Filters
Question type

Study Flashcards

What gland or organ below produces and releases both exocrine and endocrine secretions?


A) liver
B) heart
C) pancreas
D) thyroid

E) B) and C)
F) A) and B)

Correct Answer

verifed

verified

Aldosterone promotes the homeostasis of ions by causing the kidneys to


A) conserve sodium and excrete potassium.
B) excrete sodium and conserve potassium.
C) excrete sodium and potassium.
D) conserve sodium and potassium.
E) secrete erythropoietin.

F) B) and C)
G) C) and E)

Correct Answer

verifed

verified

The secretion of hormones from the anterior lobe of the pituitary gland is largely controlled by


A) releasing hormones from the hypothalamus.
B) impulses from the autonomic nervous system.
C) impulses from the hypothalamus.
D) hormones from the posterior pituitary gland.
E) plasma concentrations of glucose.

F) A) and D)
G) A) and E)

Correct Answer

verifed

verified

T4 is 5 times more potent than T3.

A) True
B) False

Correct Answer

verifed

verified

ACTH is released during the __________ stage of stress.

Correct Answer

verifed

verified

Cyclic AMP is produced from molecules of _________ as a result of enzymatic action.

Correct Answer

verifed

verified

After a meal,glucose levels in the blood rise and in response,the pancreas releases a hormone to lower blood glucose.This is an example of which control path?


A) The hypothalamus and pituitary stimulate a peripheral endocrine gland.
B) The nervous system stimulates a gland directly.
C) Changing plasma levels of a substance stimulate a gland directly.

D) B) and C)
E) None of the above

Correct Answer

verifed

verified

Hypophyseal capillary beds allow hypothalamic hormones to act on target cells in the anterior pituitary gland.

A) True
B) False

Correct Answer

verifed

verified

Type 1 diabetes mellitus is caused by


A) excess sugar in the diet.
B) obesity.
C) an autoimmune disease.
D) an effect of aging.
E) a defect in antidiuretic hormone secretion.

F) All of the above
G) A) and C)

Correct Answer

verifed

verified

C

Hormone concentrations are regulated by


A) positive feedback mechanisms.
B) negative feedback mechanisms.
C) nervous system control.
D) levels of substances in the blood.
E) all of the above.

F) C) and D)
G) A) and B)

Correct Answer

verifed

verified

Epinephrine and norepinephrine are released during the __________ stage of stress.

Correct Answer

verifed

verified

__________ secretions,sometimes called "local hormones," only affect neighboring cells.


A) Exocrine
B) Apocrine
C) Autocrine
D) Paracrine

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Which control pathway was responsible for the adrenaline release Goldilocks experienced when she woke up surrounded by 3 bears?


A) The hypothalamus and pituitary stimulated a peripheral endocrine gland.
B) The nervous system directly stimulated an endocrine gland.
C) Changing plasma levels of a substance directly stimulated an endocrine gland.

D) A) and B)
E) A) and C)

Correct Answer

verifed

verified

B

In response to high blood calcium levels,the thyroid gland releases a hormone that works to lower blood calcium.This is an example of which endocrine control method?


A) The hypothalamus and pituitary stimulate a peripheral endocrine gland.
B) The nervous system stimulates a gland directly.
C) Changing plasma levels of a substance stimulate a gland directly.

D) A) and B)
E) None of the above

Correct Answer

verifed

verified

Cretinism is caused by


A) hypothyroidism.
B) hyperthyroidism.
C) hypoparathyroidism.
D) hyperparathyroidism.
E) low levels of calcitonin.

F) C) and D)
G) B) and E)

Correct Answer

verifed

verified

A

The inner region of this endocrine gland produces hormones associated with fight or flight effects.


A) thyroid
B) pancreas
C) hypothalamus
D) adrenal
E) ovary

F) C) and D)
G) B) and E)

Correct Answer

verifed

verified

Mental retardation or even death may result from insufficient levels of thyroxine in infants and children.

A) True
B) False

Correct Answer

verifed

verified

Glands that release their secretion into ducts leading to a body surface are called __________ glands.

Correct Answer

verifed

verified

The main pancreatic duct runs the entire length of the pancreas and delivers insulin and other hormones into the small intestine.

A) True
B) False

Correct Answer

verifed

verified

Hormone binding to its membrane receptor may cause increased permeability to sodium ions.

A) True
B) False

Correct Answer

verifed

verified

Showing 1 - 20 of 103

Related Exams

Show Answer