FREE AND STUDY GAMES ABOUT CHAPTER

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FREE AND STUDY GAMES ABOUT CHAPTER

17-ENDOCRINE EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -311 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: who has more bone, more muscle and less fat: an average 30 year old or an average 75 year old?

Answer:

the 30 year old

Question 2: combination of two DITs

Answer:

T4

Question 3: name the two segments of the adenohypophysis

Answer:

pars distalis (anterior lobe) pars tuberalis (small mass of cells adhering to stalk) Question 4: hypothalamic-releasing and -inhibiting hormones travel in _____ _____ _____ from hypothalamus to anterior lobe

Answer:

hypophyseal portal system

Question 5: true or false: hypothalamic neurons secrete hormones that are stored in neurohypophysis until released into blood

Answer:

true

Question 6: somatostatin

Answer:

from gamma cells, inhibits secretion of alpha and beta cells

Question 7: osteocalcin is secreted by osteoblasts in

Answer:

osseous tissue

Question 8: sacs that compose most of the thyroid

Answer:

thyroid follicles

Question 9: thyroid follicles are filled with ______ and lined with _______

Answer:

colloid, follicular cells

Question 10: what constitutes the posterior one quarter of the pituitary?

Answer:

neurohypophysis

Question 11: paracrines

Answer:

chemical messengers that diffuse short distances and stimulate nearby cells -not produced in neurons -not transported in blood Question 12: name the chemical class: created from chains of amino acids, secreted by pituitary and hypothalamus

Answer:

peptides/glycoproteins

Question 13: thyroid hormone is composed of how many tyrosines

Answer:

2

Question 14: what has many of its functions carried out by the ptiuitary gland?

Answer:

hypothalamus

Question 15: what does up-regulation mean

Answer:

the number of recptors in increased Question 16: what gland secretes hormones that stimulate development of other lymphatic organs and activity of T lymphocytes

Answer:

thymus Question 17: what type of hormone can penetrate plasma membrane and act directly on genes and can take several hours to days to show efect due to lag of protein synthesis

Answer:

hydrophobic hormones

Question 18: exocrine product in ovaries and testes

Answer:

whoel cells- eggs and sperm (cytogenic glands)

Question 19: cyclooxygenase converts

Answer:

arachnoid acid to three other types of eicosanoids: prostacyclin, thromboxanes and prostaglandins

Question 20: what cells secrete insulin

Answer:

b or beta cells

Question 21: in the pancreatic islets what inhibits nutrient digestion and absorption which prolongs absorption of nutrients

Answer:

somatostatin

Question 22: are rates of pitutiary secretion constant?

Answer:

no, they are regulated by hypothalamus, other brain centers and feedback from target organs Question 23: the time required for 50% of the hormone to be cleared from the blood is called what?

Answer:

hormone half-life

Question 24: leukotrienes

Answer:

mediate allergic and inflammatory reactions

Question 25: is the pineal gland large as an adult of child?

Answer:

child Question 26: cortisol and corticosterone are steroid anti-inflammatory drugs that inhibit inflammation by

Answer:

blocking release of arachnoid acid from plasma membrane and inhibit synthesis of eicosanoids.

Disadvantage:Cushing syndrome

Question 27: what is seasonal affective disorder (SAD)?

Answer:

-occurs in winter and northern climates -depression, sleepiness, irritability and carb craving -2-3 hours of exposure to bright light each day reduces the melatonin levels and the symptoms (phototherapy)