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A&P II Test 4 Answers
Terms in this set (62)
The body's water volume is closely tied to the level of which ion
What hormone causes sodium absorption at the kidneys?
what hormone reduces blood pressure and blood volume?
Atrial natriuretic peptide
What are the chemical buffer systems
Protein, phosphate, and bicarbonate
Chronic obstructive pulmonary disease and emphysema are potential causes of
What effect would drinking a gallon of water have on ADH production?
It would decrease
The primary components of extracellular fluid are
plasma and interstitial fluid
approxiamately 2/3 of total body water is found in the
intracellular fluid space
Which acid-base disorder is caused by hyperventilation?
What is the effect of PTH at the kidneys?
calcium reabsorption and stimulates osteoclast activity
The kidneys response to alkalosis involves
secretion of hydrogen ions and reabsorption of bicarbonate ions
Chronic diarrhea may cause severe loss of bicarbonate ions, resulting in
Prolonged vomiting and the associated acid loss is a cause of
How do the lungs assist in the body's response to acidosis?
can vary the respiratory rate to allow for less CO2
Sodium is the principle cation in the
Potassium is the principle cation in the
Which of the following hormones controls the release of LH and FSH?
What is the function of prolactin?
layer of uterus made up of smooth muscle
layer of uterus that is glandular and vascular for support of pregnancy?
The constancy of the chromosome number is maintained from one generation to the next by
Fertilization generally occurs in the ________.
The cells that produce testosterone in the testes are
A surge of what hormone causes ovulation?
Which two hormones cause uterine smooth muscle contraction?
oxytocin and prostaglandin
Ovulation occurs near the end of the ovarian cycle.
Sperm from the male parent determines the gender of the child.
What structures are small nonfunctional cells formed by meiosis i and ii in females?
Sperm cells become fully capable of fertilization through a process called
This hormone maintains the corpus luteum for the first trimester
Where does spermatogenesis occur?
male accessory gland that encircles the urethra
erectile tissue that is dorsal and surrounds a central artery
ovarian structure that releases the egg
ligament that anchors the ovary to the uterus medially
the glands contribute most (60%) of the volume of semen
If fertilization does not occur, the corpus luteum becomes this structure
erectile tissue that surrounds the urethra
after ovulation, the empty follicle collapses and becomes this structure
ligament that anchors the ovary laterally to the pelvic wall
small glands at the base of the penis that secrete an alkaline mucous
The hormone that promotes mammary gland development and maternal fatty acid use is
human placental lactogen
Which extraembyronic membrane is the fetal part of the placenta
normal head first fetal position
The _________ is shared by both the urinary and reproductive system in the male?
The cells in the seminiferous tubules that promote spermatogenesis is
aid in keeping the testicular temperature optimal for sperm production
cremaster, dartos muscle, pampiniform plexus
advantage of chorionic villus sampling
can be done at the 5th week
advantage of amniocentesis?
diagnose chromosomal abnormalities
This part of the blastocyst will form the embryo
inner cell mass
series of cell divisions that subdivides the cytoplasm of the zygote
this contains the inner cell mass, blastocoel, and trophoblast
this is made up of three germ layers and 4 extraembyronic membranes
the first single cell formed after fertilization
The pituitary hormone that stimulates testosterone production in males
A ball of cells formed from cleavage divisions
pituitary hormone that stimulates spermatogenesis in males
An example of codominance
the same allele is present on both homologous chromosomes
traits are controlled by a number of genes, producing a variety of phenotypes
An example of incomplete dominance is
sickle cell disease
A gene that affects for than one characteristic
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