BIOS 256 A&P II FINAL EXAM 140 Questions and Answers (Latest 2023)
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Course
BIOS 256
Institution
BIOS 256
Which hormone produced by the placenta causes the mother's pubic symphysis to loosen and widen?
a. relaxin
b. hCg
c. estrogen
d. progesterone - Correct Answer -a. relaxin
Which of the following is not a common metabolic/physiological change that occurs in pregnant women?
a. lower blood pressu...
BIOS 256 A&P II FINAL EXAM 140 Questions and Answers
(Latest 2023)
Which hormone produced by the placenta causes the mother's pubic symphysis to
loosen and widen?
a. relaxin
b. hCg
c. estrogen
d. progesterone - Correct Answer -a. relaxin
Which of the following is not a common metabolic/physiological change that occurs in
pregnant women?
a. lower blood pressure
b. glucose sparing
c. increased urine production
d. increased tidal volume - Correct Answer -a. lower blood pressure
The events of puberty are cause by
a. an increase in gonadal hormones
b. reaching the age of 13
c. a decrease in gonadal hormones
d. an increase in pituitary hormones - Correct Answer -a. an increase in gonadal
hormones
Which of the following is not a result of the estrogen surge in females during puberty?
a. increased fat deposit in hips and breasts
b. axillary and pubic hair growth
c. deepening of the voice
d. widening of the pelvis - Correct Answer -c. deepening of the voice
The hormone involved in the positive feedback cycle that causes labor contractions is
a. surfactant protein A
b. progesterone
c. oxytocin
d. cortisol - Correct Answer -c. oxytocin
Virtually all of the protein or amino acid-based hormones exert their effects through
intracellular __________.
,a. ions
b. deactivators
c. second messengers
d. nucleotides - Correct Answer -c. second messengers
Chemical Substances secreted by cells into the extracellular fluids that regulate the
metabolic function of other cells in the body are called ___________.
a. proteins
b. antibodies
c. hormones
d. enzymes - Correct Answer -c. hormones
The master gland of the endocrine system is the_________.
a. endocrine
b. pituitary
c. adrenal
d. thyroid - Correct Answer -b. pituitary
The secretion of hormones in response to changing blood levels of ions is known as
_____.
a. neural stimulus
b. hormonal stimulus
c. humoral stimulus
d. ionic stimulus - Correct Answer -c. humoral stimulus
The hormone that has the greatest effect on the metabolic rate is _____________.
a. growth hormone
b. aldosterone
c. thyroid
d. cortisol - Correct Answer -c. thyroid
When blood glucose levels fall, the pancreas releases ________.
a. insulin
b. melatonin
c. glucose
d. glucagon - Correct Answer -d. glucagon
When parathyroid hormone is released
, a. blood calcium levels fall
b. osteoclasts are activated
c. calcitonin is inhibited
d. calcium channels are blocked - Correct Answer -b. osteoclasts are activated
The cells with the most receptors for growth hormones are
a. liver
b. nerves
c. bones
d. blood vessels - Correct Answer -c. bones
Steroid hormones influence other cells by
a. activating cyclic AMP
b. entering the nucleus of the cell and altering the expression of the gene
c. binding specific receptors and activating G proteins
d. stimulating the uptake of glucose - Correct Answer -b. entering the nucleus of the
cell and altering the expression of the gene
The major plasma protein is
a. thrombin
b. albumin
c. fibrin
d. fibrinogen - Correct Answer -b. albumin
This type of leukocyte produces antibodies
a. neutrophil
b. eosinophil
c. monocyte
d. lymphocyte - Correct Answer -d. lymphocyte
Which of the following is not a phase of erythropoiesis
a. synthesis of hemoglobin
b. production of vacuoles
c. ejection of the erythrocyte nucleus
d. production of ribosomes - Correct Answer -b. production of vacuoles
Red blood cells contain ___% hemoglobin
a. 50
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