5-Which gland or organ is not strictly classified only as an endocrine gland? A-

Question

5-Which gland or organ is not strictly classified only as an endocrine gland?

A-Thyroid gland

B- Adrenal gland

C- Pancreas

D- Pituitary gland

6-Which of the following statements concerning normal regulation of thyroid hormone production is FALSE?

A- High TSH levels in a normal individual would stimulate thyroid hormone production

B-High TRH levels in a normal individual would stimulate TSH production

C-High thyroid hormone levels in a normal individual would stimulate TRH production n the

   hypothalamus and TSH production in the pituitary

D- High TSH levels in a normal individual would stimulate uptake of iodine by the thyroid gland

7-Which of the following statements is not true about the thyroid gland?

A- most of the gland is made up of sacs called thyroid follicles

B- the parafollicular cells produce thyroxine

C- it is the only endocrine gland that stores hormones in large amounts

D- It produces T3 and T4

8-The flight-or-flight response produces all of the following except:

A-increased heart rate and force of contraction

B- dilation of vessels to the digestive organs

C- increase in blood pressure

D- increased glycogenolysis

9-ACTH causes the release of____

a- Aldosterone

B-Cortisol

C- Calcitonin

D- Aldosterone and cortisol

10- Relaxin is produced by the

A- Testis

B- Liver

C- Ovaries

D- Uterus

Explanation / Answer

5. C- Pancreas

Pancreas acts as both endocrine (secreting insulin and glucagon) and exocrine (secreting enzymes to break down proteins, sugar etc.).

6. C-High thyroid hormone levels in a normal individual would stimulate TRH production in the hypothalamus and TSH production in the pituitary.

Low levels of thyroid hormone in a normal individual would stimulate TRH production in the hypothalamus and TSH production in the pituitary.

7. B- the parafollicular cells produce thyroxine

The follicular cells secrete thyroxine and the parafollicular cells produce ca lcitonin.

8. B- dilation of vessels to the digestive organs

The flight-or-flight response produces constriction of blood vessels to the digestive organs.

Related Questions

Navigate

• Browse (All)
• Browse 5
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.