BIOL 1120 EXAM 5 WITH
CORRECT
ANSWERS 2025
The presence of human chorionic gonadotropin (hCG) ( correct
results in Maintenance of the corpus luteum answers )
What is true. In the placenta, fetal and maternal blood
( correct answers ) Posses hemoglobin with
different affinities for oxygen, flow in opposite directions, exchange
gasses
Do fetal and maternal blood come in contact? ( correct answers ) NO!
Edward Jenner observed that individuals exposed to ( correct answers )
Cowpox did not get smallpox
One of the ways the skin inhibits pathogens is through
( correct answers ) An acidic pH
In the innate immune response, leukocytes are altered to the presence of
foreign invaders by that are found on the surfaces of pathogens, but
not on host cells. ( correct answers ) Antigens
Which cells function to induce a fever? ( correct answers ) Macrophages
Animals break down nitrogenous wastes into , which is toxic and
must be removed. ( correct answers ) Ammonia
In insects, which structures initially remove nitrogenous wastes from the
hemolymph? ( correct answers ) Malpighian tubules and hindguts
In which part of the nephron does filtration based on size occur? ( correct
answers ) Renal corpuscle
Which is true of endotherms? ( correct answers ) Can
provide all the heat they need through their metabolism
Pepsinogen is secreted by ( correct answers ) Chief cells
In the control of internal temperature in endotherms, the hypothalamus
acts as an ( correct answers )
Integrator
In days 0-7 of the follicular phase of the menstrual cycle ( correct
answers ) The follicle is beginning to develop
, In days 8-14 of the follicular phase of the ( correct
menstrual cycle Estradiol levels are surging answers )
The master gradient used by many animal species to power the transport
of other ions involves ions ( correct answers ) Sodium (Na+)
In some bird species, the esophagus is widened, providing a space for the
temporary storing of food. The widened region is known as ( correct
answers ) The crop
What does the gizzard in a bird do? ( correct answers )
Ingest
The arrangement of blood vessels in the tongue of whales serves to
( correct answers
) Minimize heat loss
Freshwater fish osmoregulate ( correct answers ) By not
drinking and producing a large amount of watery urine
LH and FSH peak at about day of the human menstrual cycle? ( correct
answers
) Day 14
In which part of the nephron does reabsorption of water, electrolytes,
and glucose occur? ( correct answers ) Proximal tubule
Aldosterone in the nephron serves to ( correct answers )
Recover NaCl
Which part of the nephron is under hormonal influence?
( correct answers ) Collecting ducts
Testosterone enters its( correct answers ) Target cells
Because of its effect on other glands, this structure is known as the
master gland ( correct answers )
Anterior pituitary
Which gland/organ most directly influences calcium homeostasis ( correct
answers ) Parathyroid
The variation in structure of the jaws and teeth in cichlid fish is an example
of
( correct answers ) Adaptive radiation
Amylase is an enzyme that catalyzes the digestion of ( correct
answers ) Carbohydrates
Fluid produced in the seminal vesicles contains
( correct answers ) Fructose An acrosome is found
( correct answers ) On the head of sperm
CORRECT
ANSWERS 2025
The presence of human chorionic gonadotropin (hCG) ( correct
results in Maintenance of the corpus luteum answers )
What is true. In the placenta, fetal and maternal blood
( correct answers ) Posses hemoglobin with
different affinities for oxygen, flow in opposite directions, exchange
gasses
Do fetal and maternal blood come in contact? ( correct answers ) NO!
Edward Jenner observed that individuals exposed to ( correct answers )
Cowpox did not get smallpox
One of the ways the skin inhibits pathogens is through
( correct answers ) An acidic pH
In the innate immune response, leukocytes are altered to the presence of
foreign invaders by that are found on the surfaces of pathogens, but
not on host cells. ( correct answers ) Antigens
Which cells function to induce a fever? ( correct answers ) Macrophages
Animals break down nitrogenous wastes into , which is toxic and
must be removed. ( correct answers ) Ammonia
In insects, which structures initially remove nitrogenous wastes from the
hemolymph? ( correct answers ) Malpighian tubules and hindguts
In which part of the nephron does filtration based on size occur? ( correct
answers ) Renal corpuscle
Which is true of endotherms? ( correct answers ) Can
provide all the heat they need through their metabolism
Pepsinogen is secreted by ( correct answers ) Chief cells
In the control of internal temperature in endotherms, the hypothalamus
acts as an ( correct answers )
Integrator
In days 0-7 of the follicular phase of the menstrual cycle ( correct
answers ) The follicle is beginning to develop
, In days 8-14 of the follicular phase of the ( correct
menstrual cycle Estradiol levels are surging answers )
The master gradient used by many animal species to power the transport
of other ions involves ions ( correct answers ) Sodium (Na+)
In some bird species, the esophagus is widened, providing a space for the
temporary storing of food. The widened region is known as ( correct
answers ) The crop
What does the gizzard in a bird do? ( correct answers )
Ingest
The arrangement of blood vessels in the tongue of whales serves to
( correct answers
) Minimize heat loss
Freshwater fish osmoregulate ( correct answers ) By not
drinking and producing a large amount of watery urine
LH and FSH peak at about day of the human menstrual cycle? ( correct
answers
) Day 14
In which part of the nephron does reabsorption of water, electrolytes,
and glucose occur? ( correct answers ) Proximal tubule
Aldosterone in the nephron serves to ( correct answers )
Recover NaCl
Which part of the nephron is under hormonal influence?
( correct answers ) Collecting ducts
Testosterone enters its( correct answers ) Target cells
Because of its effect on other glands, this structure is known as the
master gland ( correct answers )
Anterior pituitary
Which gland/organ most directly influences calcium homeostasis ( correct
answers ) Parathyroid
The variation in structure of the jaws and teeth in cichlid fish is an example
of
( correct answers ) Adaptive radiation
Amylase is an enzyme that catalyzes the digestion of ( correct
answers ) Carbohydrates
Fluid produced in the seminal vesicles contains
( correct answers ) Fructose An acrosome is found
( correct answers ) On the head of sperm
