AND CORRECT ANSWERS GRADED A+
The hormone that has the greatest effect on the metabolic rate is _____________.
a. growth hormone
b. aldosterone
c. thyroid
d. cortisol
c. thyroid
When blood glucose levels fall, the pancreas releases ________.
a. insulin
b. melatonin
c. glucose
d. glucagon
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
b. osteoclasts are activated
The cells with the most receptors for growth hormones are
a. liver
b. nerves
c. bones
d. blood vessels
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
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
b. albumin
This type of leukocyte produces antibodies
a. neutrophil
b. eosinophil
c. monocyte
d. lymphocyte
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
b. production of vacuoles
, Virtually all of the protein or amino acid-based hormones exert their effects
through intracellular __________.
a. ions
b. deactivators
c. second messengers
d. nucleotides
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
c. hormones
The master gland of the endocrine system is the_________.
a. endocrine
b. pituitary
c. adrenal