Question 1

Which gland has one part derived from mouth epithelium and a second part derived from neural tissue?

Accepted Answer

A)  Adrenal gland 
B)  Thyroid gland 
C)  Hypothalamus 
D)  Parathyroid gland 
E)  Pituitary gland 
A)  Adrenal gland 
B)  Thyroid gland 
C)  Hypothalamus 
D)  Parathyroid gland 
E)  Pituitary gland

Question 2

Refer to the figure featuring the anterior pituitary.   The most immediate control of the contractions that lead to childbirth is a hormone released by which structure?

Accepted Answer

The answer of Refer to the figure featuring the anterior...

Question 3

You can buy oxytocin in a nasal spray on the internet.The most likely claim made by the manufacturers of this product is that it

Accepted Answer

A)  increases focus without the effects of caffeine. 
B)  induces weight loss by "browning" white adipose cells. 
C)  helps increase weight by increasing muscle mass. 
D)  produces a calming effect by reducing social anxiety. 
E)  slows the progress of type II diabetes by increasing insulin levels. 
A)  increases focus without the effects of caffeine. 
B)  induces weight loss by "browning" white adipose cells. 
C)  helps increase weight by increasing muscle mass. 
D)  produces a calming effect by reducing social anxiety. 
E)  slows the progress of type II diabetes by increasing insulin levels.

Question 4

Which statement about luteinizing hormone is true?

Accepted Answer

A)  It stimulates ovaries to increase production of follicle-stimulating hormone. 
B)  It is prompted by testosterone to initiate development of secondary sex characteristics in males. 
C)  It stimulates testes to increase production of sex hormones. 
D)  It is a steroid hormone. 
E)  Its production is controlled by corticotropin-releasing hormone. 
A)  It stimulates ovaries to increase production of follicle-stimulating hormone. 
B)  It is prompted by testosterone to initiate development of secondary sex characteristics in males. 
C)  It stimulates testes to increase production of sex hormones. 
D)  It is a steroid hormone. 
E)  Its production is controlled by corticotropin-releasing hormone.

Question 5

If you fast for a day, which hormone is most likely to be found at an increased level in your blood?

Accepted Answer

A)  Somatostatin 
B)  Insulin 
C)  Glucagon 
D)  Calcitonin 
E)  Prolactin 
A)  Somatostatin 
B)  Insulin 
C)  Glucagon 
D)  Calcitonin 
E)  Prolactin

Question 6

The hormone responsible for releasing calcium from bone into the bloodstream is

Accepted Answer

A)  insulin. 
B)  calcitonin. 
C)  parathyroid hormone. 
D)  thyroxine. 
E)  somatostatin. 
A)  insulin. 
B)  calcitonin. 
C)  parathyroid hormone. 
D)  thyroxine. 
E)  somatostatin.

Question 7

Refer to the figure showing the hormonal regulation of calcium.   Based on the figure, it would be logical to suggest using _______ as a treatment for osteoporosis.

Accepted Answer

The answer of Refer to the figure showing the hormonal...

Question 8

Which statement about transmembrane glycoprotein complexes is false?

Accepted Answer

A)  The cytoplasmic domain initiates the response of the target cell through a second-messenger cascade. 
B)  The binding domain anchors the receptor in the cell membrane. 
C)  Signaling cascades generated by these receptors can enter the nucleus and alter gene expression. 
D)  Second-messengerF1F1F1S1F1F1F10activated cascades generated by these receptors eventually activate either protein kinases or protein phosphatases. 
E)  Signaling cascades generated by these receptors typically alter the activity of enzymes in the cytoplasm, which leads to the cell's response. 
A)  The cytoplasmic domain initiates the response of the target cell through a second-messenger cascade. 
B)  The binding domain anchors the receptor in the cell membrane. 
C)  Signaling cascades generated by these receptors can enter the nucleus and alter gene expression. 
D)  Second-messengerF1F1F1S1F1F1F10activated cascades generated by these receptors eventually activate either protein kinases or protein phosphatases. 
E)  Signaling cascades generated by these receptors typically alter the activity of enzymes in the cytoplasm, which leads to the cell's response.

