactant.
Bronchitis
Emphysema
IRDS (Infant Respiratory Distress Syndrome)
IRDS (Infant Respiratory Distress Syndrome)
What factor(s) affect breathing rate and depth?
partial pressure of oxygen (PO2)
partial pressure of carbon dioxide (PCO2)
degree of stretch of lung tissue
emotional state & physical activity level
all of the above
all of the above
Which medullary respiratory center controls basic rhythm of breathing?
ventral respiratory group
dorsal respiratory group
Ventral respiratory group
Sensors that monitor changes in the chemical composition in blood
mechanoreceptor
exteroceptor
chemoreceptors
photoreceptors
Chemoreceptors
Concentration of what gas is most influential to respiration?
PCO2
PO2
PCO2
What is Inspiratory Reserve Volume
Amount of air that can be forcefully inhaled after a normal tidal volume inhalation
Residual Volume
Amount of air remaining in the lungs after a forced exhalation
Vital Capacity
Maximum amount of air that can be expired after a maximum inspiratory effort
Tidal Volume
Amount of air inhaled or exhaled with each breath under resting conditions
Functional Residual Capacity
Volume of air remaining in the lungs after a normal tidal volume expiration
Total Lung Capacity
Maximum amount of air contained in the lungs after maximum inspiratory effort
Expiratory reserve volume
Amount of air that can be forcefully exhaled after a normal tidal volume expiration
Inspiratory capacity
Maximum amount of air that can be inspired after a normal expiration
How many liters is tidal volume
0.5
Inspiratory reserve volume liters?
2.0
Expiratory reserve volume liters
1.5
Residual Volume liters
1.0
Vital capacity liters
4.0
Subject #1 - Male, 6’1”, 22 years
FVCmeasured = 6.80 L; FVCpredicted = 6.01 L;
FEV1.0 = 5.8 L; FEV2.0 = 6.5 L; FEV3.0 = 6.9 L.
Does Subject 1 have a Restrictive Lung Disease?
Yes
No
Unable to determine
No
Subject #1 - Male, 6’1”, 22 years
FVCmeasured = 6.80 L; FVCpredicted = 6.01 L;
FEV1.0 = 5.8 L; FEV2.0 = 6.5 L; FEV3.0 = 6.9 L.
Does Subject 1 have an Obstructive Lung Disease?
Yes
No
Unable to determine
No
Subject #2 - Female, 5’6”, 20 years
FVCmeasured = 4.35 L; FVCpredicted = 4.25 L;
FEV1.0 = 3.4 L; FEV2.0 = 4.15 L; FEV3.0 = 4.35 L.
Does Subject 2 have a Restrictive Lung Disease?
Yes
No
Unable to determine
No
Subject #2 - Female, 5’6”, 20 years
FVCmeasured = 4.35 L; FVCpredicted = 4.25 L;
FEV1.0 = 3.4 L; FEV2.0 = 4.15 L; FEV3.0 = 4.35 L.
Does Subject 2 have an Obstructive Lung Disease?
Yes
No
Unable to determine
Yes
Subject #3 - Male, 5’10”, 63 years
FVCmeasured = 4.25 L; FVCpredicted = 6.5 L;
FEV1.0 = 3.6 L; FEV2.0 = 3.8 L; FEV3.0 = 4.04 L.
Does Subject 3 have a Restrictive Lung Disease?
Yes
No
Unable to determine
Yes
Subject #3 - Male, 5’10”, 63 years
FVCmeasured = 4.25 L; FVCpredicted = 6.5 L;
FEV1.0 = 3.6 L; FEV2.0 = 3.8 L; FEV3.0 = 4.04 L.
Does Subject 3 have an Obstructive Lung Disease?
Yes
No
Unable to determine
No
Volume of inspired air in the conduction zone conduits that never contributes to gas exchange.
Alveolar dead space
Total dead space
Anatomical dead space
Anatomical dead space
Volume of inspired air in the alveoli that do not act in gas exchange due to their collapse or obstruction
Alveolar dead space
Total dead space
Anatomical dead space
Alveolar dead space
T/F: Increased air flow resistance decreases air flow rate.
