BIO 106 COMPREHENSIVE QUESTIONS AND VERIFIED
ANSWERS COMPLETE TEST\STUDY GUIDE 2024UPDATE
1)Parathyroid hormone (PTH) is secreted by the parathyroid glands in response
to low blood concentration of calcium ions. This mechanism operates by a
________.
A)steroid stimulus
B)neural stimulus
C)hormonal stimulus
D)messenger stimulus
E)humoral stimulus
humoral stimulus
2)Select the statement that best describes the function of tropic hormones.
A)Tropic hormones stimulate the thymus gland to secrete hormones.
B)Tropic hormones stimulate nervous tissue to produce neurotransmitters.
C)Tropic hormones stimulate the pineal gland to secrete hormones.
D)Tropic hormones stimulate other endocrine glands to secrete hormones.
E)Tropic hormones stimulate production of prostaglandins.
Tropic hormones stimulate other endocrine glands to secrete hormones.
3)Which of these anterior pituitary hormones regulates the endocrine activity of
the cortex region of the adrenal gland?
A)Adrenocorticotropic hormone (ACTH)
B)Luteinizing hormone (LH)
C)Thyrotropic hormone (thyroid-stimulating hormone, or TSH)
D)Growth hormone (GH)
E)Prolactin (PRL)
Adrenocorticotropic hormone (ACTH)
4)What is the primary effect of prolactin?
A)Stimulate and maintain milk production after childbirth
B)Stimulate follicle development in the ovaries
C)Promote milk ejection in a woman nursing her infant
D)Trigger ovulation of an egg from the ovary
E)Stimulate contractions of the uterus during breastfeeding
Stimulate and maintain milk production after childbirth
5)Which system produces chemical messengers known as hormones?
A)Immune system
B)Endocrine system
,C)Muscular system
D)Integumentary system
E)Nervous system
Endocrine system
6)How would you classify a hormone that is made from cholesterol, such as a sex
hormone?
A)Amine hormone
B)Protein hormone
C)Prostaglandin
D)Peptide hormone
E)Steroid hormone
Steroid hormone
7)Which one of the following is not typical of the changes that follow the binding
of a hormone to its target cells?
A)Mitosis is stimulated.
B)Plasma membrane permeability changes.
C)Proteins are synthesized in the cell.
D)Cellular mutations occur.
E)Enzymes are activated or inactivated.
Cellular mutations occur.
8)In the second-messenger system, what serves as the first messenger?
A)ATP
B)mRNA
C)The hormone
D)Cyclic AMP (cAMP)
E)DNA
The hormone
9)Being lipid soluble, steroids can do all the following except ________.
A)diffuse through the plasma membranes of target cells
B)activate genes to transcribe mRNA for protein synthesis
C)enter the nucleus
D)catalyze a reaction that produces cyclic AMP (cAMP)
E)bind to receptor proteins within the nucleus
catalyze a reaction that produces cyclic AMP (cAMP)
10)Rising levels of parathyroid hormone (PTH) will inhibit its further hormone
release. This type of control mechanism is best described as ________.
A)negative feedback mechanism
B)positive feedback mechanism
C)direct gene activation
D)second-messenger system
E)neural stimulation
negative feedback mechanism
, X11)The hormone that stimulates follicle development by female ovaries and
sperm development by male testes is ________.
A)follicle-stimulating hormone (FSH)
B)antidiuretic hormone (ADH)
C)prolactin (PRL)
D)glucagon
E)luteinizing hormone (LH)
follicle-stimulating hormone (FSH)
12)Tia is 31 years old and has been diagnosed with acromegaly. Which hormone
is she hypersecreting?
A)Prolactin (PRL)
B)Oxytocin (OXY)
C)Testosterone
D)Estrogen
E)Growth hormone (GH)
Growth hormone (GH)
13)Releasing and inhibiting hormones produced by the hypothalamus influence
the activities of the________.
A)thyroid gland
B)pineal gland
C)posterior pituitary gland
D)anterior pituitary gland
E)adrenal gland
anterior pituitary gland
14)The two hormones released by the thyroid gland are ________.
A)prolactin (PRL) and oxytocin
B)calcitonin and thyroid hormone
C)oxytocin and antidiuretic hormone (ADH)
D)calcitonin and parathyroid hormone (PTH)
E)thyroid hormone and parathyroid hormone (PTH)
calcitonin and thyroid hormone
15)Which endocrine gland is situated at the base of the throat, just inferior to the
Adam's apple?
A)Thyroid gland
B)Pituitary gland
C)Pineal gland
D)Adrenal gland
E)Thymus gland
Thyroid gland
16)Which two hormones play a role in promoting the milk reflex and in
stimulating and maintaining breast milk production in a nursing mother's
breasts?