Question 9

Under which condition would a mammal's thyroxine levels tend to increase?

Accepted Answer

A)  Following childbirth in a female 
B)  During torpor when body temperature drops 10°C‒20°C 
C)  When blood glucose levels are high 
D)  During sleep and rest 
E)  When exposed to cold 
A)  Following childbirth in a female 
B)  During torpor when body temperature drops 10°C‒20°C 
C)  When blood glucose levels are high 
D)  During sleep and rest 
E)  When exposed to cold

Question 10

Which of the following is an effect of increased levels of antidiuretic hormone in the blood?

Accepted Answer

A)  Letdown of milk from mammary tissues 
B)  Uterine contractions during birth 
C)  Production of enkephalins by the hypothalamus 
D)  Production of somatomedins by the liver 
E)  Water conservation by the kidney 
A)  Letdown of milk from mammary tissues 
B)  Uterine contractions during birth 
C)  Production of enkephalins by the hypothalamus 
D)  Production of somatomedins by the liver 
E)  Water conservation by the kidney

Question 11

Refer to the figure featuring the anterior pituitary.   The small colored triangles labeled 4 could be any of these hormones except

Accepted Answer

A)  adrenocorticotropin (ACTH). 
B)  gonadotropin-releasing hormone (GnRH). 
C)  thyroid-stimulating hormone (TSH). 
D)  luteinizing hormone (LH). 
E)  follicle-stimulating hormone (FSH). 
A)  adrenocorticotropin (ACTH). 
B)  gonadotropin-releasing hormone (GnRH). 
C)  thyroid-stimulating hormone (TSH). 
D)  luteinizing hormone (LH). 
E)  follicle-stimulating hormone (FSH).

Question 12

Make a flow chart depicting how the breast feeding of an infant soon after birth helps a mother's uterus return to its pre-pregnancy size.

Accepted Answer

See the sa

Question 13

Epinephrine binds to a set of adrenergic receptors found on a variety of cell types.Which reaction would not be an expected outcome of this binding?

Accepted Answer

A)  Increased heart rate 
B)  Increased digestion 
C)  Increased blood pressure 
D)  Increased blood flow to skeletal muscles 
E)  Increased breakdown of glycogen in the liver 
A)  Increased heart rate 
B)  Increased digestion 
C)  Increased blood pressure 
D)  Increased blood flow to skeletal muscles 
E)  Increased breakdown of glycogen in the liver

Question 14

Prior to modern times, goiters used to be common in human populations that lived far from the ocean.This was most likely due to a lack of _______ in their diets.

Accepted Answer

The answer of Prior to modern times, goiters used to...

Question 15

Which statement about growth hormone or its function is true?

Accepted Answer

A)  Growth hormone stops being produced just prior to birth. 
B)  Underproduction of growth hormone can cause gigantism through a negative feedback loop. 
C)  Hormone therapy cannot prevent pituitary dwarfism. 
D)  Neurohormones of the hypothalamus influence the release of growth hormone. 
E)  Growth hormone is produced in the posterior pituitary gland. 
A)  Growth hormone stops being produced just prior to birth. 
B)  Underproduction of growth hormone can cause gigantism through a negative feedback loop. 
C)  Hormone therapy cannot prevent pituitary dwarfism. 
D)  Neurohormones of the hypothalamus influence the release of growth hormone. 
E)  Growth hormone is produced in the posterior pituitary gland.

Question 16

Which hormone activates many aspects of the fight-or-flight response?

Accepted Answer

A)  Prolactin 
B)  Testosterone 
C)  Epinephrine 
D)  Thyroxine 
E)  Leptin 
A)  Prolactin 
B)  Testosterone 
C)  Epinephrine 
D)  Thyroxine 
E)  Leptin

Question 17

Which statement about blood calcium regulation is true?

