Question 1

The symptoms of aldosterone hypersecretion include hypernatraemia, hyperphosphataemia, and hypertension.

Accepted Answer

A) True 
 B)False  False

Question 2

Match the hormones, labelled a. through k., with their correct characteristics. (Options may be used more than once or not at all.) 
-secreted by pancreatic alpha cells

Accepted Answer

A)  ACTH
B)  aldosterone
C)  calcitonin
D)  cortisol
E)  DHEAF) epinephrineG) glucagonH) insulinI) parathyroid hormoneJ) thyroid hormoneK) vitamin D

Question 3

Thyroid hormone is a derivative of the amino acid _____________________.

Accepted Answer

The answer of Thyroid hormone is a derivative of the...

Question 4

The greater the physical stress and compression to which a bone is subjected, the greater the rate of bone deposition.

Accepted Answer

A) True 
 B)False

Question 5

In people who work during the day, cortisol levels in the plasma are normally higher in the morning than at night.

Accepted Answer

A) True 
 B)False  True

Question 6

Both type 1 and type 2 diabetes must be treated by regular insulin injections.

Accepted Answer

A) True 
 B)False

Question 7

Which of these hormones does NOT oppose the effects of insulin

Accepted Answer

A)  aldosterone
B)  glucagon
C)  epinephrine
D)  vasopressin

Question 8

Which endocrine gland secretes hormones containing iodine

Accepted Answer

A)  adrenal cortex
B)  adrenal medulla
C)  pancreas
D)  thyroid

Question 9

Which of these statements does NOT describe vitamin D

Accepted Answer

A)  It can be synthesized by the skin on exposure to sunlight.
B)  It must be modified by biochemical alterations within the liver and kidneys before it is biologically active.
C)  It enhances the effect of calcitonin on bone.
D)  It increases Ca²⁺ absorption in the intestine.

Question 10

_____________________ is controlled primarily by the release of renin.

Accepted Answer

The answer of _____________________ is controlled primarily by the release...

Question 11

PTH increases plasma Ca²⁺ and decreases plasma PO₄³⁻.

Accepted Answer

A) True 
 B)False

Question 12

What characterizes osteoporosis

Accepted Answer

A)  reduced bone mass as a result of diminished laying down of the organic matrix of bone
B)  abnormal bone calcification
C)  hypocalcaemia
D)  osteoblast hyperactivity

Question 13

Which of these statements does NOT describe thyroid hormones

Accepted Answer

A)  They are derivatives of an amino acid.
B)  They are produced from tyrosine.
C)  They are secreted from parafollicular C cells.
D)  They are secreted from follicular cells.

Question 14

Hyperparathyroidism is characterized by hypercalcaemia and hyperphosphataemia.

Accepted Answer

A) True 
 B)False

Question 15

Most of the secreted T₃ is converted into T₄ outside the thyroid gland.

Accepted Answer

A) True 
 B)False

Question 16

Which of these statements describes glucagon

Accepted Answer

A)  It is secreted by the beta cells of the islets of Langerhans.
B)  It is secreted in response to a fall in blood glucose.
C)  It is, in general, antagonistic to all other hormones in terms of metabolic effects.
D)  It increases fat stores by inhibiting the enzyme that catalyzes triglyceride breakdown. B

Question 17

Amino acids can be converted to glucose, whereas fatty acids cannot.

Accepted Answer

A) True 
 B)False

Question 18

Hypothyroidism can occur even though the thyroid gland is perfectly normal.

Accepted Answer

A) True 
 B)False

Question 19

Cortisol is secreted by the zona glomerulosa, aldosterone by the zona fasciculata, and sex hormones by the zona reticularis.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is a major factor that promotes increased secretion of cortisol from the adrenal cortex

Accepted Answer

A)  low Na⁺ concentration in the extracellular fluid
B)  physical and emotional stress
C)  angiotensin II
D)  increased blood amino acid concentration

Exam 6: The Endocrine Glands

The symptoms of aldosterone hypersecretion include hypernatraemia, hyperphosphataemia, and hypertension.

Correct AnswerverifiedFalse

Match the hormones, labelled a. through k., with their correct characteristics. (Options may be used more than once or not at all.) -secreted by pancreatic alpha cells

Correct AnswerverifiedShow Answer

Thyroid hormone is a derivative of the amino acid _____________________.

Correct AnswerverifiedShow Answer

The greater the physical stress and compression to which a bone is subjected, the greater the rate of bone deposition.

Correct AnswerverifiedShow Answer

In people who work during the day, cortisol levels in the plasma are normally higher in the morning than at night.

Correct AnswerverifiedTrue

Both type 1 and type 2 diabetes must be treated by regular insulin injections.

Correct AnswerverifiedShow Answer

Which of these hormones does NOT oppose the effects of insulin

Correct AnswerverifiedShow Answer

Which endocrine gland secretes hormones containing iodine

Correct AnswerverifiedShow Answer

Which of these statements does NOT describe vitamin D

Correct AnswerverifiedShow Answer

_____________________ is controlled primarily by the release of renin.

Correct AnswerverifiedShow Answer

PTH increases plasma Ca²⁺ and decreases plasma PO₄³⁻.

Correct AnswerverifiedShow Answer

What characterizes osteoporosis

Correct AnswerverifiedShow Answer

Which of these statements does NOT describe thyroid hormones

Correct AnswerverifiedShow Answer

Hyperparathyroidism is characterized by hypercalcaemia and hyperphosphataemia.

Correct AnswerverifiedShow Answer

Most of the secreted T₃ is converted into T₄ outside the thyroid gland.

Correct AnswerverifiedShow Answer

Which of these statements describes glucagon

Correct AnswerverifiedB

Amino acids can be converted to glucose, whereas fatty acids cannot.

Correct AnswerverifiedShow Answer

Hypothyroidism can occur even though the thyroid gland is perfectly normal.

Correct AnswerverifiedShow Answer

Cortisol is secreted by the zona glomerulosa, aldosterone by the zona fasciculata, and sex hormones by the zona reticularis.

Correct AnswerverifiedShow Answer

Which of the following is a major factor that promotes increased secretion of cortisol from the adrenal cortex

Correct AnswerverifiedShow Answer

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False

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True

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B

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