True
T/F:Decreased surface tension increases alveoli surface area
True
Obstructive Lung Disease (check all that are true):
affects flow rates
affects volumes and capacities
affects the airway tubes
affects the alveoli
fibrosis
asthma
affects flow rates
affects the airway tubes
Restrictive Lung Disease (check all that are true):
affects flow rates
affects volumes and capacities
affects the airway tubes
affects the alveoli
fibrosis
asthma
affects volumes and capacities
fibrosis
Gas exchange at the body tissues.
External Respiration
Internal Respiration
Internal Respiration
Gas exchange at the alveolar level.
Internal Respiration
External Respiration
External respiration
Increased diffusion is favored with:
more surface area
shorter distance
greater solubility of gases
all the above are true
Alll
T/F: Partial pressure of oxygen (PO2) is higher in the alveoli vs the blood vessels
True
T/F:Partial pressure of oxygen (PO2) is higher in the tissues vs the blood vessels
F
T/F: Partial pressure of carbon dioxide (PCO2) is higher in the alveoli vs the blood vessels
F
T/F:Partial pressure of carbon dioxide (PCO2) is higher in the tissues vs the blood vessels
T
T/F: Increase in temperature & PCO2 lowers Hb’s affinity for O2 which enhances Hb to unload O2 into the tissues
T
T/F: Higher CO2 in the blood releases more hydrogen ions (H+) which lowers our blood pH which makes our blood more acidic
T
T/F: Majority of O2 is carried in the blood via hemoglobin while majority of CO2 is carried via carbaminohemoglobin
F
Gas exchange at tissues?
A) Internal
B) external
Internal
Co2 solubility is ____ O2 solubility
A) greater than
B) less than
C) equal to
A.
PCO2 at tissues is ____ PCO2 in the blood
A) greater than
B) less than
C) equal to
A
T/F: Co2 attached to the heme on the hemoglobin
F
Decrease temperature___ Hb affinity(hemo wanted to hold onto it) for O2
A) increase
B)decrease
C) no affect
A
Increase in PCO2___ Hb affinity for O2
A) increase
B)decrease
C) no affect
B
Airflow rate in obstructive lung disease is restrictive lung disease
a)Less than
b. Greater than
c. Same as
Less than
Normal, quiet ventilation
a.Tidal volume
b. Vital capacity
c. Total lung cap.
Tidal volume
TV + IRV + ERV IS:
a. Tidal volume
b.Vital capacity
c. Total lung cap.
Vital capacity
Air in conduction zone that is not involved in alveolar gas exchange
c. Total lung cap.
a. Alveolar dead space
b.Anatomical dead space
Anatomical dead space
Volume of air ventilation each minute
a.tidal volume
b.Minute ventilation
Minute ventilation
hat measures the efficiency of alveolar gas exchange
a. Minute ventilation
b.Alveolar ventilation rate
Alveolar ventilation rate
Type of breathing to increase alveolar ventilation exchange
a.Normal rate
b.Slow & deep
Slow and deep
Increase resistance_____air flow rate
a.Increases
b.Decreases
Decreases
Decrease lung compliance____lungs ability to expand
a.increase
b.decrease
Decrease
Obstructive lung disease affects:
a.Tubes/bronchi
b. Alveoli
a
Affects lung capacity & volume:
a. Obstructive PD
b.Restrictive PD
b.Restrictive PD
Measures volume/capacity; normal > 75%
a.Static test
b. Dynamic test
Static test
The function(s) of the urinary system include (mark all that apply):
excrete nitrogenous wastes
maintain blood pH
maintain fluid balance
none of the above
excrete nitrogenous wastes
maintain blood pH
maintain fluid balance
About how much blood do the kidneys filter every day?
125 ml
1.5 L
5 L
180 L
180L
The vessel that supplies blood directly into the glomerulus is called the ________.
cortical radiate artery
afferent arteriole
efferent arteriole
arcuate artery
Correct Answer:
afferent arteriole
This structure is a capillary bed from which blood is filtered into the nephron.
renal corpuscle
glomerulus
peritubular capillary
glomerular capsule
glomerulus
Please select the correct sequence of urine flow through the kidney structures:
- Ureter
- Minor Calyx
- Major Calyx
- Renal Pelvis
- Renal Pyramid
3, 4, 5, 2, 1
5, 2, 3, 4, 1
5, 4, 3, 2, 1
1, 2, 3, 4, 5
5,2,3,4,1
________ are the structural and functional units that form urine.
Urinary Bladder
Renal Cortex
Nephrons
Ureters
Nephrons
T/F: The glomerulus is a turf of capillaries that are highly porous and allow filtrate to be formed.
