Which of the following does NOT happen when you view objects up close?
A. the lens flattens
B. the pupil constricts
C. the ciliary muscles constrict
D. the medial rectus muscles contract
E. the parasympathetic division of the ANS responds
Ans: A. the lens flattens
You might also like to view...
Hearing damage can occur from brief exposure to high-intensity sounds, but also from frequent exposure to moderately loud noises greater than what sound level?
a. 75 dB b. 95 dB c. 125 dB d. 150 dB e. 175dB
Which of the following involves respiratory system activity that contributes to osteoporosis?
A. Mucosal cells of the respiratory tract release chemicals that inhibit tissue repair. B. Excessive smoking lowers estrogen levels, which increases bone loss. C. Calcium ions released from the bones are excreted through exhaled air. D. Lack of oxygen reduces vitamin D production and decreases calcium absorption. E. Decreased oxygen levels contribute to the disease.
The bony portion of the nasal septum is formed by the
A) nasal bones. B) perpendicular plate of the ethmoid bone and the palatine bones C) perpendicular plate of the ethmoid and the vomer bone. D) vomer and sphenoid bone. E) perpendicular plate of the ethmoid and the sphenoid bone.
Identify the correct match.
A) Systole = relaxation of heart chambers B) Diastole = contraction of heart chambers C) Cardiac output = the amount of blood ejected by the right ventricle in one minute D) Stroke volume = the amount of blood ejected by an atrium in a single beat E) SA node = tissue mass embedded in the posterior wall of the right atrium