Which hormone induces its target cells to take up glucose, thereby lowering blood glucose levels?
A. Insulin
B. Pancreatic polypeptide
C. Somatostatin
D. Glucagon
E. Somatotropin
Answer: A
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What ion is sometimes used as a second messenger of amino acid-based hormones?
A) sodium B) calcium C) iron D) chlorine
Mrs. Phang, eight months pregnant with her first child, makes an appointment with her obstetrician to investigate the cause of vaginal bleeding. Because it is actually more "spotting" than frank bleeding, and painless, she is becoming worried
Ultrasound visualization of her abdomen shows that the placenta is formed across the internal os of the cervix, and she is ordered to her bed for the remainder of the pregnancy. What name is given to Mrs. Phang's condition? Why is it an extremely serious condition? Why was she ordered to have complete bed rest for the remainder of her pregnancy? What will be an ideal response
In artificially induced active immunity,
A) exposure to an antigen in the environment occurs naturally. B) antibody production is stimulated under controlled conditions. C) the body receives antibodies produced by another person. D) antibodies are administered to prevent disease after exposure to the pathogen. E) genes for antibodies are introduced into the body.
Perception of gravity and linear acceleration depends on
A) changes in the pressure exerted by the cupula on hair cells. B) vibrations of the tectorial membrane striking hair cells. C) the force exerted by otoliths on hair cells of the maculae in the utricle or saccule. D) the movement of endolymph within the semicircular canals. E) All of the answers are correct.