Which physiological change occurs as part of the fight-or-flight mechanism?
A. Oxygen intake falls.
B. Heart rate increases.
C. Blood pressure drops.
D. Blood sugar drops.
E. Pupil dilation stops.
Answer: B
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Which of the following is incorrect pertaining to the axillary vein?
A) If lacerated in the axilla, there is a risk of producing an air embolus. B) It is the vessel that is actually punctured in a typical "subclavian" vein puncture for catheter insertion. C) It lies deep to the axillary artery as the vessels cross the 1st rib. D) It is formed by the union of the brachial and basilic veins. E) It may receive blood from the inguinal region of the body.
Which statements regarding the microtubules are true? Select all that apply
1. Microtubules are solid. 2. Microtubules are flexible. 3. Microtubules are composed of tubulin. 4. Microtubules are called actin filaments. 5. Microtubules comprise of centrioles and mitotic spindle.
The morning-after pill is not considered a(n) ________ agent-that is, an agent that causes the termination of an established pregnancy.
Fill in the blank(s) with the appropriate word(s).
On average, overseas adoptions cost less than domestic adoptions
Indicate whether the statement is true or false.