Presbyopia is characterized by ________
A) retinal detachment
B) legal blindness
C) blepharoptosis
D) loss of flexibility of the lens
D
Explanation: A) Presbyopia involves the lens, not the retina.
B) Presbyopia is blurriness of vision, not legal blindness.
C) Presbyopia involves the lens, not the eyelid.
D) Correct! Presby/o- means "old age." The lens becomes less flexible in older persons.
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Which of the following statements regarding smokeless tobacco is FALSE?
A. a dip of chewing tobacco contains 2 to 3 times more nicotine than a cigarette B. an average-sized dip in the mouth for 30 minutes provides the same nicotine response as 4 cigarettes C. smokeless tobacco causes oral cancer and an increase in blood pressure D. snuff is less dangerous than powdered tobacco E. smokeless tobacco interferes with the body's ability to use the nutrients in food effectively
Which of the following statements regarding the trachea is NOT true?
a. Alveoli are located at the end of the trachea. b. It carries air into the chest cavity. c. It is commonly called the windpipe. d. It splits into two main bronchi.
When does a woman begin to secrete colostrum in preparation for breastfeeding?
a. first trimester b. second trimester c. third trimester d. when the baby is born e. 24 hours after the baby is born
The recommended diet for individuals at risk of developing diabetes includes all of the following foods EXCEPT
A) whole grains. B) high-fiber foods. C) fatty fish. D) red meat.