midterm 2- BHSC 1200 Questions and Correct Answers/ Latest Update / Already Graded

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midterm 2- BHSC 1200 Questions and Correct Answers/ Latest Update / Already Graded

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2025/2026

Institution BHSC 1200

Course BHSC 1200

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lipid soluble hormones Ans: -steroid and thyroid hormones -act on intracellular receptors that directly activate genes -can enter cell - will change gene and lead to the synthesis of new mRNA water soluble hormones Ans: (all amino acid-based hormones except thyroid hormone) Act on plasma membrane receptors Act via G protein second messengers Cannot enter cell levels of hormones in blood regulation Ans: depend on: hormone concentration in blood abundance of target cells influences exerted by other hormones Page | 2 All rights reserved © 2025/ 2026 | permissive effect: two hormones work together to get a big effect antagonistic effect: two hormones opposing the actions of the other Growth Hormone (GH) - anterior pituitary Ans: sec

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midterm 2- BHSC 1200 Questions and
Correct Answers/ Latest Update / Already
Graded
lipid soluble hormones

Ans: -steroid and thyroid hormones
-act on intracellular receptors that directly activate genes
-can enter cell
- will change gene and lead to the synthesis of new mRNA

water soluble hormones

Ans: (all amino acid-based hormones except thyroid hormone)
Act on plasma membrane receptors
Act via G protein second messengers
Cannot enter cell

levels of hormones in blood regulation

Ans: depend on:
hormone concentration in blood
abundance of target cells
influences exerted by other hormones

All rights reserved © 2025/ 2026 |

, Page |2

permissive effect: two hormones work together to get a big
effect
antagonistic effect: two hormones opposing the actions of the
other

Growth Hormone (GH) - anterior pituitary

Ans: secretes insulin-like growth factors which synthesize in
the liver and go to the blood and attach on target cells to
secrete growth

Thyroid Stimulating Hormone (TSH)- anterior pituitary

Ans: stimulates synthesis and secretion of thyroid hormones (
T3 and T4)

hypothalamus controls this hormone by secreting its o wn
thyrotropin releasing hormone

Adrenocorticotropic hormone (ACTH)

Ans: Stimulates adrenal cortex to secrete glucocorticoids
(mainly cortisol)

hypothalamus regulates it

All rights reserved © 2025/ 2026 |

, Page |3

Follicle-stimulating hormone (FSH)- anterior pituitary

Ans: secreted by the pituitary gland to stimulate maturation of
the egg cell (ovum) and for males to stimulate sperm
production

luteinizing hormone (LH)- anterior pituitary

Ans: Targets gonads, causes development of corpus luteum,
testes make testosterone

posterior pituitary hormones

Ans: antidiuretic hormone and oxytocin

Osmoreceptors

Ans: respond to the osmolarity of the blood (water
homeostasis)

follicular and parafollicular cells of thyroid

Ans: T4 and T3 by follicular

calcitonin by parafollicular
All rights reserved © 2025/ 2026 |

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Uploaded on: February 22, 2026
Number of pages: 21
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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