Sunburn, heat stress, and hot flashes are all risks of UV exposure
Indicate whether the statement is true or false
FALSE
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_____ is an age-related refractive disorder in which the eye cannot focus on close objects
Fill in the blank with the right word.
What is the function of a memory T cell?
A. To activate TC and TH cells during an active primary infection B. To avoid autoimmune disorders by producing memory for self-antigens during T-cell development C. To maintain an active T-cell response (TC or TH) after an infection is cleared D. To provide an almost immediate response upon subsequent exposure to a specific pathogen E. To suppress TC activity after a pathogen is cleared
Name the structure that leads from the bladder to the outside of the body.
A) renal pelvis B) ureters C) urethra D) meatus
Oran is taking a bulk-forming laxative for constipation. Bulk-forming laxatives work by ____
A) promoting secretion of water into the intestinal lumen B) moistening the stool through a detergent action C) softening and coating the stool with a lubricant D) softening the stool by absorbing water and increasing fecal mass to facilitate defecation