FREE AND STUDY GAMES ABOUT BIO202-MIDREVIEW-1

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FREE AND STUDY GAMES ABOUT BIO202-MIDREVIEW-1

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -84 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Excessive amounts of PTH causes?

Answer:

Demineralization of bones, spontaneous fractures.

Question 2: Oxytocin release is and example of __.

Answer:

a positive feedback control mechanism

Question 3: Directly involved in milk production and ejection

Answer:

Oxytocin (hypothalamus) & prolactin (anterior pituitary) Question 4: Found in the pelvic cavity of the female, concerned with ova and female hormone production.

Answer:

Ovaries

Question 5: Testosterone is stimulated by what factor?

Answer:

Another hormone - testosterone

Question 6: Name 3 second messengers.

Answer:

Cyclic AMP, Cyclic GMP, & Inositol triphosphate

Question 7: Released in response to stressors

Answer:

Cortisone (adrenal cortex) & epinephrine (adrenal medulla)

Question 8: Glucocorticoids are released by?

Answer:

Zona fasciculata cells Question 9: T/F, The thyroid gland controls metabolic functions throughout life.

Answer:

True - it does control metabolic function Question 10: The most important regulator of electrolyte concentrations in extracellular fluids is?

Answer:

aldosterone Question 11: The release of hormones from adenohypophysis is controlled by secretions of __.

Answer:

hypothalamus

Question 12: norephinephrine is stimulated by what factor?

Answer:

The NS - NE

Question 13: Regulate the function of another endocrine gland

Answer:

ACTH, FSH, LH, & TSH - all produced by anterior pituitary

Question 14: Ride "horseback" on the thyroid gland.

Answer:

Parathyroid Question 15: A hormone produces in the adrenal cortex that enables the body to resist long term stress.

Answer:

Glucocorticoid

Question 16: An amino acid derivative can be a __.

Answer:

Hormone Question 17: Catecholamines and/or peptide hormones bind to receptors on the surface of cells that comprise target organs & cause __.

Answer:

Adenylate cyclase to generate cyclic AMP from ATP

Question 18: Questionable function; may stimulate the melanocytes of skin

Answer:

MSH (anterior pituitary)

Question 19: The second-messenger mechanism of hormone action operates by?

Answer:

Bindig to specific receptors and employing the services of G proteins and cAMP.Question 20: Chemically, hormones belong chiefly to two molecular groups, the __ and the __.

Answer:

steroids, amino acid based

Question 21: Lack of this causes abnormally small stature, normal proportions.

Answer:

Growth hormone (GH)

Question 22: Lack of this causes sexual immaturity.

Answer:

Estrogen & testosterone

Question 23: T4/T3 is stimulated by what factor?

Answer:

another hormone - T4/T3

Question 24: Aldosterone is stimulated by what factor?

Answer:

Humoral factors - aldosterone

Question 25: Mineralocorticoids are released by?

Answer:

Zone glomerulosa cells

Question 26: Lack of this causes tetany.

Answer:

PTH - tetany

Question 27: The __ gland declines in size & function with age.

Answer:

thymus

Question 28: Glucagon is released by?

Answer:

Alpha cells of the pancreatic islets (islets of Langerhans)