A person is born with a genetic mutation that causes rhodopsin to be improperly produced, rendering it useless. Which structure(s) will specifically be affected?
A. Lens
B. Rods
C. Cones
D. Olfactory receptors
Answer: B
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The first event in inspiration is
A. lung inflation. B. atmospheric pressure forces air into the respiratory tract. C. the diaphragm moves downward and the external intercostal muscles contract. D. decreased intra-alveolar pressure.
A person learns of a hormone deficiency and is prescribed a replacement pill. Which of the following information should be included when explaining how this replacement works in the body?
A) Effects of the replacement will be instantaneous B) The replacement is released throughout the gastrointestinal tract C) The replacement will affect a single cell D) The target cells will receive a message to change cellular activity
Tendons and ligaments are composed primarily of
A) reticular connective tissue. B) muscle tissue. C) dense irregular tissue. D) dense regular connective tissue.
Cryoprotective dehydration allows cells to freeze without ice crystal buildup inside the cells
Indicate whether the statement is true or false