True
False
True
T/F: The glomerular capsule is a hollow structure surrounding the glomerulus.
True
False
True
The renal tubule consists of (mark all that apply):
Glomerulus
Glomerular Capsule
Proximal Convoluted Tubule
Nephron Loop
Distal Convoluted Tubule
Proximal Convoluted Tubule
Nephron Loop
Distal Convoluted Tubule
T/F: The proximal convoluted tubule (PCT) is the farthest from the renal corpuscle.
True
False
False
T/F: The nephron loop has both descending and ascending limbs.
True
False
True
________ comprises of 85% of nephrons
Cortical Nephron
Juxtamedullary Nephrons
Cortical Nephron
________ have long nephron loops that deeply invade the renal medulla.
Cortical Nephrons
Juxtamedullary Nephrons
Juxtamedullary Nephrons
________ are important in the production of concentrate urine.
Cortical Nephrons
Juxtamedullary Nephrons
Juxtamedullary Nephrons
________ are almost entirely in the renal cortex.
Cortical Nephrons
Juxtamedullary Nephrons
Cortical Nephrons
When glomerular filtration rate (GFR) increases, urine output ________.
increases
decreases
has no change
increases
When urine output increases, blood volume ________.
increases
decreases
has no change
decreases
When blood volume decreases, systemic blood pressure ________.
increases
decreases
has no change
decreases
When glomerular filtration rate (GFR) decreases, blood volume ________.
increases
decreases
has no change
increases
When blood volume increases, systemic blood pressure ________.
increases
decreases
has no change
increases
What type of control is considered “in-house” and autoregulates the GFR?
intrinsic
extrinsic
intrinsic
What type of control maintains systemic blood pressure throughout the body?
intrinsic
extrinsic
extrinsic
Water is said to ______ salt (Na+).
date
ignore
follow
follow
Anti-diuretic hormone (ADH) secretion increases the reabsorption of ______ in the DCT and collecting duct.
water
Na+
K+
Ca2+
water
Aldosterone secretion increases the reabsorption of ______ in the DCT and collecting duct.
water
Na+
K+
Ca2+
na+
When ADH increases, urine output ______.
increases
decreases
no change
decrease
When aldosterone secretion increases, urine output ______.
increases
decreases
no change
decrease
When Na+ reabsorption increases, water reabsorption ______.
increases
decreases
no change
Increase
The ascending limb of the nephron loop is:
impermeable to solutes
freely permeable to water
impermeable to water
selectively permeable to solutes
impermeable to water
What part of the nephron reabsorbs nearly all glucose and amino acids?
distal convoluted tubule
proximal convoluted tubule
nephron loop
collecting ducts
proximal convoluted tubule
Where is 2/3 of readorption occurs in nephrons
PCT
Impermeable to solutes in nephron loop
Descending
Most abundant cation in filtrate
Sodium
Movement of H20 from hypoosmotic solution to hyperomotic solution
Osmosis (a lot of salt in this place and then waste there is more water where the solutes are being pulled by the water)
Protein channels/pore that allows water to reabsorb
Aquaporins(protein channels)
Creates the medullary osmotic gradient in juxtamedullary nephron
Countercurrent multiplayer
Preserves the medullary osmotic gradient in vasa recta capillaries
Countercurrent exchanger
Hormone that increases water reabsorption via activating aquaporins
ADH(over hydrated will shut down the aquaporins hormones)
Hormone that increases Na+ reabsorption
Aldosterone( pulls sodium when needed)
Parts of the tubule that control Na+ and water by hormones
DCT
Volume of filtrate formed er minutes of both kidneys
GFR
Countercurrent multiplier
countercurrent multiplier mechanism helps the kidney conserve water and maintain proper fluid and electrolyte balance in the body.
Countercurrent exchanger
countercurrent exchange is a highly efficient mechanism for the transfer of substances across biological membranes, maximizing the exchange process and optimizing physiological functions such as respiration and urine concentration.
The 3 steps of urine formation
1.filtrate
2.reabsorption
3.secretion
ADH UP; Urine ____?
