Question 1

The trophic hormone that controls the release of T4 (thyroxine) and T3 (triiodothyronine) is secreted by

Accepted Answer

A)  Acidophilic cells 
B)  Basophilic cells 
C)  Chromaffin cells 
D)  Chromophobic cells 
E)  Follicular cells 
A)  Acidophilic cells 
B)  Basophilic cells 
C)  Chromaffin cells 
D)  Chromophobic cells 
E)  Follicular cells B

Question 2

Which endocrine structure secretes epinephrine and norepinephrine?

Accepted Answer

A)  Adenohypophysis 
B)  Adrenal cortex 
C)  Adrenal medulla 
D)  Neurohypophysis 
E)  Thyroid gland 
A)  Adenohypophysis 
B)  Adrenal cortex 
C)  Adrenal medulla 
D)  Neurohypophysis 
E)  Thyroid gland C

Question 3

Parafollicular cells

Accepted Answer

A)  Are found in the parathyroid glands 
B)  Are found in the zona glomerulosa 
C)  Constitute the pars tuberalis 
D)  Secrete a hormone that lowers blood calcium levels 
E)  Secrete hormones responsible for establishing the basal metabolic rate 
A)  Are found in the parathyroid glands 
B)  Are found in the zona glomerulosa 
C)  Constitute the pars tuberalis 
D)  Secrete a hormone that lowers blood calcium levels 
E)  Secrete hormones responsible for establishing the basal metabolic rate D

Question 4

Sodium and water retention in the kidney is stimulated by a hormone secreted by

Accepted Answer

A)  Chromaffin cells 
B)  Islets of Langerhans 
C)  Zona fasciculata 
D)  Zona glomerulosa 
E)  Zona reticularis 
A)  Chromaffin cells 
B)  Islets of Langerhans 
C)  Zona fasciculata 
D)  Zona glomerulosa 
E)  Zona reticularis

Question 5

Parathyroid hormone

Accepted Answer

A)  Decreases blood calcium levels 
B)  Inhibits calcium resorption in the uriniferous tubules 
C)  Is released by parafollicular cells 
D)  Is secreted and synthesized by chief cells 
E)  Release is stimulated by an increase in serum calcium levels 
A)  Decreases blood calcium levels 
B)  Inhibits calcium resorption in the uriniferous tubules 
C)  Is released by parafollicular cells 
D)  Is secreted and synthesized by chief cells 
E)  Release is stimulated by an increase in serum calcium levels

Question 6

What happens immediately after insulin binds to the α-subunit of the insulin receptor?

Accepted Answer

A)  It activates the adjacent tyrosine kinase (β-subunit) 
B)  It increases glucose uptake by the cell 
C)  It stimulates glucagon secretion by the α cells 
D)  It stimulates the synthesis of GLUT-4 (glucose transporter-4) 
E)  It transports the GLUT-4 protein to the cell membrane 
A)  It activates the adjacent tyrosine kinase (β-subunit) 
B)  It increases glucose uptake by the cell 
C)  It stimulates glucagon secretion by the α cells 
D)  It stimulates the synthesis of GLUT-4 (glucose transporter-4) 
E)  It transports the GLUT-4 protein to the cell membrane

Question 7

Which of the following hormones is most likely to bind to a receptor inside the cell as opposed to a membrane receptor?

Accepted Answer

A)  Aldosterone 
B)  Epinephrine 
C)  Melatonin 
D)  Parathyroid hormone 
E)  Vasopressin 
A)  Aldosterone 
B)  Epinephrine 
C)  Melatonin 
D)  Parathyroid hormone 
E)  Vasopressin

Question 8

The zona reticularis of the adrenal cortex produces

Accepted Answer

A)  Androgens 
B)  Corticoids 
C)  Glucocorticoids 
D)  Mineralocorticoids 
E)  Steroids 
A)  Androgens 
B)  Corticoids 
C)  Glucocorticoids 
D)  Mineralocorticoids 
E)  Steroids

Question 9

Adequate iodide levels are required for the synthesis of

Accepted Answer

A)  Aldosterone 
B)  Cortisol 
C)  Thyroid-stimulating hormone 
D)  Thyrotropin-releasing hormone 
E)  Thyroxine 
A)  Aldosterone 
B)  Cortisol 
C)  Thyroid-stimulating hormone 
D)  Thyrotropin-releasing hormone 
E)  Thyroxine

The trophic hormone that controls the release of T4 (thyroxine) and T3 (triiodothyronine) is secreted by

Which endocrine structure secretes epinephrine and norepinephrine?

Parafollicular cells

Sodium and water retention in the kidney is stimulated by a hormone secreted by

Parathyroid hormone

What happens immediately after insulin binds to the α-subunit of the insulin receptor?

Which of the following hormones is most likely to bind to a receptor inside the cell as opposed to a membrane receptor?

The zona reticularis of the adrenal cortex produces

Adequate iodide levels are required for the synthesis of

Epithelium

Epithelial Glands

Cell Signaling

Connective Tissue

Osteogenesis

Blood and Hematopoiesis

Muscle Tissue

Nervous Tissue

Sensory Organs: Vision and Hearing

Immune-Lymphatic System

Integumentary System

Cardiovascular System

Respiratory System

Urinary System

Upper Digestive Segment

Lower Digestive Segment

Digestive Glands

Neuroendocrine System

Spermatogenesis

Sperm Transport and Maturation

Follicle Development and the Menstrual Cycle

Fertilization, Placentation, and Lactation

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Exam 19: Endocrine System

The trophic hormone that controls the release of T4 (thyroxine) and T3 (triiodothyronine) is secreted by

Which endocrine structure secretes epinephrine and norepinephrine?

Parafollicular cells

Sodium and water retention in the kidney is stimulated by a hormone secreted by

Parathyroid hormone

What happens immediately after insulin binds to the α-subunit of the insulin receptor?

Which of the following hormones is most likely to bind to a receptor inside the cell as opposed to a membrane receptor?

The zona reticularis of the adrenal cortex produces

Adequate iodide levels are required for the synthesis of

Epithelium

Epithelial Glands

Cell Signaling

Connective Tissue

Osteogenesis

Blood and Hematopoiesis

Muscle Tissue

Nervous Tissue

Sensory Organs: Vision and Hearing

Immune-Lymphatic System

Integumentary System

Cardiovascular System

Respiratory System

Urinary System

Upper Digestive Segment

Lower Digestive Segment

Digestive Glands

Neuroendocrine System

Spermatogenesis

Sperm Transport and Maturation

Follicle Development and the Menstrual Cycle

Fertilization, Placentation, and Lactation

Filters