Which of the following statements regarding blood-type incompatibilities between a mother and her fetus is TRUE?
A. A fetus with type B blood may be at risk if its mother has type O blood.
B. An Rh-positive fetus may be at risk if its mother is Rh-negative.
C. An Rh-negative fetus may be at risk if its mother is Rh-positive.
D. The greatest risk to a fetus occurs when both mother and fetus are Rh-positive.
E. The risk to an Rh-positive fetus of an Rh-negative mother is lessened if she has previously carried an Rh-negative fetus.
Answer: B
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Loss of function in the enzyme acetylcholine esterase would result in which of the following?
A) inability to destroy and remove acetylcholine from the synaptic cleft B) stimulation of the production of acetylcholine C) amplify or enhance the effect of ACh D) inability to release acetylcholine
Which of the following does not require energy expenditure?
a. net movement of potassium into the cell. b. net movement of sodium into the cell. c. iodine uptake by thyroid gland cells. d. transport of hydrogen ion into the stomach lumen in association with hydrochloric acid secretion during digestion of a meal e. both (b) and (d) above.
The ________ gland sits along the superior border of the kidney
A) parathyroid B) thyroid C) salivary D) suprarenal E) pituitary
An increased firing of the parasympathetic nervous system causes increased cardiac output
Indicate whether the statement is true or false