Question 1

The hormone being released from the organs shown in the figure is likely to be ________.

Accepted Answer

A) adrenalin 
B) growth 
C) testosterone 
A) adrenalin 
B) growth 
C) testosterone A

Question 2

-In the study shown in the figure, male African clawed frogs were treated with atrazine, which is the most commonly applied herbicide (weed-killer)in the world.. These frogs were compared to other untreated frogs. Treated and untreated frogs were presented with a female and the number of successful matings of each was recorded. What questions can be answered by these data?

Accepted Answer

A) Does atrazine have a greater effect on male frogs than on female frogs? 
B) Does the level of testosterone relate to mating success? 
C) Do individual frogs mate fewer times if they have been exposed to atrazine? 
D) Can atrazine be used to control frog population size? 
A) Does atrazine have a greater effect on male frogs than on female frogs? 
B) Does the level of testosterone relate to mating success? 
C) Do individual frogs mate fewer times if they have been exposed to atrazine? 
D) Can atrazine be used to control frog population size? B

Question 3

Which choice INCORRECTLY pairs an endocrine gland or hormone with an aspect of metabolism that it regulates?

Accepted Answer

A) TSH-thyroid hormone 
B) pancreas-blood glucose levels 
C) adrenalin-blood calcium levels 
A) TSH-thyroid hormone 
B) pancreas-blood glucose levels 
C) adrenalin-blood calcium levels C

Question 4

Seawater is rich in iodine and is found in coastal soils and in seafood. This might explain why scientists observer that ________.

Accepted Answer

A) goiters rarely appear in people living near the coast 
B) fish have body fluids that are isotonic to seawater 
C) hormones generally travel through the blood circulatory system 
D) many sea creatures have shells composed of calcium 
A) goiters rarely appear in people living near the coast 
B) fish have body fluids that are isotonic to seawater 
C) hormones generally travel through the blood circulatory system 
D) many sea creatures have shells composed of calcium

Question 5

Which hormone affects the greatest variety of cell types?

Accepted Answer

A) thyroid stimulating hormone 
B) insulin 
C) growth hormone 
D) antidiuretic hormone 
A) thyroid stimulating hormone 
B) insulin 
C) growth hormone 
D) antidiuretic hormone

Question 6

Which list includes only those factors necessary for a hormone to be effective?

Accepted Answer

A) hormone producing gland, a duct through which hormones can flow, proper receptors at target organ 
B) hormone producing cells with membrane channels through which the hormone can be released, proper receptors in the bloodstream and a target organ 
C) hormone producing cells with membrane channels through which the hormone can be released, access to the bloodstream and receptors on a target organ 
D) hormone producing gland that is controlled by another hormone producing gland, a duct through which hormones can flow, a clear connection to the target organ 
A) hormone producing gland, a duct through which hormones can flow, proper receptors at target organ 
B) hormone producing cells with membrane channels through which the hormone can be released, proper receptors in the bloodstream and a target organ 
C) hormone producing cells with membrane channels through which the hormone can be released, access to the bloodstream and receptors on a target organ 
D) hormone producing gland that is controlled by another hormone producing gland, a duct through which hormones can flow, a clear connection to the target organ

Question 7

Steroid hormones usually ________.

Accepted Answer

A) trigger a signal transduction pathway when they bind to a membrane receptor 
B) bind to mRNA in the cytoplasm to initiate transcription 
C) bind to receptors in the cytoplasm or nucleus 
D) bind to rRNA to prevent translation 
A) trigger a signal transduction pathway when they bind to a membrane receptor 
B) bind to mRNA in the cytoplasm to initiate transcription 
C) bind to receptors in the cytoplasm or nucleus 
D) bind to rRNA to prevent translation

Question 8

Which structure is part of the brain?

Accepted Answer

A) thyroid 
B) hypothalamus 
C) adrenal cortex 
A) thyroid 
B) hypothalamus 
C) adrenal cortex

Question 9

If the boxer wanted to be more confident and less stressed as he entered the fight, a good strategy would be to ________.

Accepted Answer

A) eat a large amount of carbohydrates to be sure glucose is properly regulated 
B) assume a power pose for a period of time before the fight 
C) drink milk to increase the amount of calcium in his blood 
D) take iodide tablets to insure that sufficient thyroxin is produced 
A) eat a large amount of carbohydrates to be sure glucose is properly regulated 
B) assume a power pose for a period of time before the fight 
C) drink milk to increase the amount of calcium in his blood 
D) take iodide tablets to insure that sufficient thyroxin is produced

Question 10

Hormones are usually transported through ________ and affect only cells with ________.

Accepted Answer

A) ducts; specific receptors 
B) intercellular junctions; cell junctions 
C) blood vessels; specific receptors 
D) blood vessels; cell junctions 
A) ducts; specific receptors 
B) intercellular junctions; cell junctions 
C) blood vessels; specific receptors 
D) blood vessels; cell junctions

Question 11

Hypothyroidism can result in ________.

