When climbing stairs, which muscle or muscle group flexes your leg at the knee?
A) hamstring group B) quadriceps femoris group
C) iliopsoas D) tibialis anterior
Answer: A
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Match the following stages of sleep with their descriptions:
A) Stage 2 B) Stage 1 C) Stage 3 D) REM E) Stage 4 1) The stage when vital signs (blood pressure, heart rate, and body temperature) reach their lowest normal levels. 2) Indicated by movement of the eyes under the lids; dreaming occurs. 3) Theta and delta waves begin to appear. 4) Very easy to awaken; EEG shows alpha waves; may even deny being asleep. 5) Typified by sleep spindles. 6) Begins about 90 minutes after the onset of sleep. 7) Necessary for emotional health; may be neural "debugging."
The posterior patellar region refers to which part of the body?
A. Upper knee B. Back of the knee C. Front of the knee D. Knee
At any given moment, the systematic circulation contains about __________ percent of the total blood volume.
a. 10 b. 51 c. 71 d. 84
Thyroid hormones (TH) normally travel in the blood both free and bound to TH-binding proteins. What would you expect to see in the blood work of a patient who had a deficiency of TH-binding protein?
A. Normal free TH levels, and low bound TH levels. B. Low free TH levels, and low bound TH levels. C. Low free TH levels, and normal bound TH levels. D. Normal free TH levels, and normal bound TH levels.