A male inherits X-linked traits from ________.
A. one or the other of his parents
B. only his father
C. both his father and mother
D. only his mother
Answer: D
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The amount of air that enters or leaves the lungs during a normal respiratory cycle is the
A. tidal volume B. residual volume C. vital capacity D. total lung capacity
Twenty-five percent of the cardiac output goes to the kidneys because of their tremendous nutrient requirement for the active transport of Na+
Indicate whether the statement is true or false
A person works an office job that requires them to be in a sitting position for 10 hours a day. They go home and sit until they go to bed. This person never exercises and rarely gets up to move around after being seated. Their joints begin to constantly feel stiff and painful. On a physiological level, what has happened to cause these symptoms?
A. Disuse of the joint causes ossification of the fibrocartilage, creating arthritic joints. B. Lack of movement hinders blood from moving through the vessels of the synovial membrane, which starves the ligaments of nutrients and causes them to lose elasticity. C. Being stuck in the same position for long periods of time causes the ligaments to physically decay, stiffening the joints. D. Lack of movement drives the synovial membranes to stop producing synovial fluid, which then causes friction to generate upon movement of the joints.
Matching
A) A B) E C) C D) D E) B 1) Site of the dermal ridges that produce epidermal ridges on the epidermal surfaces of the fingers. 2) Responsible for shock absorption and located in the hypodermis. 3) Pulls the hair follicle into an upright position. 4) Sudoriferous gland. 5) Dense irregularly arranged, fibrous connective tissue. 6) Region that thickens markedly when one gains weight. 7) Where capillary loops are found.