Harold masturbates before sexual intercourse hoping to take advantage of the refractory period during which he will not be able to ejaculate again. He does so in hopes of avoiding ____
a. premature ejaculation
b. erectile dysfunction
c. painful intercourse
d. coitus
e. resolution
a
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Julie has light skin that burns easily. Which of the following will decrease her risk for skin cancer?
A) using a tanning bed instead of lying out in the sun B) sunning on the beach using tanning lotion with an SFP of 4 C) wearing sunscreen, a hat, and protective clothing when she is outside D) All of the answers are correct.
If you are going to purchase exercise equipment, the best recommendation is to ____
a. try it out several times before buying it b. look for before-and-after pictures of "satisfied" customers c. look for name brands d. look for up-to-date heart rate monitors e. ask your friends what equipment works for them
Which is an accepted and recommended formula for determining max heart rate?
A. max HR = 208 ? (.7 × age) B. max HR = 50 + (2 × age) C. max HR = Resting HR + age D. max HR = 220 + age
The two main branches of the trachea are the:
A) bronchioles. B) alveoli. C) cilia. D) bronchi.