Does down
parasympathetic
nervous system regulates restful activities and conserves energy in the body. It is often referred to as the “rest and digest” system, contrasting with the sympathetic nervous system’s “fight or flight” response. It slows heart rate, promotes digestion, constricts bronchi, and has various other effects on organs.
sympathetic
Send signal to store for the short being
Urine is expelled from the urinary bladder
defecation
excretion
filtration
micturition
Micturition
For micturition to take place; what are the order of events that must take place?
1. Opening of the internal sphincter.
2. Bladder wall stretches, and the stretch receptors trigger spinal reflexes.
3. Opening of the external sphincter.
4. Contraction of the detrusor muscles by the parasympathetic system
1, 2, 3, 4
4, 3, 2, 1
4, 2, 1, 3
2, 4, 1, 3
2,4,1,3
All the following are solutes of urine EXCEPT:
uric acid
urea
creatinine
glycogen
Glycogen
The muscularis of the urinary bladder, collectively called the detrusor muscle, is made up of ________ layers of muscle.
2
3
4
5
3
What is the kidney?
The kidney is the big shaped organs
What is the ureter?
It’s those long tubes connected to the kidneys that carries the routine from the kidney to the bladder
What is the Hepatic Vein?
The blue vein tube in the middlee
Urethra
Vagina( women pelvic area)
What is the Renal Artery?
The major blood vessel that supplice oxygenated blood to the kidneys( red tube)
Renal Vein
renal veins are the main blood vessels that carry blood from the kidneys and ureters to the inferior vena cava (IVC), which then carries blood directly to the heart.
Rectum (cut view)
Hollow hole on top on the bladder
Urinary Bladder
The bladder obviously before the pee hole
Adrenal Gland
Fat looking things near the kidneys
When you are dehydrated, your urine is usually:
dark yellow
pinkish
clear
Dark Yellow
When water reabsorption increases, urine output ________.
increases
decreases
no change
Decreases
What autonomic nervous system induces micturition?
parasympathetic
sympathetic
somatic
parasympathetic
What urinary sphincter has voluntary control?
internal urethral sphincter
external urethral sphincter
pyloric sphincters
esophageal sphincter
external urethral sphincter
What nitrogenous waste in urine is from protein metabolism?
urea
uric acid
creatinine
creatine phosphate
Urea
What creates the medullary osmotic gradient?
countercurrent multiplier
countercurrent exchanger
Countercurrent Multiplier
What preserves the medullary osmotic gradient?
countercurrent multiplier
countercurrent exchanger
Countercurrent Exchanger
Act as the countercurrent multipliers.
nephron loop
vasa recta
cortical nephron
glomerulus
Nephron loop
T/F: When the secretion of ADH increases urine production/volume increases.
Incorrect answer:
True
False
F
Also known as urination
Micturition
The acid that gives urine its yellow color
Urochrome
Largest solute waste in urine
Urea
Type of movement ureters use to move urine from kidneys to bladder
Peristalsis
Triangle region of the ureter entries and bladder neck; infections
Trigone
Middle layer of bladder made of smooth muscle
Destructor
Sphincter with voluntary control
External
Sphincter with involuntary control
Internal
Inhibits micturition and inhibits pontine storages
sympathetic
Promotes micturition and inhibits Pantone storage
ParaSympathetic
Homologous structures -
often have functions in common
Male testes & female ovaries
males secrete ?
Testorone
Female sex hormones
Estrogens and progesterone (females)
Accessory reproductive organs:
remaining reproductive structures → ducts, glands, and external genitalia
The Scrotum
Sac of skin and superficial fascia
Hangs outside abdominopelvic cavity Contains paired testes
Scrotom temp maintenance
98.6o) → slightly cooler for
sperm production (spermatogenesis)
Dartos muscle:
smooth muscle; wrinkles scrotal skin; pulls scrotum close to body
Cremaster muscles
bands of skeletal muscle Cremaster Muscle
that elevate testes
Dartos Muscle
Regulate temp
Sperm production
meiosis 1 & 2 (splitting)
Where is soerm produced
Testies
Where is sperm stored
epididymis
Male Accessory Ducts:
Epididymis
Ductus (vas) Deferens
Ejaculatory Duct Urethra
During ejaculation,
epididymis contracts, expelling sperm into ductus (vas) deferens
Epididymis
Ductus deferens (or vas deferens)
Tube connected to the epididymis. When contracted sperm, shoots straight up into the ductus deferens
Corpus spongiosum:
-surrounds urethra and expands to form glans and bulb
-help make an erection and keep the urethra open during the erection.
