Which type of muscle is found in the wall of the digestive tract?
A. Smooth muscle
B. Skeletal muscle
C. Cardiac muscle
Answer: A
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You examine a patient in the emergency department following a bee sting to the bridge of her nose. Both of the patient's eyes are swollen shut because:
A) the sting interfered with the nerve that raises the eyelid. B) the sting blocked lymph drainage from the region. C) the face is characterized by very cutaneous veins that ruptured from the sting. D) the face is characterized by very cutaneous arteries that ruptured from the sting. E) the face is characterized by very loose subcutaneous connective tissue that allows accumulation of excessive fluid with inflammation.
Which of the following is true of the suprarenal cortex?
A) Each zone synthesizes different steroid hormones. B) If one zone is damaged, levels of the hormone it makes will decrease in the blood. C) It is yellow in color because of the presence of stored lipids. D) It consists of three different layers. E) All of the answers are correct.
Muscles that act on the __________ cause movement at the hip, knee, and foot joints.
A. upper limb B. trunk C. lower limb
What role do the tonsils play in the respiratory system?
A) Tonsils produce mucus which drains into the nasal cavities. B) Tonsils humidify and warm incoming air. C) Tonsils moisten the air entering the respiratory passageways. D) Tonsils protect the body from infection. E) Tonsils sweep contaminated mucus toward the throat.