Muscle tension is produced internally within the ____
a. myosin molecules
b. actin molecules
c. T tubules
d. sarcoplasmic reticulum
e. sarcomeres
e
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The connective tissue that covers muscles, glands, and nerves is
A) dense collagenous connective tissue. B) hyaline cartilage. C) fibrocartilage. D) elastic cartilage. E) loose or areolar connective tissue.
During development, the midgut artery appears to be markedly narrowed at its origin. Which of the following structures is derived from the midgut and may receive inadequate blood supply?
(A) Gallbladder (B) Stomach (C) Descending colon (D) Ascending colon (E) Rectum
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
What is the purpose of anatomical terms?
A) Anatomical terms are used because they provide continuity between organs of humans and animals. B) Anatomical terms are used because they provide a standardized frame of reference for describing the human body. C) Anatomical terms are used because they give hints about the function of the body part. D) Anatomical terms are used because all organs that perform the same function have the same anatomical term regardless of the organism. E) Anatomical terms are used because they are easier to spell and pronounce than the official standard terms.