When blood levels of sodium are increased, which of the following hormones would you expect to increase?
A. Atrial natriuretic peptide
B. Aldosterone
C. Epinephrine
D. Angiotensin II
Answer: B. Aldosterone
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The lowest level of cells of the strata, marked E, consists of
A) keratin protein.
B) collagen fibers.
C) dead cells.
D) carotene-producing cells.
E) mitotically active epithelial cells.
What prevents the ACh from continuing to stimulate the muscle?
A) Tropomyosin blocks the myosin. B) Calcium returns to the sarcoplasmic reticulum. C) Acetylcholinesterase destroys the Ach. D) None of the listed responses is correct.
Which of the following cartilaginous joints functions primarily in protection and shock absorption of the spinal column?
A) costochondral joint B) epiphyseal plate C) intervertebral disc D) pubic symphysis
Which type of disease results from an infection caused by a microorganism?
A. Developmental disorder B. Infectious disease C. Congenital disorder D. Genetic disorder