Question 1 of 30 3.33/ 3.33 Points
Glucose is found in the glomerular filtrate but not in the urine because:
A. Glucose is reabsorbed back into the bloodstream
B. Glucose molecules are too large to pass through the loop of the nephron
C. The kidney cells require glucose because energy is needed for active transport
D. Glucose is converted to amino acids in the kidneys
E. The kidneys store glucose as glycogen
Question 2 of 30 3.33/ 3.33 Points
The presence of ________ in the urine is an early indicator of chronic renal failure.
C. White blood cells
Question 3 of 30 3.33/ 3.33 Points
What happens if humans drink sea water?
A. Their rectal glands expel excess salt.
B. They secrete excess salt with their salt glands.
C. There is no net change in the water content of their cells.
D. Their cells lose water.
E. Their cells gain water.
Question 4 of 30 3.33/ 3.33 Points
A biologist is studying the part of the kidney which consists of six to ten cone-shaped renal pyramids. Based on this information you would conclude that he or she is studying which of the following structures?
A. The renal nephron
B. The renal collecting duct
C. The renal cortex
D. The renal pelvis
E. The renal medulla
Question 5 of 30 3.33/ 3.33 Points
This figure shows a nephron and its blood supply. What does “d” represent?
A. The distal convoluted tubule
B. The proximal convoluted tubule
C. Afferent arteriole
D. Peritubular capillaries
E. Efferent arteriole
Question 6 of 30 3.33/ 3.33 Points
Which of the following would be found in high concentrations in the urine of a diabetic?
A. Red blood cells
Part 2 of 6 – 9.99/ 23.31 Points
Question 7 of 30 0.0/ 3.33 Points
Which of the following is not secreted by the adrenal glands?
Question 8 of 30 3.33/ 3.33 Points
Which of the following is responsible for the production of insulin?
A. The thyroid
B. The thymus
C. The pituitary gland
D. The adrenal glands
E. The pancreas
Question 9 of 30 0.0/ 3.33 Points
A biologist is studying the portion of the endocrine system which secretes hormones that produce long-term responses to stress. Based on this information you would conclude that he or she is studying:
A. The adrenal medulla
B. The thyroid gland
C. The adrenal cortex
D. The hypothalamus
E. The thymus gland
Question 10 of 30 3.33/ 3.33 Points
Which of the following is not a symptom for diabetes?
A. Unusual hunger and/or thirst
B. Frequent urination, especially at night
C. Blurred vision
D. Increased heart rate
E. Excessive fatigue
Question 11 of 30 3.33/ 3.33 Points
Which of the following hormones require iodine?
A. Parathyroid hormone
Question 12 of 30 0.0/ 3.33 Points
The anterior pituitary does not stimulate the:
A. Mammary glands
B. Testes and ovaries
D. Adrenal cortex
E. Adrenal medulla
Question 13 of 30 0.0/ 3.33 Points
Cushing syndrome is caused by a hypersecretion from which of the following endocrine glands?
A. The hypothalamus
B. The adrenal cortex
C. The thyroid
D. The pancreas
E. The adrenal medulla
Question 14 of 30 3.33/ 3.33 Points
This figure shows the anatomy of the male reproductive system. What does “c” represent?
A. The vas deferens
B. The testis
C. The urethra
D. The prostate gland
E. The epididymis
Question 15 of 30 3.33/ 3.33 Points
This figure shows the late gastrula stage in frog development. What does “e” represent?
C. Yolk plug
Question 16 of 30 3.33/ 3.33 Points
If you were studying days 6-13 of the 28 uterine cycle you would be studying which of the following?
A. The menstrual phase
B. The proliferative phase
C. The secretory phase
D. The ovulation phase
E. The fertilization phase
Question 17 of 30 3.33/ 3.33 Points
A biologist is studying the structure in the developing embryo which will serve as the storage place for nitrogenous waste. Based on this information you would conclude that he or she is studying which of the following?
A. The trophoblast
B. The chorion
C. The yolk sac
D. The allantois
E. The amnion
Question 18 of 30 3.33/ 3.33 Points
The neural tube of vertebrates develops during morphogenesis of the nervous system by the:
A. Fusion of ectoderm and mesoderm
B. Folding of ectoderm tissue
C. Contraction of the endoderm away from the mesoderm
D. Fusion of endoderm and mesoderm
E. Migration of mesoderm cells
Question 19 of 30 3.33/ 3.33 Points
This figure shows the late gastrula stage in frog development. What does “a” represent?
B. Yolk plug
C. Primitive gut
Question 20 of 30 3.33/ 3.33 Points
Which hormone stimulates and maintains the secondary sexual characteristics in males at puberty?
Question 21 of 30 3.33/ 3.33 Points
In the lab simulation some organs of the digestive system were removed in order to observe other organ systems. What organ was not removed?
A. Liver, gall bladder, and pancreas
C. Large and small intestine
Question 22 of 30 3.33/ 3.33 Points
Before you can observe the interior of the frog’s mouth you need to:
A. Prop open the mouth with a toothpick
B. Cut the frog’s jaw
C. Remove the skin on the head
D. Cut the ventral skin anteriorly to the jaw
Question 23 of 30 3.33/ 3.33 Points
In what organ is digestion completed?
C. Small intestine
Question 24 of 30 3.33/ 3.33 Points
Which of the following structures cannot be seen on the inside of the frog’s mouth?
A. Vomerine teeth
D. Opening to the esophagus
Question 25 of 30 3.33/ 3.33 Points
What are the two most anterior lobes of the frog brain that can be seen under the skull bone?
D. Optic lobes
Question 26 of 30 0.0/ 3.33 Points
Which of the following is not true about the appendicular region of the frog skeleton?
A. Is made up of the wrist ankle and toes of the limbs
B. Includes the skull
C. Is composed of 112 bones
D. Comprises the fore limbs and the hind limbs
Question 27 of 30 3.33/ 3.33 Points
Both the human and frog livers produce what substance that aids in digestion?
A. Phosphate buffers
Question 28 of 30 3.33/ 3.33 Points
Which of the following describes the glottis?
A. It contains the two vomerine teeth
B.It is a passage of air to the outside
C. It leads to the stomach
D. It is the opening to the frog’s respiratory system
Question 29 of 30 3.33/ 3.33 Points
Why are frogs classified as amphibians?
Question 30 of 30 3.33/ 3.33 Points
Name and describe the function of the small slit at the posterior end of the frog’s body.
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