Accepted Answer

A)  When blood calcium is too low, the thyroid gland secretes calcitonin. 
B)  Calcitonin stimulates osteoclast activity. 
C)  When blood calcium is too high, the parathyroid glands secrete parathyroid hormone. 
D)  An overly excited nervous system and muscle spasms are symptoms of low blood calcium. 
E)  When blood calcium is low, osteoblasts take up calcium from the blood and build bone. 
A)  When blood calcium is too low, the thyroid gland secretes calcitonin. 
B)  Calcitonin stimulates osteoclast activity. 
C)  When blood calcium is too high, the parathyroid glands secrete parathyroid hormone. 
D)  An overly excited nervous system and muscle spasms are symptoms of low blood calcium. 
E)  When blood calcium is low, osteoblasts take up calcium from the blood and build bone.

Question 18

Prolactin

Accepted Answer

A)  stimulates milk production and therefore is only found in female mammals. 
B)  probably functioned in osmoregulation in early vertebrates. 
C)  is found in different vertebrate groups but has a different structure in each group. 
D)  causes snakes to produce milk if it is experimentally injected into them. 
E)  inhibits reproductive development in amphibians. 
A)  stimulates milk production and therefore is only found in female mammals. 
B)  probably functioned in osmoregulation in early vertebrates. 
C)  is found in different vertebrate groups but has a different structure in each group. 
D)  causes snakes to produce milk if it is experimentally injected into them. 
E)  inhibits reproductive development in amphibians.

Question 19

Experimental destruction of the corpora allata of a third-instar Rhodnius would cause

Accepted Answer

A)  molting into a fourth instar. 
B)  molting to cease. 
C)  molting into an adult. 
D)  shrinking of the prothoracic gland. 
E)  death. 
A)  molting into a fourth instar. 
B)  molting to cease. 
C)  molting into an adult. 
D)  shrinking of the prothoracic gland. 
E)  death.

Question 20

Which hormone(s) is/are secreted by the posterior pituitary gland?

Accepted Answer

A)  Prolactin 
B)  Oxytocin 
C)  Endorphins 
D)  Growth hormone 
E)  Luteinizing hormone 
A)  Prolactin 
B)  Oxytocin 
C)  Endorphins 
D)  Growth hormone 
E)  Luteinizing hormone

Exam 40: Animal Hormones

Which gland has one part derived from mouth epithelium and a second part derived from neural tissue?

Refer to the figure featuring the anterior pituitary. The most immediate control of the contractions that lead to childbirth is a hormone released by which structure?

You can buy oxytocin in a nasal spray on the internet.The most likely claim made by the manufacturers of this product is that it

Which statement about luteinizing hormone is true?

If you fast for a day, which hormone is most likely to be found at an increased level in your blood?

The hormone responsible for releasing calcium from bone into the bloodstream is

Refer to the figure showing the hormonal regulation of calcium. Based on the figure, it would be logical to suggest using _______ as a treatment for osteoporosis.

Which statement about transmembrane glycoprotein complexes is false?

Under which condition would a mammal's thyroxine levels tend to increase?

Which of the following is an effect of increased levels of antidiuretic hormone in the blood?

Refer to the figure featuring the anterior pituitary. The small colored triangles labeled 4 could be any of these hormones except

Make a flow chart depicting how the breast feeding of an infant soon after birth helps a mother's uterus return to its pre-pregnancy size.

Epinephrine binds to a set of adrenergic receptors found on a variety of cell types.Which reaction would not be an expected outcome of this binding?

Prior to modern times, goiters used to be common in human populations that lived far from the ocean.This was most likely due to a lack of _______ in their diets.

Which statement about growth hormone or its function is true?

Which hormone activates many aspects of the fight-or-flight response?

Which statement about blood calcium regulation is true?

Prolactin

Experimental destruction of the corpora allata of a third-instar Rhodnius would cause

Which hormone(s) is/are secreted by the posterior pituitary gland?

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