The iris is the:
A) center area called the pupil. B) focal point of the light rays.
C) colored portion of the eye. D) none of the above.
D
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________ In females, the urethra transports both urine and semen
Indicate whether the statement is true or false
Why does the body require vitamin B5?
a. For the health of mucous membranes in the digestive tract and to aid absorption of iron and vitamin B6 b. For the secretion of hormones such as cortisone and for maintenance of healthy skin, muscles, and nerves c. For the synthesis of the neurotransmitters required for normal nerve cell communication, such as serotonin and dopamine d. For oxidation-reduction reactions and protein metabolism
What is the term for an increase in myocardial contractility?
a. positive inotropism c. positive chronotropism b. negative chronotropism d. negative inotropism
When describing a needle, the gauge refers to
A. length. B. bore size. C. outside diameter. D. none of these.