Digitalis leads to increased intracellular calcium concentrations. This will create ________ myocardial contractions.
A. stronger
B. weaker
C. slower
D. None of the choices are correct.
Answer: A
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What effect does glucagon have on protein metabolism?
A. It directly stimulates catabolism of proteins. B. It stimulates the buildup of proteins from amino acids. C. It increases absorption of amino acids in the intestine. D. It has no effect on body proteins.
________ sweat glands are widely distributed across the body surface, ________ glands are located wherever hair follicles exist, and ________ sweat glands are found only in a few areas
A) Sebaceous; merocrine; apocrine
B) Apocrine; merocrine; sebaceous
C) Merocrine; sebaceous; apocrine
D) Merocrine; apocrine; sebaceous
E) Apocrine; sebaceous; merocrine
Which of the following has NO relationship?
a. peptide hormones and secretory granules b. steroids and lipid droplets c. Catecholamines and adrenal cortex d. peptide hormones and rough endoplasmic reticulum e. thyroid hormones and lipophilic molecules
A vitamin B12 deficiency results in the type of anemia known as __________.
a. sickle cell anemia b. pernicious anemia c. hemorrhagic anemia d. aplastic anemia