ANSWERS COMPLETE TEST\STUDY GUIDE 2024UPDATE
1)Parathyroid hormone (PTH) is secreted by the parathyroid glands in response
to low blood concentration of calcium ions. This mechanism operates by a
________.
A)steroid stimulus
B)neural stimulus
C)hormonal stimulus
D)messenger stimulus
E)humoral stimulus
humoral stimulus
2)Select the statement that best describes the function of tropic hormones.
A)Tropic hormones stimulate the thymus gland to secrete hormones.
B)Tropic hormones stimulate nervous tissue to produce neurotransmitters.
C)Tropic hormones stimulate the pineal gland to secrete hormones.
D)Tropic hormones stimulate other endocrine glands to secrete hormones.
E)Tropic hormones stimulate production of prostaglandins.
Tropic hormones stimulate other endocrine glands to secrete hormones.
3)Which of these anterior pituitary hormones regulates the endocrine activity of
the cortex region of the adrenal gland?
A)Adrenocorticotropic hormone (ACTH)
B)Luteinizing hormone (LH)
C)Thyrotropic hormone (thyroid-stimulating hormone, or TSH)
D)Growth hormone (GH)
E)Prolactin (PRL)
Adrenocorticotropic hormone (ACTH)
4)What is the primary effect of prolactin?
A)Stimulate and maintain milk production after childbirth
B)Stimulate follicle development in the ovaries
C)Promote milk ejection in a woman nursing her infant
D)Trigger ovulation of an egg from the ovary
E)Stimulate contractions of the uterus during breastfeeding
Stimulate and maintain milk production after childbirth
5)Which system produces chemical messengers known as hormones?
A)Immune system
B)Endocrine system
,C)Muscular system
D)Integumentary system
E)Nervous system
Endocrine system
6)How would you classify a hormone that is made from cholesterol, such as a sex
hormone?
A)Amine hormone
B)Protein hormone
C)Prostaglandin
D)Peptide hormone
E)Steroid hormone
Steroid hormone
7)Which one of the following is not typical of the changes that follow the binding
of a hormone to its target cells?
A)Mitosis is stimulated.
B)Plasma membrane permeability changes.
C)Proteins are synthesized in the cell.
D)Cellular mutations occur.
E)Enzymes are activated or inactivated.
Cellular mutations occur.
8)In the second-messenger system, what serves as the first messenger?
A)ATP
B)mRNA
C)The hormone
D)Cyclic AMP (cAMP)
E)DNA
The hormone
9)Being lipid soluble, steroids can do all the following except ________.
A)diffuse through the plasma membranes of target cells
B)activate genes to transcribe mRNA for protein synthesis
C)enter the nucleus
D)catalyze a reaction that produces cyclic AMP (cAMP)
E)bind to receptor proteins within the nucleus
catalyze a reaction that produces cyclic AMP (cAMP)
10)Rising levels of parathyroid hormone (PTH) will inhibit its further hormone
release. This type of control mechanism is best described as ________.
A)negative feedback mechanism
B)positive feedback mechanism
C)direct gene activation
D)second-messenger system
E)neural stimulation
negative feedback mechanism
, X11)The hormone that stimulates follicle development by female ovaries and
sperm development by male testes is ________.
A)follicle-stimulating hormone (FSH)
B)antidiuretic hormone (ADH)
C)prolactin (PRL)
D)glucagon
E)luteinizing hormone (LH)
follicle-stimulating hormone (FSH)
12)Tia is 31 years old and has been diagnosed with acromegaly. Which hormone
is she hypersecreting?
A)Prolactin (PRL)
B)Oxytocin (OXY)
C)Testosterone
D)Estrogen
E)Growth hormone (GH)
Growth hormone (GH)
13)Releasing and inhibiting hormones produced by the hypothalamus influence
the activities of the________.
A)thyroid gland
B)pineal gland
C)posterior pituitary gland
D)anterior pituitary gland
E)adrenal gland
anterior pituitary gland
14)The two hormones released by the thyroid gland are ________.
A)prolactin (PRL) and oxytocin
B)calcitonin and thyroid hormone
C)oxytocin and antidiuretic hormone (ADH)
D)calcitonin and parathyroid hormone (PTH)
E)thyroid hormone and parathyroid hormone (PTH)
calcitonin and thyroid hormone
15)Which endocrine gland is situated at the base of the throat, just inferior to the
Adam's apple?
A)Thyroid gland
B)Pituitary gland
C)Pineal gland
D)Adrenal gland
E)Thymus gland
Thyroid gland
16)Which two hormones play a role in promoting the milk reflex and in
stimulating and maintaining breast milk production in a nursing mother's
breasts?
