7 Which of the following sets of hormones are antagonists? a Insudlin and glcago

Question

7 Which of the following sets of hormones are antagonists? a Insudlin and glcagon b. Calcitonin and cortisol c. Epinephnine and norepinephrine d Growth hormone and thyroxine 8 Matching: Match the following endocrine orgars with the hormonel) each secretes Pineal gland Thyroid gland Pancreas Thymus A Antidluresc homghe and anytocin B Insuln and glucagon C. Aldosterone and cortisol D. Epinephrine and norepinephrinse E Thyroxine, triodothyronine, and calctorin F Thyroid-stimulating hoemone, growth hormone G. Melatonin H. Thymoin and thymopoietin Adrenal cortex Anterior pituitary Adrenal medulla 9 Which of the following is true regarding endocrine organ histology a. The thyroid gland consists of rings of stratified cuboidal follicle cels surrounding colloid b. The pancreas has an exocine portion consisting of pancreatic islets and an endocrine portion consisting of C The adrenal cortex has three zones of cells that secrete steroid hormones d. The adrenal medulla is modified nervous tissue of the parasympathestic nervous system acinar cels. 16 10 in a negative feedback loop, you would expect secretion from an endocrine gland to after homeostasis has been restored. a decrease b. increase c remain the same 442 Exploring Anatomy & Physiology in the Laboratory

Explanation / Answer

7. A

Glucagon and insulin as glucagon increase blood sugar level and insulin decrease blood sugar levels.

8.

Pineal gland- G

Thyroid gland- E

Pancreas - B

Thymus-H

Adrenal cortex- C

Adrenal medulla- D

Anterior pituitary-F

Hypothalamus- A

9. c

Pancreas is partly endocrine and partly exocrine.

10. A

It decreases thus it is called negative feedback loop.

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