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Quiz 3: Cumulative, The Urinary System, The Reproductive System, and Your Inner Reptile
Terms in this set (85)
Which of the following cells are considered Antigen-Presenting Cells?
neutrophils, macrophages, dendritic cells, and B-cells.
What structure is the red arrow referring to?
The cardiac sphincter is located
at the caudal end of the esophagus
Which of the following are the 2 major functions of bile?
help emulsify and digest fats and remove waste products
What hormone makes the distal convoluted tubules and collecting ducts more permeable to water?
anti-diuretic hormone (ADH)
What substance is ultimately responsible for causing aldosterone to be released by the adrenal gland?
What blood vessel immediately LEAVES the glomerular tuft to become the peritubular capillaries?
the efferent renal arteriole
The formula for excretion that answers the question "How much urine should be produced?" is
[filtration + secretion}] - reabsorption = excretion
What hormone causes the distal convoluted tubules to actively pump out Na+ into the interstitium with water following closely behind?
What structure is located in the renal cortex?
the distal convoluted tubules
Which of the following sphincters is voluntary?
external urethral sphincter
What is NOT part of the filtration structure of the nephron?
epithelial cells that line the Loop of Henle
Number 6 below is referring to the
The arrow is pointing to an area that was identified during the kidney dissection. This area is called
the minor calyx
The area delineated by white dashes is referring to the
The kidneys are located within the peritoneal cavity.
The kidneys are actually located retroperitoneal and are considered outside the abdominal cavity.
The substances filtered at the renal corpuscle that are useful and should be recycled are mostly reabsorbed at which of the following regions?
proximal convoluted tubules
Which of the following is the correct sequence describing what becomes of blood entering the glomerulus?
plasma, glomerular filtrate, tubular filtrate, and urine.
What is the main function of the renal corpuscle?
filtration of blood
Which region is the yellow bracket referring to?
The best answer for what structure or region the dashed white line represents is the
The structure that is named after the person below is
The structure named after the person below is
Loop of Henle
The image below depicts what process in the nephron?
The green arrows refer to a process called
Which of the following describes reabsorption at the nephron?
movement of substances from the tubules to the peritubular capillaries
Which of the following is NOT part of the renal corpuscle?
loop of Henle
The right kidney is caudal to the left in most species
The right kidney is CRANIAL to the left in most species hence why it can be difficult to impossible to palpate the right kidney in some animals.
Which of the following events occur as a consequence of sympathetic stimulation of the kidneys from the Autonomic Nervous System
Which of the following structures make up the renal corpuscle?
the glomerulus and Bowman's capsule
The Urinary System is the most important route of waste-product removal in an animal's body.
Which of the following describes secretion at the nephron?
the movement of substances from the peritubular capillaries into the nephron's tubules.
Which structure transports urine from the kidneys to the bladder?
The most important function of ADH is to
Increase water reabsorption by the distal convoluted tubules
The part of the nephron where filtration of the blood takes place is the
Which of the following represents the complete male diploid chromosome makeup?
Which of the following Estrous Cycle description applies to CATS?
Which part of the female reproductive tract is a muscular sphincter that seals off the vagina from the uterus and usually only opens up during breeding and parturition?
Which of the following has 2 roots, a glans, and erectile tissue?
What is responsible for keeping the testes within a temperature range that is ideal for spermatogenesis
the cremaster muscle
Which of the following Estrous Cycle Intervals apply to dogs?
Finding greater than 90% anuclear, cornified (keratinized) epithelial cells on vaginal cytology in an intact bitch would be indicative of which stage of the estrus cycle?
Which of the following reproductive structures is responsible for secreting estrogens?
Which of the following is true about gametes?
they have a haploid chromosome number
Which of the following is an advantage of sexual reproduction (vs. asexual reproduction)?
it produces genetic diversity more rapidly
Which of the following results in 4 haploid cells?
Which of the following results in 2 identical daughter cells with a diploid number of chromosomes?
Which of the following results in the production of haploid chromosome number containing cells?
During an ovariohysterectomy (OVH or spay), which of the following structures are surgically removed?
the ovaries, oviducts, uterine horns, and uterine body.
In which part of the reproductive tract do the spermatozoa finally encounter the ovum?
What do ovaries and testes share in common?
both produce haploid cells
Which of the following structures is part of a countercurrent heat exchanger?
the pampiniform plexus
Progestins help change the animal's behavior in preparation for breeding and sexual receptivity.
The following image is of a
diploid cell from a male
The process depicted on the right half of the image below is:
The structures contained within the white oval that the arrow is pointing to is known as:
the spermatic cord
The black arrow refers to a
"D" is located over what tissue?
corpus cavernosum penis
The black bracket is referring to an enlargement known as the
bulb of the glans
The black arrow is referring to the
suspensory ligament of the ovary
Match the numbers below with the correct, corresponding anatomical term
The number 1 below refers to
the parietal vaginal tunic
The number 2 below refers to the
When a bull's penis becomes erect, the retractor muscle contract
Because the bull's penis has a sigmoid flexure or S-shape, in order for it to straighten out during an erection, the retractor penis muscle actually needs to RELAX! When the retractor penis muscle contracts, it RETRACTS the penis back into it's S-shaped sigmoid flexure position.
Which of the following accessory reproductive glands provides spermatozoa with a fructose-rich source of energy to help them move.
*fructose is a monosaccharide sugar, also known as "fruit sugar"
Spermatogenesis takes place in which of the following structures?
Which of the following accessory reproductive glands would ensure that the urethral lumen is lubricated and cleared before the passage of semen?
Which of the following cells protect the spermatids from the animal's own immune system?
Which of the following animals has a retractor penis muscle associated with an S-shaped penis?
Spermatogenesis requires a slightly warmer temperature than body temperature.
Spermatogenesis requires a cooler temperature than body temperature, that's why it's in the scrotum and not within the abdominal cavity.
Which of the following ligaments is connected to the last rib on one end and the ovary on the other?
suspensory ligament of the ovary
Which of the following erectile tissue of the penis is not paired?
corpus cavernosum urethrae
The next anatomical structure spermatozoa enter as they leave the tail of the epididymis would be the pelvic urethra.
As soon as the spermatozoa leave the tail of the epididymis, they enter the ductus deferens!
Which membrane or tissue is most closely adhered to the surface of the testis?
visceral vaginal tunic
Sperm cells (spermatozoa) are produced by the
The hormone produced by a developing ovarian follicle is
The canine uterus is shaped like the letter
The hormone responsible for maintaining pregnancy is
Once a spermatozoon enters the ovum, the resulting DIPLOID cell is called a
The functional unit of the Urinary System is
The functional unit of the reproductive system
are the gametes, gonads, and hormones.
What does a developing human embryo have that is a genetic remnant of our reptilian history?
Yes. Reptiles are mostly egg-layers and the developing fetus uses the yolk sac as an energy source (as apposed to the mother's uterine lining, oxygen, etc.).
Why did the earliest land mammals have a relatively large brain?
They needed a bigger central nervous system to process all the sensory organ stimulation involved in a nocturnal lifestyle.
Hair is believed to have first evolved in small mammals to function as what?
A sensory organ to help them navigate at night.
What did the study of a developing opossum reveal?
That the auditory ossicles are derived from the caudal mandibular bones and get repurposed to the middle ear to function in hearing.
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