Accepted Answer

A) goiter 
B) a low sperm count 
C) too little iodine 
D) hyperactivity 
A) goiter 
B) a low sperm count 
C) too little iodine 
D) hyperactivity

Question 12

Which statement is TRUE?

Accepted Answer

A) The anterior pituitary is composed of nervous tissue. 
B) The anterior pituitary and posterior pituitary work together to secrete the same hormones. 
C) Inhibiting hormones make the anterior pituitary secrete hormones. 
D) The pituitary secretes hormones that influence numerous body functions. 
A) The anterior pituitary is composed of nervous tissue. 
B) The anterior pituitary and posterior pituitary work together to secrete the same hormones. 
C) Inhibiting hormones make the anterior pituitary secrete hormones. 
D) The pituitary secretes hormones that influence numerous body functions.

Question 13

Which gland would be most likely impacted by a lack of the element iodine in your diet?

Accepted Answer

A) thyroid 
B) adrenal 
C) anterior pituitary 
D) ovary 
A) thyroid 
B) adrenal 
C) anterior pituitary 
D) ovary

Question 14

Examine the figure. The process shown is an example of ________.

Accepted Answer

A) information flow from the pancreas to the liver 
B) regulation by the hypothalamus 
C) regulation of thyroxin by the liver 
D) the production of dwarfism 
A) information flow from the pancreas to the liver 
B) regulation by the hypothalamus 
C) regulation of thyroxin by the liver 
D) the production of dwarfism

Question 15

Examine the figure. If blood glucose levels decline, ________.

Accepted Answer

A) the pancreas releases more glucagon, which causes glucose to be released into the blood 
B) the pancreas releases more insulin, which causes glucose to be released into the blood 
C) body cells take up more glucose 
D) liver cells convert glucose to glycogen 
A) the pancreas releases more glucagon, which causes glucose to be released into the blood 
B) the pancreas releases more insulin, which causes glucose to be released into the blood 
C) body cells take up more glucose 
D) liver cells convert glucose to glycogen

Question 16

In general, hormones that bind to plasma membrane receptors ________.

Accepted Answer

A) are steroid hormones 
B) bind to DNA and cause changes in transcription 
C) cannot pass through cell membranes 
D) are produced in the interstitial fluid 
A) are steroid hormones 
B) bind to DNA and cause changes in transcription 
C) cannot pass through cell membranes 
D) are produced in the interstitial fluid

Question 17

Which hormone is made by the hypothalamus and released by the posterior pituitary?

Accepted Answer

A) estrogen 
B) growth hormone 
C) ADH 
D) insulin 
A) estrogen 
B) growth hormone 
C) ADH 
D) insulin

Question 18

Which of these behaviors is NOT associated with androgens?

Accepted Answer

A) body-slamming in elephant seals 
B) mating songs in frogs 
C) territorial battles in fish 
D) maturation of ovaries in bears 
A) body-slamming in elephant seals 
B) mating songs in frogs 
C) territorial battles in fish 
D) maturation of ovaries in bears

Question 19

Epinephrine ________.

Accepted Answer

A) decreases metabolic rate 
B) decreases heart rate 
C) increases absorption of glucose by the digestive tract 
D) increases breathing rate 
A) decreases metabolic rate 
B) decreases heart rate 
C) increases absorption of glucose by the digestive tract 
D) increases breathing rate

Question 20

As this boxer is finishing his fight, which of these hormone is NOT likely to be elevated?

Accepted Answer

A) adrenalin 
B) ADH 
C) insulin 
D) androgens 
A) adrenalin 
B) ADH 
C) insulin 
D) androgens

Exam 25: Hormones

The hormone being released from the organs shown in the figure is likely to be ________.

Which choice INCORRECTLY pairs an endocrine gland or hormone with an aspect of metabolism that it regulates?

Seawater is rich in iodine and is found in coastal soils and in seafood. This might explain why scientists observer that ________.

Which hormone affects the greatest variety of cell types?

Which list includes only those factors necessary for a hormone to be effective?

Steroid hormones usually ________.

Which structure is part of the brain?

If the boxer wanted to be more confident and less stressed as he entered the fight, a good strategy would be to ________.

Hormones are usually transported through ________ and affect only cells with ________.

Hypothyroidism can result in ________.

Which statement is TRUE?

Which gland would be most likely impacted by a lack of the element iodine in your diet?

Examine the figure. The process shown is an example of ________.

Examine the figure. If blood glucose levels decline, ________.

In general, hormones that bind to plasma membrane receptors ________.

Which hormone is made by the hypothalamus and released by the posterior pituitary?

Which of these behaviors is NOT associated with androgens?

Epinephrine ________.

As this boxer is finishing his fight, which of these hormone is NOT likely to be elevated?

Learning About Life

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy From Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells From Cells

Patterns of Inheritance

The Structure and Function of Dna

How Genes Are Controlled

Dna Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Reproduction and Development

Nervous, Sensory, and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

Filters

Hormones are usually transported through and affect only cells with .