Corpora cavernosa
paired dorsal erectile bodies
helps with erection
Contain blood vessels that fail with blood to help an erection
Seminal Glands
produces 70% fluid volume of semen
Increase sperm motility/fertilizing ability
Sperm & seminal fluid mix in the ejaculatory duct
Prostate
secretes milky, slightly acid fluid
Fluid activates sperm; accounts for 1⁄3 of semen volume
1 in 6 men develop prostate cancer; 3rd
Bulbo-urethral Gland
produce thick, clear mucus
that neutralizes traces of urine
Lubricates the glans penis when sexually excited
Seminal Glands
Prostate
Bulbo-urethral gland
Is erection parasympathetic or sympathetic?
Parasympathetic
Is ejaculation parasympathetic or sympathetic
Sympathetic
structures that have functions in common and common origin during development
homologous structures
Male’s sex organs
testes
produces sperm
testes
stores sperm
epididymis
transports sperm from epididymis to ejaculation
vas deferens
fluid that neutralizes the urethra (urine) is produced by the___
bulbo-urethral gland
produces 70% of amén fluid volume; increases sperm motility/fertilizing ability
seminal gland
fluid that activates sperm is produced by the ____
prostate glad
spongy erectile tissue in the penis
corpus spongiosum and cavernosa
why does the scrotom/testes location matter ✨
sperm production to be slightly cooler then body temp
what role does the parasympathetic system play(ereectuon or ejaculation
erection;vasodilation
what role does the sympathetic l play (erection or ejaculation
ejeculation
First 14 days of the ovarian cycle.
Postovulatory phase
Proliferative phase
Follicular phase
Luteal phase
Follicular phase
Phase of the menstrual cycle that the endometrium rebuilds and there is a rising of estrogen.
Postovulatory phase
Proliferative phase
Follicular phase
Luteal phase
Proliferative phase
Phase of the ovarian cycle that occurs after ovulation; consists of corpus luteum activity
Postovulatory phase
Proliferative phase
Follicular phase
Luteal phase
Luteal phase
Phase of the female cycle that the endometrium prepares for embryo implantation; second half of the menstrual cycle
Postovulatory phase
Proliferative phase
Follicular phase
Luteal phase
Postovulatory phase
Postovulatory phase
Female internal genitalia includes:
Mons pubis
Ovaries
Uterine tubes
Uterus
Vagina
Labia minora
Labia majora
Ovaries
Uterine tubes
Uterus
Vagina
Female external genitalia includes:
Mons pubis
Ovaries
Uterine tubes
Uterus
Vagina
Labia minora
Labia majora
Mons pubis
Labia Minora
Labia Majora
Male sex organ
testes
epididymis
vas deferens
prostate
Testes
Stores sperm for up to several months.
testes
epididymis
vas deferens
prostate
Epididymis
Gland that secretes a slightly acidic fluid that activates sperm
testes
epididymis
vas deferens
prostate
prostate
During a vasectomy, what male anatomy is cut and ligated?
testes
epididymis
vas deferens
prostate
Vas deferens
Produce and store the female gametes
Ovaries
Uterus
Vagina
Uterine tube
Ovaries
Usual site of fertilization
Ovaries
Uterus
Vagina
Uterine tube
Uterine tube
Its function is to receive, retain, and nourish fertilized the ovum
Ovaries
Uterus
Vagina
Uterine tube
Uterus
Lining of the uterus that sheds and is influenced by ovarian hormones
perimetrium
myometrium
endometrium
adventitia
Endometrium
What’s the Perimetrium?
Outermost serosa layer
What is Myometrium?
bulky middle layer consisting of interlacing layers of smooth muscle
○Contracts rhythmically during childbirth
What is Endometrium?
