ASU BIO201 EXAM3
PRACTICE STUDY GUIDE
COMPLETE
Question 1: Which muscle tissue is typically voluntary and attached to the skeleton?
Choices:
1) Skeletal muscle 2) Cardiac muscle 3) Single-unit smooth muscle 4) Multiunit smooth muscle
Correct Answer: Skeletal muscle
Explanation: Skeletal muscle is generally under voluntary somatic control and usually attaches to bones to produce body movement.Page 1
Question 2: Which muscle tissue contains branching cells joined by intercalated
discs?
Choices:
1) Skeletal muscle 2) Cardiac muscle 3) Visceral smooth muscle 4) Dense regular connective tissue
Correct Answer: Cardiac muscle
Explanation: Cardiac muscle cells are branched and connected by intercalated discs that support coordinated contraction.Question 3: Which muscle tissue lacks striations and is common in the walls of hollow organs?
Choices:
1) Cardiac muscle 2) Skeletal muscle 3) Smooth muscle 4) Elastic connective tissue
Correct Answer: Smooth muscle
Explanation: Smooth muscle is nonstriated and forms much of the muscular wall of hollow organs such as the intestine and bladder.Page 2
Question 4: The central energy-conversion role of muscle is to transform chemical energy in ATP primarily into what?
Choices:
1) Electrical insulation 2) Mechanical work 3) Stored glycogen only 4) Extracellular collagen
Correct Answer: Mechanical work
Explanation: Muscle converts chemical energy from ATP into mechanical force and movement, with heat produced as a by-product.
Question 5: Which is a major function of skeletal muscle besides producing
movement?
Choices:
1) Producing bile 2) Maintaining posture 3) Filtering plasma 4) Synthesizing thyroid hormone
Correct Answer: Maintaining posture
Explanation: Skeletal muscles help stabilize joints and maintain posture through sustained low- level contractions.Page 3