mucosal lining
○Simple columnar epithelium
○Fertilized egg burrows into endometrium and resides there during development
○Changes in response to ovarian hormone cycles
○Shed during menstruation if no conception (~28 days)
3 layers (“coats”) of wall
Fibroelastic adventitia → outer
Smooth muscle muscularis → middle
Stratified squamous mucosa with rugae → inner
Acidic of Alkaline: Adult
Acidic
Acidic or alkaline: Adolescents
Alkaline more prone to infection(STD’s)
Mons pubis:
fatty area overlying pubic symphys
Labia majora
hair-covered, fatty skin folds
○Counterpart of male scrotum
Labia minora
skin folds lying within labia majora
○Counterpart of male spongy urethra of the penis
Greater vestibular glands
release mucus into vestibule for lubrication
○Counterpart of male bulbo-urethral glands
Clitoris
structure composed largely of erectile tissue
○Counterpart to the male penis
Ovarian Cycle
prepares ovum (mature egg)
Uterine Cycle
prepares uterus
Ovarian cycle → months
(~28 day) series of events associated with maturation of egg
Two consecutive phases; Follicular phase
period of vesicular follicle growth (days 1-14)
●Increased secretion of estrogen - one follicle is selected, point that ovulation occurs (mid cycle)
●Hypothalamus → GnRH (1x/month) → Anterior Pituitary → FSH/LH
Two consecutive phases; Luteal phase
period of corpus luteum activity (days 14-28)
●Only 10-15% of women have 28-day cycles (up to 40 or short as 21 days)
○Follicular phase varies, but luteal phase is always 14 days from ovulation to end of cycle
Ovulation
ejection of oocyte from ripening follicle
Fraternal Twins
not identical; 2 oocytes fertilized by 2 sperms
Identical Twins -
1 oocyte fertilized by 1 sperm but early separation of daughter cells
Corpus luteum
secretes high levels of progesterone and some estrogen corpus luteum produces hormones that sustain pregnancy until placenta is ready to take over → at about 3 months
Days 0-4: Menstrual Phase
endometrium detaches & sheds (bleeding); low levels of hormones
Days 5-14: Proliferative (preovulatory) Phase
rising levels of estrogen; endometrium rebuilds; ovulation occurs at the end of this stage
Days 15-28: Secretory (postovulatory) Phase →
most constant timewise; endometrium prepares for embryo implant; a cervical plug forms to block sperm, pathogens, foreign materials, etc;
1.if fertilization does not occur the corpus luteum degenerates toward the end of this phase
Estrogens
Promote oogenesis (development of ovum) and follicle growth in ovary
○Anabolic effects on female reproductive tract Induce secondary sex characteristics
■Growth of breasts
■Increased deposit of subcutaneous fat (hips & breasts)
■Widening and lightening of pelvis
Progesterone:
Works with estrogen to establish and regulate uterine cycle
■Promotes changes in cervical mucus
■Effects of placental progesterone during pregnancy
●Inhibits uterine motility
●Helps prepare breasts for lactation
Fibroelastic adventitia
Outer
Smooth muscle muscularis
Middle
Stratified squamous mucosa with rugae
inner
■Withstand friction
concurrent: prepares ovum (mature egg)
Uterine Cycle →
prepares uterus
Days 0-4: Menstrual Phase →
endometrium detaches & sheds (bleeding); low levels of hormones
Days 5-14: Proliferative (preovulatory) Phase →
rising levels of estrogen; endometrium rebuilds; ovulation occurs at the end of this stage
Days 15-28: Secretory (postovulatory) Phase →
most constant timewise; endometrium prepares for embryo implant; a cervical plug forms to block sperm, pathogens, foreign materials, etc;
1.if fertilization does not occur the corpus luteum degenerates toward the end of this phase
Homologous Reproductive Organs
Testes(M) Ovaries(F)
Glans Penis(M) Glans Clitoral(F)
Scrotom(M) Labia Majora(F)
T/F: An alkaline fluid that neutralizes the acidity of male urethra and female vagina and enhances motility
T
What is seman made of?
Contains:
○Fructose → for ATP production
○Prostaglandins → viscosity of mucus
○Hormones → enhance sperm motility
○Antibiotics → destroy some bacteria
○Clotting factors → causes sperm to stick to walls of vagina
Static test
ERV, IRV, RV, TV, VC
Dynamic
forced expiratory volume, Forced expiratory volume in 1 second, Forced Vital Capacity
Role of the Renal Cortex?
Outer most layer
-received >90% of blood that enters the kidneys
Role of the Renal Medulla
Secretes urine into a sac-like tubules
Role of the Renal Pelvis
Peristalsis to move urine out into the ureter
Role of the Major Calyx
Collects urine form the minor calves and then empty’s urine into Renal Pelvis
Minor Calyx role
Drain the pyramids at papillae